Full Stack Development Companies in Paris

At ALLOHOUSTON, we help SMEs and mid-to-large enterprises succeed in their digital transformation through custom software solutions that outperform standard SaaS.

Unlike traditional software vendors, we believe your business should not adapt to digital tools, but tools should adapt to your business. That's why we design, develop, and maintain personalized digital solutions, ranging from web and mobile applications to cloud platforms and AI solutions, all designed to integrate and evolve with your organization.

Why SMEs and Mid-to-Large Enterprises Work With Us

🔹 Your processes are too specific for standard software → We develop custom digital platforms tailored to your needs

🔹 You need fast and impactful results → We deliver an MVP in 3 months without compromising quality

🔹 You want a single team to manage the entire project → No intermediaries, a single team ensures continuity

🔹 Your software needs to evolve with your business → Our solutions are scalable and adapted to your growth

Our Solutions

✅ Business Platforms & Cloud Applications – Custom software solutions to digitize your operations

✅ AI & Data Analytics – Intelligent tools to optimize decision-making

✅ Process & Logistics Optimization – Automation and digital tools to improve operational efficiency

✅ Web & Mobile Applications – High-performance user experiences tailored to your business

Our Clients

We support CEOs, COOs, and CIOs of SMEs, mid-to-large enterprises, and large corporations who:

✔ Need custom digital tools to gain a competitive edge

✔ Are constrained by rigid SaaS or ERP software

✔ Are looking for scalable and high-performance digital solutions

🚀 Need software tailored for your business?

📩 Contact Us!

🇪🇸🇨🇭🇬🇧

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/

W3r.one supports companies in the design and development of fully custom web and mobile applications. We build robust, intuitive, and scalable solutions, perfectly aligned with your needs, processes, and ambitions.

We get involved from the very first steps to structure requirements, lay solid technical foundations, and make the right choices from the outset. Thanks to our consulting approach, we help you connect your business challenges with the most relevant technologies and find solutions throughout the project, even as needs evolve.

We work with SMEs, mid-sized companies, and venture-backed startups looking to establish a solid technical stack to support their growth, reassure their investors, and scale without technical debt.

🎯 Our Approach

➤ Scoping workshops to align product vision and ground reality

➤ Highly user-centric UX/UI: clear, simple, effective

➤ Custom full-stack development (React, React Native, TypeScript, Symfony...)

➤ MVPs delivered in a few weeks, without compromising on quality

➤ Seamless integration of all your tools via API (ERP, CRM, third-party services...)

➤ AI & Data Expertise: automation, analytics, decision support

➤ Optimization of internal processes through custom business platforms

➤ Continuous technological consulting: architecture choices, scalability, technical trade-offs

💡 Our Difference

We translate your business challenges into concrete, high-performing digital solutions that are ready to evolve with you.

At W3r.one, every line of code serves a clear vision: to build a solid, scalable, and useful technical foundation.

Do you have an idea, a project, or a business need to transform?

📩 Contact us, let's talk about it.

We support our clients on topics of custom web and mobile design & development.

Since 2010, we have been involved in creating websites, platforms, and mobile applications.

We work for start-ups and associations: Action contre la faim, Fondapol,

for large groups: Roche, Rungis, Nespresso, Freyssinet, Galbani, Best Westen etc.

as well as (very) innovative clients: Mirakl, SkinAnalysia etc.

We are involved in the Consulting phase: Usage & needs definition, Infrastructure & technologies, Digital transition consulting, but also in the execution phase: UX & UI, Web development, Mobile development,

as well as consulting in Server Infrastructure.

We favor close support for clients with dedicated project managers, using agile methods.

Our team is composed of specialized technical profiles, to approach our projects in an optimized way and be reactive to our clients' requests. Our quality testing and automated deployment methods allow us to maintain this same reactivity in the very long term.

Contact us for a free analysis of your project.

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.

Hello Pomelo is the tech partner for Mid-Sized Companies (ETI) to design and deploy tailor-made digital solutions, integrated with your business and IT challenges.

Our specialties:

- Web and Mobile Development: Design of intuitive and high-performing applications, adapted to the specific needs of your sector. As an expert maintenance agency (TMA), we ensure bug fixes, optimize performance, and support the evolution of your applications.

- E-commerce: Creation of tailor-made online sales platforms, optimized to offer a fluid and engaging user experience. We develop marketplaces, B2B e-commerce, B2C e-commerce, and we integrate PIM / DAM/ MDM/ DXP.

- DevOps and Cloud: Implementation of agile and scalable infrastructures to improve team collaboration and accelerate the deployment of your solutions: Cloud migration, cybersecurity, managed services, and monitoring.

- ERP Integrator: Support for SMEs/ETIs in the audit, design, integration, and evolution of reliable ERP systems, adapted to your business needs.

Our successes:

We have the privilege of collaborating with companies such as Leboncoin, Photomaton, Mericq, Homair, Voyage Privé, Enovos, Proman... who have entrusted us with the realization of innovative projects. Thanks to our expertise, we know how to meet their challenges and support them towards successful long-term digitalization.

Why choose Hello Pomelo?

• Multi-expertise Agency, proven for over 10 years in piloting complex digital projects for Mid-Sized Companies (ETI), from design to deployment.
• Your long-term technological partner, we commit beyond delivery to evolve your solutions over time.
• Total transparency: real-time monitoring thanks to our Elephant Track tracking tool.

Join the companies that trust us to evolve their digital environment and build sustainable and high-performing solutions!

Digital Unicorn is a CII-approved digital studio, specializing in the design and development of high-performing, innovative, and tailor-made digital projects. We are a team of expert developers, designers, and project managers, all passionate about our craft and proud of the applications we create for our clients.

Whether you are a large company or an innovative startup, whatever your project, we are here to make it happen.

Technological Solution

• At the forefront of the latest trends and technological advancements, we conceive and develop the best solutions for each of your needs: connected objects, micro-geolocalization, artificial intelligence, virtual reality... We favor the most robust and efficient technologies such as React Native, Node.js, Redux, or Firebase for the development of your projects.

• We like to get involved in projects by proposing the creation and development of UX (User Experience), then UI (User Interface), and Design to ensure that the technical and commercial product design truly meets the needs of the target audience. We are convinced that close collaboration from the very beginning of an idea is the guarantee of rapid and efficient development, ensuring future success. We make this our priority.

UX and UI Design Solution

• Our designers work with you to create a graphical interface (UI) and user experience (UX) that meet the functional requirements of your project. We invite you to read the article we wrote on the definition of UX Design and its difference from UI Design.

• The design and development phases are very important. To help you stand out, design and user experience will allow us to offer a real Value Proposition for your project. This will determine the first impressions of your users.

LE BACKYARD is a digital innovation agency that operates at a strategic level to create and optimize high-performing digital tools through user-centered design. Our agency is located in Paris 11th arrondissement, and our team is composed of 30+ experts (UX and UI designers, Product Owners, Web and mobile developers, etc.).

Our mastery of the entire value chain of a digital project allows us to support you in activating levers that enable you to increase productivity, grow your market share, improve your brand image and/or retain your customers.

Our methodology is user-centered and our interventions are always focused on measurable results with the aim of designing ever more efficient and profitable tools for you.

We are CII accredited for your mobile and web projects, so you can benefit from a 20% tax credit on all our services (subject to conditions)

OUR AREAS OF EXPERTISE:

>>> USER EXPERIENCE >>>

UX research / UX design / UX writing

>>> USER INTERFACE >>>

UI design / Interaction design / Service blueprint / UI kit / Design system

>>> PROJECT MANAGEMENT >>>

Product positioning / Solution definition / Quality control / Project steering

>>> WEB DEVELOPMENT >>>

Showcase websites / E-commerce platforms / Marketplace / Business tools / Intranets / Extranets / Maintenance

>>> MOBILE APP DEVELOPMENT >>>

Native /

Our team of developers works exclusively on React Native technology.

OUR CLIENTS:

AIR FRANCE, CITYSCOOT, COINHOUSE, SAINT LAURENT, EDF, GROUPE ADP, METROSCOPE, ORANGE, AMAZON, VINCI IMMOBILIER, MONEY TRACK, VEOLIA, RAIL EUROPE (SNCF), BLABLACAR, LOXAM, O'TACOS, THEOP, ENEDIS, SOWEE...

Discover all our expertise and achievements at www.lebackyard.fr.

Web Studios is a communication and digital strategy consulting agency, a partner for any organization or project leader wishing to create its own digital ecosystem, develop its visibility, and effectively and relevantly address its audience.

Founded in 2009 in Dreux, we are now a human-sized agency also present in Paris, in the 17th arrondissement. Our team of 12 professional experts focuses on close relationships to meet your needs and challenges in terms of strategy and digital transformation.

Specifically, our ambition 🚀: To offer you personalized support at each key stage of a complete and effective digital marketing strategy:

• Positioning Audit: By helping you position yourself in your market, identify your brand image, define or redefine your target audience, all questions that will allow you to analyze your situation beforehand and be clear about your positioning to establish an effective digital strategy aligned with your values and objectives.

• Web and Mobile Development: By guiding you towards a stable, user-friendly, and customized solution that will increase your visibility and notoriety: Showcase website, E-commerce site, UX/UI design, intranet/extranet, Progressive Web Application (PWA), business application creation.

• Content Production: By offering you decisive and high-potential content creations (texts, videos, motion design, photo retouching) that will contribute to giving meaning and value to your visual identity, attracting and engaging your audience, and converting your prospects.

• Acquisition & Loyalty: By optimizing your natural and paid visibility (SEO and SEA), your social media presence (Facebook, Instagram, LinkedIn), your online advertising campaigns Google Ads (Search, Remarketing, Display).

• Support & Training: By helping you better understand your digital situation through an audit of your website, social media, SEO/SEA, and e-reputation, and providing you with a diagnosis and, above all, an adapted action plan. Training is also a key element that we prioritize to make you autonomous in managing your communication tools.

Already 400 clients and 600 projects completed, be our next collaboration/partner, contact us at

01.88.33.95.50 / 02.46.83.03.72 or by email contact@web-studios.fr

Want to define or redefine your digital strategy but don't know where to start?

Contact us for a free initial consultation where we can advise you on your project.

/ ! \ Don't leave this page without watching our presentation video: / ! \ https://youtu.be/R8ngduenXj4

Since 2016, Web Vision 360 has established itself as a digital agency where every project is unique. Our conviction: a 360° vision of digital, combined with the precise orchestration of strategic growth levers, is the key to transforming your objectives into tangible results.

Our rigorous methodology and our global expertise cover all aspects of digital: strategy, development, CRM, marketing, and acquisition. We don't just deliver projects; we create high-performing digital experiences that propel your growth.

Our expertise

We go beyond isolated solutions to create a synergy of expertise:

• 🚀 Tailored digital strategy
• 💻 High-performance web development
• ⚙️ HubSpot CRM – Certified Platinum Partner
• 🎯 Google Ads – Google Partner Agency
• 🔍 SEO (technical, semantic & content)

Why choose us?

A passionate, certified, and ROI-oriented digital partner who transforms your challenges into concrete and sustainable opportunities.

👉 Let's meet and talk about your project: https://webvision360.com

Web, mobile and IT consulting agency.

A fusion between an IT consulting firm and a development agency, we support large companies, SMEs and pure players in the design and development of their digital solutions.

Our Mobile Factory is made up of experts in the design and development of mobile applications. We use the latest native or hybrid (cross-platform) technologies.

We can audit, monitor, update, promote, design, optimize or develop the next features of your mobile applications.

Do you need a business website or application?

We support you in the construction of new projects, the complete redesign of existing projects, or full-service continuous improvement (TMA).

We do everything you might need to bring your digital project to life:

• User research and digital strategy
• UX prototyping & user testing
• Website development and maintenance

Contact us : Our 300 completed projects and 12 years of experience allow us to be a true partner in your business site and application projects. Contact us if you wish to discuss your project and receive a free quote.

Celuga is a new web technologies agency, expert in the development of innovative web solutions.

With 25 years of experience and 1500 references, our areas of expertise cover project analysis, graphic design, programming, hosting, support, and solution maintenance.

We have clients of all sizes - Start-ups, VSEs, SMEs, large companies, associations, public organizations, and major groups. We are therefore able to understand and adapt to your challenges, taking into account your organizational processes. Our numerous references allow us to have a broad and creative vision of current digital issues.

We rely on our own team of experts, composed of experienced web developers, project managers, and graphic designers-ergonomists specialized in web design.

Driven by a common ambition and vision, Celuga, an expert in the development of innovative web solutions, Neojobs, an employer branding agency, and Niaouli, a digital tool for employer brand management, decided to found the Amoono Group in 2021.

Thus, thanks to the synergy of their expertise, these 3 companies respond, alone or jointly, to the challenges of creating links between humans and digital technology.

Our offers:

• Website: Institutional website, e-commerce site, career/recruitment site, classifieds site, custom site
• Intranet & Extranet: Custom applications, business tools, calculators, simulators, CRM, LMS, e-learning...
• Web'app: Development of mobile applications in progressive web app (PWA)
• API & Webservice: Development and integration for communication between your website and your tools
• Audit: Technical audits for improving your website
• Training: Training in the digital field

Our technical expertise:

• C# .NET, Php, Javascript, REACT...
• CMS: Custom, Wordpress, Woocommerce
• SQL & noSQL Databases; MySQL, MongoDB, MariaDB

Creatiwity is a Digital Agency specializing in UX and Design that creates custom websites and mobile applications.

• OUR CLIENTS

Our clients are very diverse: from SMEs to major industry players or pharmaceutical laboratories for their international communication operations. We develop websites and mobile applications in-house using technologies developed within the company, which allow us to respond to our clients ever more quickly. M6, monAlbumPhoto, Orange, Air France, Printic, Valeo, Little Worker, etc.

• MOBILE APPLICATIONS

For a communication campaign or a business need, we develop your iOS and Android applications in native language (Java/Kotlin or Swift) or WebApp. A modern design, adapted for each platform, will improve the user-friendliness of the app. The application can be designed with a dual tablet and smartphone version. Bring your mobile project to life with a creative app.

• WEBSITES

Creatiwity websites meet your needs for a web presence or to sell your products on an e-commerce platform. Improve your visibility with a fully custom design adapted to your business. All our sites offer "cross-device" compatibility by adapting to tablets and smartphones. Get a quality, cutting-edge website!

• UX/UI

Creatiwity handles your UX/UI design projects. We organize UX workshops to create mockups for your web & mobile application projects. Finally, we also create the UI design boards for your projects using Sketch and Figma software.

🎯 Want to join a young and dynamic team to work in development or design?

We are hiring: https://creatiwity.net/recrutement

Since 2014, Gradiweb has been supporting major E-commerce players in the design, development, and optimization of high-end Shopify sites.

Based in western Paris, our team of Shopify experts implements its know-how in user experience, graphic design, and feature integration to build high-performance sales tools perfectly tailored to needs. Nothing is left to chance; we ensure that the site is SEO-friendly, mobile-first, and fully configurable.

DropTeam est une agence web et digitale spécialisée Drupal, reconnue en France pour son orientation métier, son haut niveau d’ingénierie et sa capacité à concevoir des plateformes Drupal à forts enjeux business, où les équipes métiers et marketing doivent disposer d’une forte autonomie d’action.

DropTeam figure parmi les principales agences Drupal françaises référencées sur Drupal.org, la plateforme officielle du projet Drupal, qui recense et qualifie les partenaires par pays.

👉 Liste des agences Drupal partenaires en France :

https://www.drupal.org/drupal-services?title=&offices%5B%5D=FR

DropTeam est également partenaire certifié Drupal, officiellement référencé sur Drupal.org, attestant de son expertise Drupal et de son engagement durable dans l’écosystème open source.

👉 Page partenaire officielle DropTeam sur Drupal.org :

https://www.drupal.org/dropteam

🔧 Contributeur majeur au cœur de Drupal

Au-delà de son rôle d’intégrateur, DropTeam est un contributeur actif et structurant du projet Drupal, à l’origine et au maintien de modules largement utilisés au sein de la communauté internationale.

Parmi ses contributions majeures figurent notamment :

UI Suite : Un ensemble de modules au cœur des approches modernes de design system et de Component Based Design dans Drupal, largement adopté pour structurer des interfaces métiers cohérentes, maintenables et orientées autonomie.

Admin Toolbar : L’un des modules Drupal les plus utilisés au monde, facilitant la navigation et l’administration, déployé sur plus de 250 000 sites Drupal en production.

Et bien d'autres contributions qui démontrent la maîtrise profonde de l’architecture Drupal, mais aussi la capacité de DropTeam à influencer directement l’évolution de l’outil, bien au-delà de simples projets clients.

Founded in 2011, Eleven Labs is a web & AI consulting and engineering agency recognized for its technical excellence and the quality of its profiles. With 100 'astronauts' and over 500 completed projects, we support companies like Radio France, Decathlon, Sephora, The Fork, Société Générale, 20 Minutes, Citeo, and Believe every day.

Our role is to provide cutting-edge expertise to frame, secure, and accelerate the most demanding digital transformations. We intervene from the upstream phase with audits and strategic consulting to secure decisions, then we design and deliver robust and sustainable solutions through tailor-made delivery.

Our expertise:

🪐 Audit & technological consulting

🪐 Custom web development

🪐 Cloud & DevOps

🪐 Data engineering & AI

Our AI Lab designs artificial intelligence agents and solutions (AI agent, RAG, LLM) focused on business value. We develop custom agent architectures, connected to company systems and data (via MCP servers), to automate processes.

Our difference lies in collective intelligence. We are convinced that value comes above all from the collective, and that experts augmented by their ability to share, challenge, and build together go further. On a daily basis, we rely on demanding standards: clean architecture, code quality, FinOps, and DevSecOps integrated from the design phase. This rigor allows us to deliver reliable solutions.

Actency is a French web and digital agency specializing in Drupal, recognized for the design and operation of critical web portals with high stakes: highly competitive, strategic, or exposed to very high traffic volumes, requiring high availability, performance, and advanced security.

Actency is among the main French Drupal agencies listed on Drupal.org, the official website of the Drupal project, which lists and qualifies specialized partners by country.

👉 See the list of Drupal partner agencies in France:

https://www.drupal.org/drupal-services?title=&offices%5B%5D=FR

Since 2007, Actency has been officially listed as a partner on Drupal.org, attesting to its positioning as an expert Drupal agency and its lasting commitment to the ecosystem.

👉 Actency's official partner page on Drupal.org:

https://www.drupal.org/actency

Actency views Drupal not as a simple CMS, but as the central foundation of a complete digital platform, integrated into the organization's information system.

The agency combines Drupal with ultra-high-performance headless / SSG architectures, advanced automation (DevOps, CI/CD), strong business autonomy, and controlled content governance, guaranteeing scalability, security, and performance.

With over 250 experts within the AODB group, Actency has been supporting public and private organizations for over 15 years on complex and structuring Drupal projects, and has already served more than 1,000 clients in France.

Its references include notably Matmut, PSA, Renault Trucks, Socomec, Kuhn, Légifrance, the Direction Générale des Douanes, as well as numerous institutional and industrial players.

Locations: Paris, Strasbourg, Lyon, Bordeaux, Nantes, Toulouse, Tunis, Marrakech, Rabat

Specialties: Drupal site factories, critical web portals, Headless / Next.js / React Drupal architectures

For over 15 years, Adeliom has been the digital co-pilot for Mid-sized Companies, Large Enterprises & Organizations whose current digital model has reached its limits.



Scattered data, businesses constrained by tools, disjointed customer journeys, and a multitude of providers, without a conductor to orchestrate everything.

We support Digital, Marketing & IT departments in transforming their digital ecosystem into a lever for commercial and operational efficiency.



Our role: to frame, structure, design, optimize.



Concretely, our support is based on four phases:

1. Analyze and frame the project, to clarify the use cases, align stakeholders, and prioritize all their needs as well as the right performance indicators.

2. Structure the solution architecture, by modeling customer and business journeys, data flows, and defining the specific ergonomic and technical architecture.

3. Design tailor-made interconnected solutions:


• Product sites & order portals


• Customer & network spaces


• Product configurators & calculators


• Business & field tools (Technician, Sales Admin, HR, After-sales Service, Sales)

4. Continuously test, maintain, and improve, by sustainably evolving these services through various optimizations (UX, technical, CRO, accessibility) and reasoned AI implementations.



The result: better-equipped teams, loyal customers, and a fully mastered distribution network.

Ultimately,

Adeliom becomes a true extension of their team, aligning the IS with the reality of businesses and customers to put technology back at the service of the Humans who use it.



Some inspiring results: 



✔︎ +15 % qualified leads – Culligan


✔︎ +7 % conversion – Tryba


✔︎ +57 % orders – Airbus


✔︎ x2 online sales – Liebherr


✔︎ +8 % engagement rate – Airbus



A structuring project to launch? -> contact@adeliom.com | 03 67 10 08 49

Web and mobile application development.

Expertise in business applications, SaaS, intranet, extranet, and productivity tools.

Shortcut is a French agency, founded in 2020 by two passionate technical team developers and managers with over 10 years of experience each.

They are committed to using their skills to automate repetitive and low-value-added tasks, and to create software that provides users with significant productivity gains and simplified access to functionalities.

Ergonomics and accessibility are at the heart of Shortcut's approach.