Ajouter

Lorem ipsum

Lorem ipsum

Comparisons

24 min read

Top 10 Best UX/UI Agencies in France in 2026

A good UX/UI agency does more than just make an interface look better. It must understand users, simplify their journeys, structure information, design screens, and test choices before or after launch. In our 2026 selection, Gemeos takes the top spot for projects that require connecting product design, UX/UI, visual identity, Webflow development, and performance. use.design stands out for B2B products and complex business software, while Yield Studio and Le Backyard have a very strong positioning for web and mobile products.

It is also important to distinguish between three subjects that are often confused. UX concerns the lived experience and the logic of the journey. UI concerns the interface, its components, and its visual hierarchy. Branding defines the brand's identity and codes. A single agency can cover all three, but the scope must be clear before comparing quotes.

article summary

  • Gemeos is our top choice for projects where UX/UI must remain consistent with brand identity, development, and conversion goals.
  • use.design is particularly well-suited for B2B software, SaaS, and complex business interfaces.
  • Welcome Max stands out when the priority is user research, testing, and journey analysis.
  • Yield Studio and Le Backyard are worth considering for web or mobile products that require both design and technical execution capabilities.
  • Wolfox has a unique positioning focused on accessibility and eco-design for interfaces.
  • Public budgets are too varied to provide a reliable average price: verified offers start at €3,000 excl. tax at Le Backyard and €5,400 excl. tax for a UX/AI audit at use.design, while a full redesign is generally quoted on a case-by-case basis.

Want to take it further? Ask:

Which is the best UX/UI agency in France in 2026?

Gemeos takes the top spot in this ranking for companies that want to avoid decoupling UX/UI thinking from identity, integration, and site or product performance. The agency covers auditing and research, UX strategy, user journeys, UI concepts, high-fidelity mockups, and design systems, and can extend its work through to development and optimization.

This choice is not universal. For highly dense business software, use.design may be more specialized. For a mission primarily focused on international user studies, Welcome Max has a more targeted positioning. For an application or platform requiring a large product and development team, Yield Studio or Le Backyard may be better suited.

Comparison of the 10 best UX/UI agencies

The table below summarizes the most useful differences for creating an initial shortlist. Budgets correspond only to information made public by the agencies where available. Google reviews were verified on August 13, 2026, on identifiable Google Business Profile listings; where no listing could be unambiguously linked to the agency, we indicate "Not identified."

Rang Agence Idéale pour Spécialités Budget public Avis Google
1 Gemeos Sites, SaaS et produits digitaux intégrés Product design, UX/UI, Webflow, CRO À partir de 1 500 € 4,8/5 (18 avis)
2 use.design SaaS B2B et logiciels métiers Product Design, UX/UI, AI Design Dès 5 400 € HT (audit) 5,0/5 (2 avis)
3 Yield Studio Applications et logiciels complexes UX Research, UX/UI, Product, Dev Sur devis 4,6/5 (10 avis)
4 Le Backyard Produits web et mobile de bout en bout UX Research, UX/UI, Dev Dès 3 000 € HT (UX) 4,2/5 (31 avis)
5 Feel and Clic Sites, intranets et plateformes UX/UI, stratégie, développement Sur devis 5,0/5 (1 avis)
6 Welcome Max Recherche et tests utilisateurs UX Research, tests, service design Non communiqué Non identifié
7 User Studio Services numériques complexes Service design, UX/UI, prototypage Non communiqué 4,5/5 (2 avis)
8 Alasta Brand + produit pour startups Branding, Product, UX/UI Non communiqué Non identifié
9 Audacy Transformation digitale et ateliers Design thinking, UX/UI, conseil Non communiqué 4,8/5 (23 avis)
10 Wolfox Accessibilité et design responsable UX/UI, accessibilité, éco-conception Non communiqué 4,8/5 (16 avis)

Which UX/UI agency should you choose based on your situation?

A highly-ranked agency may be less relevant than a more specialized player for your specific case. This guide helps you start from your actual needs rather than brand reputation.

Votre situation Profil à privilégier Agences à regarder
Site marketing, landing page ou refonte web UX/UI + exécution web Gemeos, Feel and Clic
SaaS B2B ou logiciel métier Product Design B2B spécialisé use.design, Yield Studio
Application ou plateforme complexe Design + delivery technique Yield Studio, Le Backyard
E-commerce ou parcours B2C à tester UX Research et tests consommateurs Welcome Max, Le Backyard
Identité de marque et produit à repenser ensemble Branding + Product Design Alasta, Gemeos
Service public, mobilité ou parcours multi-acteurs Service design et conduite du changement User Studio, Audacy
Accessibilité, éco-conception, conformité Accessibilité et design responsable Wolfox

Our ranking of the 10 best UX/UI agencies

1. Gemeos

Gemeos is a design and development agency that works on websites, platforms, and digital products. Its product design method covers scoping, auditing and research, journey definition, information architecture, UI Kits, high-fidelity mockups, and the delivery of a design system usable by technical teams.

The advantage of the Gemeos model is the continuity between design and execution. During creation or redesign, UX/UI decisions can be extended into Webflow, tracking, CRO, SEO, or post-launch iterations. This continuity is particularly useful when the goal is not just to produce a Figma file, but to launch a consistent and measurable experience. The AssessFirst project illustrates this approach, with art direction, UX/UI, product design, multi-locale development, and SEO all handled within a single engagement.

Why this ranking: Gemeos takes the top spot for its ability to bridge product strategy, UX/UI, visual identity, and web execution within a single team. This positioning is particularly well-suited for companies looking to minimize the gap between recommendations, mockups, and the final live version.

Ideal for: startups, scale-ups, SaaS companies, and B2B businesses building or redesigning a website or digital product that want to unify design, development, and performance.

Strengths:

  • Methodology covering audits, research, user journeys, UI, and design systems.
  • Seamless continuity between UX/UI, product design, Webflow, and post-launch optimization.
  • Diverse public portfolio featuring projects in SaaS, HR, Web3, finance, and services.
  • Ability to integrate branding, interface design, and conversion strategy into a single project.
  • Delivery of components and specifications that are ready for technical teams to implement.

Things to consider: for projects centered on massive, multi-country user research programs involving panels, labs, and lengthy study protocols, a pure-play UX research firm like Welcome Max may offer more specialized expertise. It is worth verifying the actual scope of field research required for your project.

Editorial rating:

User-centric methodology: ★★★★☆ · UX/UI expertise: ★★★★★ · Testing & iteration: ★★★★☆ · Execution capability: ★★★★★ · Methodological transparency: ★★★★★

2. use.design

use.design is a Paris-based agency specializing in Product Design, UX/UI, and AI Design, with a clear focus on professional software, B2B SaaS products, industrial interfaces, and complex business environments. The team highlights senior-level talent and a hands-on approach rooted in user research, co-creation, prototyping, and iteration.

Their B2B specialization is a true differentiator. The agency tackles challenges where users primarily need to save time, avoid errors, and navigate complex workflows. They also offer structured service packages, including a UX/AI audit starting at €5,400 (excl. tax) and a UX/AI Quick Wins format starting at €10,800 (excl. tax).

Why this ranking: use.design ranks second due to the depth of its expertise in complex professional products and the maturity of its user-centric methodology. Its scope is more specialized than Gemeos, making it exceptionally strong for business software, though perhaps less of a natural fit for a full-scale marketing website project involving branding, acquisition, and Webflow development.

Best for: B2B SaaS publishers, industrial companies, data-heavy products, and teams looking to improve adoption of complex professional interfaces.

Strengths:

  • Strong specialization in B2B interfaces and professional software.
  • Senior team with extensive experience in Product, UX, and UI.
  • Field research, testing, and iteration integrated into the methodology.
  • Structured public offerings for UX/AI audits and quick wins.
  • Strong alignment between user needs, business constraints, and commercial goals.

Things to consider: The positioning is intentionally focused on professional products and AI. For brand websites, consumer e-commerce, or highly editorial redesigns, other agencies in this ranking may offer a more suitable scope.

Editorial rating:

User-centered method: ★★★★★ · UX/UI expertise: ★★★★★ · Testing & iteration: ★★★★★ · Execution capacity: ★★★★☆ · Methodological transparency: ★★★★★

3. Yield Studio

Yield Studio positions itself as a product agency capable of designing and developing web, mobile, and business applications. Its current UX/UI offering covers immersion, auditing, user research, testing, personas, user journeys, prototyping, high-fidelity mockups, and design systems.

The agency publishes several detailed case studies and emphasizes a "results-oriented UX" approach. It also possesses frontend development and product delivery skills, which facilitates the transition from prototype to production on technical projects.

Why this ranking: Yield Studio ranks third for its combination of UX research, product design, and technical delivery. Its execution capacity is strong, but its positioning is more that of a product and tech partner than an agency focused on brand and marketing site challenges.

Best for: SMEs, mid-market companies, and product teams that need to create or redesign an application, business software, or complex platform.

Key strengths:

  • UX methodology structured around discovery, testing, and prototyping.
  • Ability to extend design into frontend development.
  • Design systems and accessibility integrated into core expertise.
  • Public case studies with results and metrics.
  • Experience with web, mobile, data, and enterprise software products.

Points to consider: Yield Studio publishes its own ranking of the best UX/UI agencies, in which it places itself first. While this self-assessment does not call its expertise into question, it should not be used as independent proof of its superiority.

Editorial rating:

User-centered methodology: ★★★★★ · UX/UI expertise: ★★★★★ · Testing & iteration: ★★★★★ · Execution capability: ★★★★★ · Methodological transparency: ★★★★☆

4. Le Backyard

Le Backyard is a digital product agency that combines consulting, user research, UX/UI design, and web and mobile development. Its method is based on interviews, user testing, co-design, wireframing, and interface validation in real-world conditions.

The agency covers a wide range of formats: showcase sites, e-commerce, mobile apps, web software, platforms, and business tools. They publicly list UX services starting at €3,000 (excl. tax), which provides at least a benchmark for targeted projects.

Why this ranking: Le Backyard takes fourth place for the strength of its research + design + development approach and the diversity of products handled. Its positioning is particularly well-suited for complex digital projects that require end-to-end management.

Ideal for: companies looking to design or redesign a platform, application, or digital service that requires both user research and development.

Key strengths:

  • Interviews and user testing integrated into the design process.
  • UX/UI, web, and mobile development all under one roof.
  • Documented co-design and design thinking methodology.
  • UX service offering with public pricing entry point.
  • Experience with websites, e-commerce, software, and applications.

Things to watch out for: The service offering is broad. For highly specialized projects, you should verify how much of the budget and team will actually be dedicated to UX Research, Product Design, or development, depending on your priorities.

Editorial rating:

User-centered methodology: ★★★★★ · UX/UI expertise: ★★★★★ · Testing & iteration: ★★★★★ · Execution capability: ★★★★★ · Methodological transparency: ★★★★☆

5. Feel and Clic

Feel and Clic is a Paris-based digital agency that combines strategy, UX/UI design, and custom development. Their portfolio includes digital environments, intranets, websites, and platforms for organizations such as the Sorbonne and the Louvre Museum.

Their value lies in the combination of interface design and technical implementation. The agency is a strong choice when a redesign needs to account for CMS constraints, intranets, integration with business tools, or existing digital ecosystems.

Why this ranking: Feel and Clic ranks fifth for its balance between UX/UI and development, and for its ability to work on complex digital environments. However, their public communication provides less detail on research and measurement protocols compared to the higher-ranked UX pure players.

Ideal for: SMEs, institutions, and companies redesigning a website, intranet, or platform that requires both design and custom development.

Strengths:

  • UX/UI design combined with custom web development.
  • Experience with institutional platforms and complex environments.
  • Ability to work across multiple technologies and CMS platforms.
  • Emphasis on a co-design approach.

Things to watch out for: request the user research protocol, the number of planned tests, and the metrics that will be used to guide UX decisions during the scoping phase, as these details are less transparent publicly.

Editorial assessment:

User-centric approach: ★★★★☆ · UX/UI expertise: ★★★★★ · Testing & iteration: ★★★★☆ · Execution capability: ★★★★★ · Methodological transparency: ★★★★☆

6. Welcome Max

Welcome Max is an independent UX/CX consulting agency that stands out for its strong focus on user research, auditing, service design, and testing. The team works on both B2C and B2B journeys, utilizing qualitative and quantitative methods, prototyping, and studies that can be deployed internationally.

Its public portfolio features clients such as eBay, Carrefour, Monoprix, Royal Canin, Orange, and Accor. Their workflow is based on a test-and-learn approach and the integration of users at every stage of the design process.

Why this ranking: Welcome Max ranks sixth in a generalist list because its positioning is more focused on research and consulting than on end-to-end interface production. However, it moves to the top of the shortlist when the primary goal is to understand user behavior, test a journey, or validate a product decision before development.

Ideal for: companies that need UX research, audits, user testing, service design, or multi-market studies.

Strengths:

  • Clear specialization in UX research and user testing.
  • Qualitative and quantitative methods, including international capabilities.
  • Experience with large-scale e-commerce and service journeys.
  • Prototyping and test-and-learn integrated into all projects.
  • Well-suited for both B2B and B2C challenges.

Things to watch for: verify the scope of UI design and final production if you are looking for a partner capable of handling full product development. The agency is primarily positioned for research, consulting, and design.

Editorial assessment:

User-centric methodology: ★★★★★ · UX/UI expertise: ★★★★☆ · Testing & iteration: ★★★★★ · Execution capability: ★★★☆☆ · Methodological transparency: ★★★★★

7. User Studio

User Studio is a Paris-based service and interface design studio established in 2009. The agency works on mobile applications, digital services, business tools, and service experiences, with a strong culture of user research, prototyping, and testing.

Their portfolio covers sectors such as mobility, energy, healthcare, public services, and professional tools, with clients including RATP, EDF, MAIF, and Withings. This specialization in complex use cases is particularly valuable for organizations where the interface is part of a broader service ecosystem.

Why this ranking: User Studio holds the seventh spot due to the depth of its service design and UX approach, which is especially relevant for complex or multi-platform journeys. Their positioning is less focused on web marketing execution or integrated technical delivery compared to the top-ranked agencies.

Ideal for: public services, mobility, energy, and healthcare providers, and companies looking to rethink a digital service beyond just the interface.

Strengths:

  • Experience in service design since 2009.
  • User research, prototyping, and UX/UI combined.
  • Proven track record with highly complex services.
  • Ability to work on web, mobile, and embedded interfaces.
  • Approach tailored to organizations and multi-stakeholder journeys.

Things to consider: if your needs include full-stack web development, a strong focus on acquisition, or rapid marketing deployment, be sure to verify their technical partners and the scope of deliverables following the design phase.

Editorial rating:

User-centric methodology: ★★★★★ · UX/UI expertise: ★★★★★ · Testing & iteration: ★★★★★ · Execution capability: ★★★☆☆ · Methodological transparency: ★★★★☆

8. Alasta

Alasta is a Parisian creative studio working at the intersection of brand identity and product design. Its UX/UI offering covers product discovery, user journeys, UX design, user testing, UI, and design systems.

Its portfolio includes collaborations with Swan, Coinhouse, Phenix, Memo Bank, and L’Atelier des Chefs. The agency is therefore particularly well-suited for projects that require evolving both the brand and the digital experience in parallel.

Why this ranking: Alasta takes eighth place for its ability to combine branding and UX/UI within a compact studio. This positioning is relevant for startups and scale-ups seeking strong consistency between identity and product, though the agency publishes less information regarding large-scale research or delivery programs.

Ideal for: startups, fintechs, and SaaS companies looking to develop their brand identity and interfaces simultaneously.

Strengths:

  • Natural connection between branding, product design, and UX/UI.
  • Product discovery and user journeys integrated into the offering.
  • User testing and design systems included in their services.
  • Proven portfolio in the fintech and SaaS sectors.

Consideration: for very large-scale UX programs or organizations requiring multiple parallel teams, verify available capacity and staffing models before committing.

Editorial rating:

User-centric method: ★★★★☆ · UX/UI expertise: ★★★★★ · Testing & iteration: ★★★★☆ · Execution capacity: ★★★★☆ · Methodological transparency: ★★★★☆

9. Audacy

Audacy is a digital consulting firm founded in 2003. Its offering goes beyond UX/UI, combining digital strategy, design thinking, lean startup, UX research, UX design, UI design, branding, and digital project support.

The agency emphasizes a collaborative approach based on workshops, personas, prototypes, and user testing. It has a track record in healthcare, finance, the public sector, and large corporations.

Why this ranking: Audacy is ranked ninth because UX/UI is an important area of expertise, but one that is integrated into a broader digital consulting spectrum. It becomes particularly relevant when a project requires as much organizational alignment and facilitation as it does interface production.

Ideal for: companies and institutions that need scoping, design thinking, workshop facilitation, and UX/UI as part of a wider digital transformation.

Strengths:

  • Extensive experience in digital consulting.
  • Design thinking, lean startup, and collaborative workshops.
  • UX research, UX, and UI integrated into their core expertise.
  • Ability to bridge design, strategy, and organization.

Things to watch out for: verify the exact composition of the UX/UI team and the planned scope of design production, as Audacy also positions itself across many other consulting and digital marketing areas.

Editorial rating:

User-centric method: ★★★★☆ · UX/UI expertise: ★★★★☆ · Testing & iteration: ★★★★☆ · Execution capability: ★★★★☆ · Methodological transparency: ★★★★☆

10. Wolfox

Wolfox is a Parisian UX/UI agency that adds two dimensions rarely found in standard comparisons: accessibility and eco-design. Their offering covers UX research, UX design, UI design, design sprints, website and application creation, as well as consulting for accessible interfaces.

The agency emphasizes a design thinking approach and a team capable of intervening in sprints or through longer-term support. This positioning is particularly relevant for organizations that must integrate RGAA compliance, inclusion, or digital sustainability requirements from the design phase.

Why this ranking: Wolfox rounds out the Top 10, not due to a lack of specialization, but because its advantage is more targeted. For projects where accessibility or eco-design are key structural criteria, they could easily move much higher up the shortlist.

Ideal for: public, cultural, and edtech organizations, or companies looking to integrate accessibility, sustainable design, and UX/UI into a single project.

Strengths:

  • Clear positioning in UX/UI, accessibility, and eco-design.
  • UX research and design thinking integrated into the process.
  • Design sprints and clear, structured engagement formats.
  • Ability to handle websites, applications, and complex interfaces.

Things to consider: for highly complex B2B SaaS products or international research projects, compare the team's depth and similar case studies with specialists like use.design or Welcome Max.

Editorial rating:

User-centered method: ★★★★☆ · UX/UI expertise: ★★★★☆ · Testing & iteration: ★★★★☆ · Execution capacity: ★★★★☆ · Methodological transparency: ★★★★☆

What is a UX/UI agency?

A UX/UI agency designs or improves a user's experience with a digital product and how that experience takes shape on screen. They can get involved before design through research and audits, during the design phase through user journeys, wireframes, and prototypes, and after launch through testing, behavioral analysis, and iteration.

Depending on the agency, the scope may include product design, service design, branding, development, or conversion optimization. This is why two quotes both labeled "UX/UI redesign" can cover very different realities.

What is the difference between UX design and UI design?

UX design primarily addresses usage questions: who is using the product, to accomplish what, in what order, with what pain points, and what information? It involves user research, information architecture, user journeys, wireframes, and testing.

UI design then translates this logic into a coherent visual interface: typography, colors, components, spacing, states, interactions, and design systems. A highly polished UI cannot compensate for a poor user journey; conversely, excellent architecture may lack credibility if the interface is confusing or inconsistent.

What is the difference between UX/UI and branding?

Branding defines a brand's identity: positioning, personality, visual territory, tone, and codes. UX/UI applies and adapts this identity to a digital experience while respecting usage constraints. Branding answers "who are we?", UX answers "how does the user achieve their goal?", and UI answers "how does the interface make this journey clear and recognizable?".

If the identity is still unclear, it may be more effective to define the branding before developing a detailed design system. Conversely, a brand with a solid foundation can move directly into a product design or UX/UI redesign project.

How did we select these agencies?

This ranking is editorial. While Gemeos holds the top spot, we have applied the same analytical framework to all ten agencies. We prioritized factors that are observable and useful to a buyer.

User-centered methodology

We looked at whether the agency actually documents its research, interviews, testing, journey mapping, and iterations. A page that only talks about creativity or aesthetics does not provide the same proof as a process describing how decisions are validated against real-world usage.

Specialization by product type

E-commerce sites, enterprise software, mobile apps, and marketing websites present different challenges. We therefore favored agencies that clearly demonstrate the types of products they excel at, rather than those claiming to be a one-size-fits-all solution.

Portfolio and verifiable references

References are primarily used to verify the nature of the work performed. A series of client logos is not enough. The most useful case studies show the context, design choices, screens or deliverables, and, whenever possible, results or key takeaways.

Testing and impact measurement

An UX/UI agency can measure comprehension, task success, error rates, feature adoption, conversion, or satisfaction. They cannot guarantee that a new design will automatically improve every KPI. We therefore favor teams that describe a testing protocol rather than those making universal promises.

Google reviews and transparency

Google reviews are not enough to measure UX quality, but they provide a complementary signal regarding client relations. We only used Google Business Profile listings that were identifiable at the time of verification and marked them as "Not identified" when a reliable match could not be made.

How much does an UX/UI agency cost in 2026?

There is no average rate precise enough to compare a simple interface review to a full SaaS redesign. Current public data primarily highlights the wide range of project scopes. Le Backyard offers UX services starting at €3,000 excl. tax. use.design publishes an UX/AI audit starting at €5,400 excl. tax and a "Quick Wins" format starting at €10,800 excl. tax. In the Paris market, UX Agencies observed a typical hourly range of €120 to €140 among listed agencies in July 2026.

These figures are benchmarks, not a fixed price list. A serious budget must account for research, workshops, the number of screens, the design system, the number of tests, iterations, prototyping, and development support.

Price of an UX audit

A targeted audit can start at a few thousand euros when the scope is limited. Verified public offers from our selection provide entry points at €3,000 excl. tax at Le Backyard for UX and €5,400 excl. tax at use.design for their UX/AI audit. Comparisons should verify the number of journeys analyzed, the inclusion of user data, benchmarking, testing, and the level of reporting provided.

Price of an UX/UI redesign

A full redesign is generally quoted on a project basis because the cost depends on the number of journeys, screens, user profiles, and components. The more roles, permissions, business rules, and complex states a product has, the more research and design work is required.

Price for a SaaS product or complex application

For a SaaS product, the budget should not be evaluated solely by the number of screens. A team may need to conduct discovery, interview multiple profiles, map workflows, create a design system, prototype edge cases, and then support delivery with developers. Projects lasting several weeks or months often run into the tens of thousands of euros, depending on staffing and the expected level of involvement.

What is the daily rate for a freelance UX designer?

The Malt barometer, consulted in August 2026, shows an average daily rate of €506 for experienced UX designers active on the platform, and €536 in Paris. This benchmark applies to freelancers, not agencies. An agency charges for a team, project management, research, and sometimes art direction and additional expertise; comparing their quote directly to a single freelance daily rate would therefore be misleading.

How do you choose the best UX/UI agency for your project?

  • Start by defining the problem to be solved before asking for mockups.
  • Ask which users will actually be interviewed or tested.
  • Check for case studies similar to your product type, not just your industry.
  • Get the deliverables specified: research, user journeys, wireframes, prototypes, UI kits, design systems, and specifications.
  • Ask who makes up the team and who will actually be carrying out the work.
  • Verify the number of feedback cycles and the decision-making process.
  • Define the metrics to track before the redesign begins.
  • Clarify who is responsible for the handoff to development and final QA.

A good selection interview should help you understand how the agency makes its decisions. If the answer is simply "we follow UX best practices," ask for examples of trade-offs where an initial hypothesis was invalidated by testing or data.

UX/UI agency or freelance designer: which should you choose?

An agency is better suited when the project requires multiple areas of expertise, several stakeholders, a large number of screens, or a structured research phase. A freelancer is often more effective for temporarily strengthening a product team, conducting a targeted audit, or handling a clearly defined scope.

Critère Agence UX/UI Freelance
Équipe Plusieurs profils : UX, UI, research, PM Une personne, compétences plus ciblées
Pilotage Inclus dans le projet À organiser côté client
Capacité Adaptée aux projets multi-parcours et multi-expertises Adaptée aux périmètres ciblés ou au renfort d’équipe
Coût Honoraires d’équipe, généralement sur devis TJM moyen UX expérimenté Malt : 506 €/jour
Continuité Peut couvrir research, design, QA et parfois développement Dépend du périmètre et des autres prestataires

Conclusion

The best UX/UI agency depends first and foremost on the product and the level of research required. Gemeos is our top choice for an integrated digital project where consistency between design, brand, development, and performance matters as much as the quality of the mockups. use.design is particularly strong with complex B2B interfaces, Welcome Max with research, Yield Studio and Le Backyard with products requiring high delivery capacity, and Wolfox with accessibility challenges.

Before signing, compare methods, the teams actually involved, intermediate deliverables, and testing protocols rather than just "pretty" portfolios. This is how you determine if the agency will truly improve the product's usability rather than just its appearance.

FAQ

What is the best UX/UI agency in France?

Gemeos is our top choice for projects that need to combine UX/UI, product design, branding, development, and optimization. use.design specializes in complex B2B software, Welcome Max in UX Research, and Yield Studio or Le Backyard in products requiring both design and development.

What is the difference between UX and UI?

UX focuses on the experience, user needs, user journeys, and ease of use. UI focuses on the visual interface: components, typography, colors, hierarchy, and interactions. Both are complementary but involve different types of work.

How much does a UX/UI redesign cost?

The price depends on the number of user journeys, screens, user profiles, tests, and the level of design system required. Publicly listed offers in our selection start at a few thousand euros for targeted projects, but a full redesign or a complex SaaS platform is generally quoted on a case-by-case basis.

What is the difference between a UX/UI agency and a branding agency?

A branding agency defines a brand's identity and visual codes. A UX/UI agency designs the experience and interface of a digital product. Some teams cover both disciplines, which can be useful if the identity and the experience need to evolve simultaneously.

Can a UX/UI agency improve conversion rates?

Yes, they can identify friction points, clarify user journeys, test variations, and better prioritize information. However, they cannot guarantee a specific percentage increase on their own: the offer, traffic, pricing, brand, and other factors also influence conversion.

Do I need a UX/UI agency for a simple brochure website?

Not always. If the site has few pages, an obvious user journey, and no complex user issues, a good web designer or freelancer may be enough. An agency becomes more relevant when the redesign involves research, strategy, multiple target audiences, conversion goals, a design system, or coordination with development.

Published on 19.08.2026

Mis à jour le 20.08.2026

Alexandre Baverel, Head of Sales at Gemeos. With nearly 8 years of experience in SEO and business development, he helps companies with visibility, acquisition, and conversion.

You might be interested in these articles

Related articles

Comparisons

22 min read

Top 10 best netlinking platforms in 2026

Updated on 19.08.2026 by Alexandre Baverel

Comparisons

20 min read

Top 10 best branding agencies in France in 2026

Updated on 19.08.2026 by Alexandre Baverel

Comparisons

23 min read

Top 10 Best AI Overview Agencies in France in 2026

Updated on 19.08.2026 by Alexandre Baverel

Let’s f*****G GO !!

Ready to launch
Your business?

Alexandre

Max

Enora

Bryan

Cannelle

Tiphaine

You'll :heart: our collaboration...