Top Web App Development Agencies in Nantes

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Top Featured Web App Development Agencies

40/60 agence UX Design, IA et Développement
4.9
(32 reviews)
Designing impact, developing performance
Full-service Product Agency based in Paris, Nantes, and Lyon , 40/60 Studio designs, creates, and develops digital products that your users will adopt long-term. Our conviction: a good experience is not based on intuition, but on a fine understanding of usage. We combine user insight, design, and technology to create useful, actionable, and measurable solutions. Why choose us? UX & Insight Driven : We start from real usage to design fair, desirable, and effective products. Impact & Performance : Every design decision and every development is conceived to generate concrete results: conversion, engagement, efficiency. Full-Stack Product Expertise : From user research to development (Design System, apps, SaaS), we cover the entire value chain. Key Figures & Experience: +200 projects launched since 2016 for growing startups and large corporations. Excellent customer satisfaction : Average rating of 4.97/5. Team of experts : More than 30 talents (designers, strategists, tech experts) dedicated to your success. Our areas of intervention: We support local and international organizations on complex issues, at the crossroads of business, user experience, and technology: Media, Mobility, Health, B2B SaaS, Retail, Industry, Impact. More information on our website. They trust us: Decathlon | Stellantis | SNCF | Renault | TF1+ | Arte | Eiffage | Institut Pasteur | Heineken | France Télévision | Simplon | Visiativ.
27 works in Web Application
Located in Nantes, France (+1)
From €20,000 for Web Application
Worked in Software & Computer Services (+31)
Speaks French, English(+1)
11-50 members
AquilApp - Agrée CII
5
(4 reviews)
Custom web & mobile applications — 100% senior, AI-accelerated development // CII accredited
Recommended
🚀 AquilApp — Digital products built to last, delivered faster. Based in Nantes and founded in 2017, AquilApp designs and develops custom web and mobile applications for startups, SMEs, and large companies that want to move fast – without ever sacrificing quality. Our difference: a 100% senior team, augmented by AI. Our developers rely on the best AI tools (Cursor, Claude) to accelerate every stage: prototyping, code, testing, documentation. Concrete results for you: shorter deadlines, controlled budgets, and clean code that can handle the load. What we do: Web applications & SaaS platforms iOS & Android mobile applications Business software and internal tools Cloud architecture & DevOps Takeover, refactoring, and modernization of existing applications 💡 Innovation Tax Credit Approval: AquilApp is CII-accredited. By entrusting us with your innovative development work, you can include it in your own tax credit — a portion of your project is thus financed by the state. Why our clients choose us: Only senior developers — no one learns on your project We are SaaS publishers ourselves: we think product, ROI, and time-to-market, not just lines of code Clear, quantified proposals without technical jargon Long-term support: from idea to launch, and well beyond 👉 Let's talk about your project: first discussion free and without obligation.
5 works in Web Application
Located in Saint-Herblain, France
From €1,000 for Web Application
Worked in Travel & Leisure (+8)
Speaks English, French
11-50 members
Gaspa Agency
4.9
(18 reviews)
Web, mobile & AI agency | Custom applications, SaaS & business software | +150 clients
Recommended
Top awarded
Gaspa Agency is a digital agency based in Brussels. We design, develop, and evolve custom digital products, from the initial concept to their production. Our core business: • Web and mobile applications • SaaS platforms and marketplaces • CRM, ERP, and business software • Custom websites and e-commerce • Artificial intelligence integrated into business processes • Branding, product design, and UX/UI Our difference: we start neither from a technology nor from a fixed specification. We first analyze the business challenges, uses, constraints, and objectives to define what really needs to be built. Our method combines Discovery and Delivery: • Understand the need and identify priorities • Design a clear, coherent, and testable experience • Develop a reliable and scalable architecture • Test, deploy, and measure results • Evolve the product based on actual usage Product strategy, UX/UI design, branding, development, artificial intelligence, QA, and management are brought together within the same team. This organization helps secure decisions, limit technical risks, and accelerate deployment without sacrificing quality. Gaspa Agency supports ambitious SMEs, scale-ups, mid-sized companies, and large corporations in Belgium and internationally. Companies looking for a team capable of understanding their challenges, carrying a product vision, and transforming it into a digital experience worthy of their ambitions. Do you have a digital product to launch, modernize, or take over? 👉Let's discuss what your company really needs to build!
8 works in Web Application
Located in Brussels, Belgium
From €10,000 for Web Application
Worked in Marketing & Advertising (+22)
Speaks English, French
1-10 members
TiniTec
4.9
(8 reviews)
Your Technology Partner for Innovation and Growth
Highly recommended
TiniTec is an Algerian technology company committed to driving innovation and creating opportunities in Africa. We specialize in developing tech solutions tailored to meet the evolving needs of businesses and individuals. With a focus on e-learning platforms, software development, and digital transformation, TiniTec aims to empower organizations and inspire growth through cutting-edge technology. Our mission is to be the leading tech partner in Africa, fostering innovation, building strong relationships, and delivering impactful solutions that drive success.
5 works in Web Application
Located in Oued Smar, Algeria
From €200 for Web Application
Worked in Industrial Goods & Services (+10)
Speaks English, Arabic(+1)
1-10 members

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