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You're going to love your site, guaranteed
The Design & Tech Web agency powering your growth.
Because your website deserves to be as strong as your vision.A human team, a clear process, tangible results.
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Mathieu M
CMO
Professional, responsive, and committed to their clients' success, Gemeos is the first agency I recommend without hesitation.
our web agency's areas of expertise
Turn your
vision into
reality
Build a strong, memorable brand identity that reflects your positioning and builds trust at every touchpoint.
Interfaces designed to convert — clear, consistent, and aligned with your users’ expectations.
A fast, scalable site that’s easy to evolve — thanks to a clean, high-performance Website build.
Boost your visibility on Google and AI search engines to attract qualified, long-term traffic.
A hands-on team by your side, here for the long haul — helping your site evolve with your business goals.
client portal
A dedicated client portal to track your performance
Track your project progress and website performance in real time.
Manage your collaboration with full transparency. Access your team, priority actions, useful links, and overall project progress from a single interface. You always know where your project stands and what comes next.
Keep a clear view of your project at all times. Track ongoing tasks, upcoming steps, and actions requiring your approval. No more searching through emails or Slack: everything is centralized in one place.
View your usage statistics: hours per month and ticket breakdown by department (design, dev, SEO, project management). You maintain a clear view of how your budget is being spent.
View your usage statistics: hours per month and ticket breakdown by department (design, dev, SEO, project management). Keep a clear overview of how your budget is being spent.
View your usage statistics: hours per month and ticket breakdown by department (design, dev, SEO, project management). Keep a clear overview of how your budget is being spent.
A web agency tailored to your needs
Digital strategies
adapted to your business challenges
Clarify your value proposition, showcase your key features, and build a seamless journey to a demo request, free trial, or subscription.
Build trust from the very first seconds with clear information, reassuring navigation, and an accessible presentation of financial services that can sometimes be hard to understand.
Help visitors picture themselves there with well-presented properties, useful local information, and forms tailored to every stage of the real estate journey.
Make medical topics easier to understand without losing precision. Well-structured content reassures patients, guides professionals, and showcases the expertise of healthcare providers.
Showcase your product ranges, certifications, and applications without drowning buyers in technical detail. A clear structure connects catalogs, documentation, and quote requests to support industrial sales cycles.
Create a buying journey that helps people find, compare, and choose without diluting your brand world. Catalog, content, reassurance, and checkout work together to remove friction and lift conversion.
Reach candidates, employees, and companies with tailored journeys that showcase your offers, your expertise, and your employer brand.
Build journeys tailored to every stage of the learning experience. Guidance, educational content, enrollment, and resources work together to support learners, families, teachers, and partners.
Build anticipation before the event opens with a striking visual identity, an easy-to-browse program, and instant access to ticketing.
Most agencies make a great first impression and sell you the dream in those early conversations, but that illusion fades fast once the contract is signed. With Gemeos, it’s different. Gemeos are professional and genuinely committed to doing things right and fast. I really recommend them. And this is the first time I’ve ever recommended an agency.
Quentin Mayet
VP Marketing @Paradox
We worked with Gemeos in the summer of 2024 to redesign Modjo’s marketing site and better reflect the brand’s new positioning. The collaboration was incredibly efficient, the agency was highly responsive and adapted to every unexpected challenge. With limited resources on our side, right in the middle of summer, we launched the new site in just six weeks. Site visit engagement increased by 58%!
Thomas Beylot
VP Product @Modjo
“Gemeos are the perfect experts to take over your website from A to Z. Beyond being highly skilled, they were proactive and came up with great ideas throughout the project, a real plus! Thanks for this fantastic Openeat website redesign ;)”
Martin Catineau
Head of Market @Openeat
Really great working with you — you get up to speed really fast, and the process is frictionless 🔥
Kévin Moënne-Loccoz
VP of Product & Design @Lemlist
Sandro and his team are incredibly efficient and really attentive. They have a great grasp of their clients’ SEO challenges and always come up with the right solutions. Highly recommend
Jules Ratier
CEO @Koncile
Gemeos delivered a showcase website that met our standards, while still working within a pretty tight timeline. Their process was efficient, and they were available, attentive, and very responsive throughout the project. They’re a highly complementary and very capable duo. Highly recommend!
Thibaud Bertrand
Head of Marketing @Side
“Great Webflow agency. Available, attentive, and responsive. We brought them in to redesign our Nuant.com website, providing the Figma mockups. We’re very happy with the result, and their Webflow expertise is a real asset.”
Leo Carli
Product Marketing Manager @Nuant
We worked with Gemeos for several months on the redesign of our site and the launch of our new Taalent.ai offering in the U.S. market. The team was able to combine strategic vision, high-quality execution, and great responsiveness throughout the project. An effective collaboration that I’d recommend without hesitation.
Alexandre Duffaut
CEO @Noota
Efficiency, structure, and performance. Gemeos managed to translate Avnear’s identity into a website that exceeded our expectations. Client feedback has been unanimous. The team showed remarkable agility in adapting to our requests and our high standards. A trusted partner we’d recommend without hesitation. Our site is a masterclass in building trust.
Charley Arod
Founding Partner. Asset & Risk Management @Avnear
Gemeos worked on the Webflow integration as part of our website redesign, with the goal of giving our Growth team back control over landing page creation and improving web performance and SEO. I highly recommend Sandro for his availability, responsiveness, teaching approach, and, above all, his understanding of our business needs.
Florian Corteel
SEO Manager @Finary
Thanks to the whole team, always going the extra mile to push the boundaries!
Florent Darrault
CMO @Cureety
We entrusted Gemeos with a full website redesign and migration, and everything went incredibly smoothly. What stood out most to us was the quality of the art direction: a truly premium, cohesive visual direction, with a clear visual identity and highly polished choices throughout — typography, colors, iconography, pacing, hierarchy, and more. You can tell they have great taste, and above all, a real eye for detail on every screen. On top of that, the team is incredibly responsive and very experienced: they know both design and the technical side inside out. I’d recommend them without hesitation.
David BERNARD
CEO & Founder @AssessFirst
Sacha & Sandro worked on the redesign and migration of our website with a few clear goals: create a unique, differentiated visual identity, clarify our message and value proposition, smooth out the customer journey, and ultimately generate more business opportunities. We’re very happy with the result, and the numbers speak for themselves. Sacha & Sandro are skilled, committed, conscientious, passionate, and they see things through to the end. I highly recommend them!
Idir AIT SI AMER
CEO @Tracktor
resources
Our insights on design,
tech, and growth,
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22 min read
Updated on 12.10.2026
16 min read
Updated on 12.10.2026
WhattheFAQ
What is Gemeos?
Gemeos means "twins" in Portuguese. Founded in 2021 by Sandro and Sacha, twin brothers with complementary skills: strategy and growth on one side, design on the other.
Gemeos is a Design & Tech agency, specializing in Webflow website creation, SEO, conversion optimization, and growth strategy for ambitious companies.
The team now has 15 people covering the full stack: design, development, SEO, copywriting, and project management. One point of contact, all skills in-house.
How is Gemeos different from other digital agencies?
Most agencies do either design, SEO, or dev. Gemeos covers all three in-house, with a performance mindset at every stage. We don’t just ship a site and disappear — we measure what converts, test, and iterate.
What types of companies do you work with?
We primarily work with B2B startups and scale-ups in growth mode, across France and the US. Our clients have typically moved past the MVP stage and want to level up their digital presence to accelerate acquisition.
We’ve worked with companies like Tracktor, Homunity, AssessFirst, Modjo, and Finary. If you’re a startup or scale-up with digital growth challenges, we’ve likely tackled a case similar to yours.
What services does Gemeos offer?
Gemeos covers the full digital growth stack: from website creation and conversion optimization to SEO, branding, and custom-built tools.
Do you offer standalone projects or only ongoing engagements?
Both. We work on one-shot projects (site creation, redesign, SEO audit, landing page) as well as monthly retainers for clients who want a long-term growth partner.
Most of our clients start with a one-shot project and move to a retainer once the foundations are in place. That’s the model that consistently produces the best long-term results.
Do you work with clients outside France?
Yes. Gemeos is based in Dubai and works with clients in France, the US, and across Europe. Our setup is 100% remote — all projects are managed via Slack and Figma with no loss of quality or responsiveness.
We work in French for French-speaking clients, and in English for US and international projects. Several of our deliverables are produced bilingually in French and English.
How does a project with Gemeos work?
A project with Gemeos always follows the same five-step process, from discovery to launch.
A project manager coordinates every step and ensures that milestones are met on both sides. You will have a dedicated client portal to track progress in real time, along with a Slack channel for daily communication.
How long does it take to see results?
It depends on the type of service. A delivered website immediately boosts credibility and direct conversions upon launch. SEO takes 3 to 6 months to show measurable results. CRO and A/B testing provide insights within 4 to 8 weeks after the first tests are launched.
Do you have experience in my industry?
We have worked across a variety of sectors: B2B SaaS, Finance and Fintech, Real Estate, HR and recruitment, Industry, and professional services. Finance and Fintech now represent a growing share of our business, with clients such as Homunity and Finary.
If you would like to know if we have specific experience in your sector, the easiest way is to discuss it with us directly during a discovery call or by visiting our "Work" page
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