Top Web App Development Agencies in Paris

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Top Featured Web App Development Agencies

Twistag
(0 review)
Intelligence, Engineered. AI Agents, Data Platforms & Cloud-Native Products.
Twistag is an AI and product engineering agency based in Lisbon, Portugal. Founded in 2016, we build AI agents, data platforms, and cloud-native products for companies ready to move faster than their market. Our core capabilities: - AI & Agents: AI strategy & audit, custom AI agents, LLM integration, workflow automation, RAG systems, agentic frameworks. - Data Engineering: Data pipelines, data lakes & warehouses, governance, real-time streaming, ETL/ELT, analytics platforms. - Cloud-Native Products: Custom software development, web & mobile applications, cloud migration & architecture, API design, Kubernetes, CI/CD, legacy modernization. - Product Strategy & Design: From problem to product, validated fast. MVP & proof of concept development. Clients include Nike, Volkswagen, Autodesk, Sanofi, Galp, Kencko, Glovo, Defined.ai, Datatalks, and Bangkok Bank. Recognized in Deloitte's Technology Fast 500 EMEA (2023 & 2024). Engagement models: AI Readiness Audit, Full Build, Long-term Engineering Partner.
11 works in Web Application
Located in Lisbon, Portugal
From €10,000 for Web Application
Worked in Software & Computer Services (+11)
Speaks English, Arabic(+4)
11-50 members
STEPS
4.9
(8 reviews)
Your partner for digital transformation & AI delivery
Top awarded
STEPS is a Tunisian digital transformation and engineering partner. We help ambitious companies design, build, and scale business-critical platforms, custom software, AI applications, data dashboards, and nearshore engineering teams. We are known for one thing: shipping to production, not to demo. From custom platforms and mobile apps to LLM applications and data dashboards, our delivery culture is built on engineering discipline, code review, testing, CI/CD, documentation, monitoring. We have built and operate a digital hub for a leading pan-African bank, modernized platforms for institutions across regulated sectors, and partner long-term with European companies looking for senior nearshore engineering. Trilingual by design (FR/EN/AR). Our services: Product Development, Product Design, Digital Transformation, AI & Data Engineering, and Technology Partnership (CTO-as-a-Service, nearshore team extension).
13 works in Web Application
Located in Paris, France (+1)
From €5,000 for Web Application
Worked in Software & Computer Services (+17)
Speaks English, Arabic(+1)
11-50 members
TheCodingMachine
4.8
(21 reviews)
Custom web and mobile development, entrust us with the technical aspects! Paris, Lyon, Lisbon
Top awarded
TheCodingMachine offers 20 years of expertise and consulting for companies in digital, web, mobile applications, and digital transformation. We support and advise you on solutions that optimize your processes and your business. We work to evolve your tools for the benefit of your company and we ensure the technical part of your digital ecosystem. OUR EXPERTISE: 1. CUSTOM DEVELOPMENT We use the most popular PHP frameworks like (Symfony, Laravel) to optimize our code. TheCodingMachine also works with JavaScript technologies (VueJS, ReactJS, AngularJS) to bring maximum dynamism to your various interfaces. - Web platform: Intranet, extranet, connected space… - Mobile application: Native, hybrid, or Progressive Web App, we ensure your presence on smartphones or tablets. - Website: Institutional or e-commerce site, redesign or complete realization, we support you in the development and deployment of your web strategy. 2. CONSULTING & AUDIT Our experts can support you in various consulting phases or also in audits, for example, in the context of investment, acquisition, or project redesign. Project rescue, organization, digitalization of the Information System… some projects require support in your technical and strategic choices. Thanks to the expertise of its technical teams, TCM helps you succeed in your digital transformation.
28 works in Web Application
Located in Paris, France (+2)
From €5,000 for Web Application
Worked in Energy & Oil (+25)
Speaks French, English(+2)
51-200 members
Morpheon™
5
(18 reviews)
Top-rated digital agency led by senior experts. Apps | Web | Branding | UX/UI | Built to convert.
Recommended
🇪🇸🇨🇭🇬🇧 Europe-based, serving clients globally 🔒Verified | 🔰Certified | We design and develop websites, apps and brands that stand out — and convert. We are experts at blending art and science, crafting brands and digital solutions that have a lasting impact . Our skilled team designs distinctive branding and apps your clients will LOVE. We are proud to have collaborated with prestigious brands and organisations like ESA, Fiat, Point S, Desigual, and AirFrance , reflecting our commitment to excellence and high-quality results. 💎 What We Offer: Immersive Design : Engaging, sensory-driven experiences that redefine how users interact with your brand. Branding and Naming : Crafting strong identities and impactful names that resonate with your values. UX/UI Excellence : Beautiful, intuitive designs that elevate your digital presence. Graphic & Editorial Design : Visuals that tell your story and leave a lasting impression. App Development: Mobile and web applications built for performance, scalability, and beauty. Web Creation: Showcase and corporate websites tailored to reflect your unique identity and fully optimized for SEO. 🔧 Our Technical Arsenal: General : PHP, Java, Python, Ruby on Rails, JavaScript Front-end : React, Angular Mobile : Xamarin, Ionic, Flutter, React Native, Swift, Kotlin Hosting Services : AWS, Microsoft Azure, Google Cloud, Heroku AI Integrations : OpenAI, ChatGPT, Llama, Gemini and beyond. CMS Expertise : WordPress, Shopify, Webflow, Wix, Magento Elevate Your Digital Identity Let’s create something extraordinary together. 📧 Contact: contact@morpheon.co 🌐 Website: https://morpheon.co/ 📞+34 930 49 24 22 | +33 1 87 66 32 44 LinkedIn: https://www.linkedin.com/company/morpheon-studio Instagram: https://www.instagram.com/morpheon.studio/
12 works in Web Application
Located in Paris, France (+2)
From €20,000 for Web Application
Worked in Real Estate (+21)
Speaks English, French(+2)
11-50 members
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 intersection of business, user experience, and technology: Media, Mobility, Health, B2B SaaS, Retail, Industry, Impact. More information on our website. They trust us: Stellantis | SNCF | Renault | TF1+ | Arte | Eiffage | Institut Pasteur | Heineken | France Télévion | Simplon | Visiativ.
27 works in Web Application
Located in Paris, France (+1)
From €20,000 for Web Application
Worked in Software & Computer Services (+31)
Speaks French, English(+1)
11-50 members
Polara Studio
5
(11 reviews)
The Product, Tech, AI agency of SaaS founders | +100 clients
Highly recommended
We offer comprehensive expertise in designing tailor-made SaaS solutions, combining web development, UX/UI design, and product strategy to create unique, user-centric experiences. At Polara Studio, our experts spend 50% of their time building startups and 50% assisting clients. Web software/applications and SaaS only. Our strength? We ONLY do this. Since 2015. Our startups work, and we know the challenges of launching entrepreneurial projects by heart. Our areas of expertise: 🤖 AI & Automation We integrate AI into the core of your tools and products to automate, optimize, and accelerate your performance. From intelligent assistants to advanced data processing, we transform your challenges into concrete solutions. 🎯 Product Strategy We clarify your product vision, define your positioning, and build an impact- and profitability-oriented roadmap — especially for SaaS models. 🚀 Product Management From scoping to delivery, we manage your product with an agile, structured, and results-oriented approach. 💻 Software Development & Web Apps We design robust, scalable, and high-performing SaaS platforms, business software, and web applications. 🧪 POC & MVP Test, validate, iterate quickly. We turn your ideas into functional products ready to face the market. ☁️ SaaS & Scalability Architecture, performance, security, subscription model: we build products designed for sustainable growth.
7 works in Web Application
Located in Bordeaux, France
From €10,000 for Web Application
Worked in Real Estate (+12)
Speaks French, English
11-50 members

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