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.

At All-In Factory, we craft digital masterpieces that resonate with your brand’s essence. From immersive design and intuitive UX/UI to sophisticated editorial and graphic design, we deliver premium experiences that captivate and inspire. Our expertise also spans app development, mobile solutions, and showcase websites. We are proud to have collaborated with prestigious brands like Fiat, Point S, Desigual, and AirFrance, reflecting our commitment to excellence and high-quality results.

💡 Why All-In Factory?

We cater to those who seek excellence and innovation. With a meticulous eye for detail, we create designs and digital solutions that are more than functional—they're unforgettable. Our immersive designs engage the senses, our UX/UI delivers beautiful experiences, and our development team ensures every project is executed to the highest standards.

💎 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.

📅 Consultation: calendly.com/allinfactory/30min

📧 Contact: contact@allinfactory.com

🌐 Website: www.allinfactory.com

📞+34 930 49 24 22

LinkedIn: www.linkedin.com/company/all-in-factory/

Instagram: www.instagram.com/all.in.factory/

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Talfac – Think right. Build clean. Deliver fast.

It often all starts with an idea. Sometimes well-defined, sometimes vague, but always ambitious.

Transforming your ideas into concrete, reliable, and scalable products: that is our mission.

We have supported startups in their seed stage, large groups in transition, SMEs in mutation.

Mobile applications, SaaS platforms, complex back-offices, AI tools, or no-code MVPs built in a hurry. Always with the same guiding principle: keep it simple, but robust.

Our approach is based on three pillars:

1. Understand: not just what needs to be coded, but why.

2. Structure: choose the right technology, set up the architecture, anticipate evolutions.

3. Execute: cleanly, quickly, without empty promises.

We don't sell code. We build useful tools.

Our clients: BVA, Paris Turf, Wiztopic, Hublo, Landor, BCG, Hakoo… and others who have trusted us to move forward, pivot, accelerate.

We love what we do. We do it well. And thanks to the Crédit Impôt Innovation incentive, our clients can recover 30% of our services. Enough to invest better, and further.

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.

Founded in 2012 as an outsourcing company, steps worked primarily with international clients. We provided offshore web,  development and data Treatment services to governments, general public and businesses.While we were working with our clients, we started developing a database and building our team’s expertise in Data Mining and Analysis. Within one year, we decided to make data science an essential part of what we do.

In addition to our competencies in Data Analytics, our IT engineers develop web applications.

We provide a comprehensive set of services for our customers. We believe that our quality work is what makes us stand out in regard to our competitors on the market. We want to be there for our clients during every step of the way from the pre-launch and even after they have their final product.

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.

Discover Kinoba: https://kinoba.fr/

Kinoba is a web development agency in Lyon and Paris, made up of an expert and passionate tribe in custom web platform creation and IT team augmentation, ready to meet all your digital needs.

Whether you are an entrepreneur, a startup, an SME, or a large corporation, your web project is unique, and we are committed to becoming your trusted partner to guide you towards success.

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

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

We are a development agency capable of supporting you on your website redesign projects, mobile applications, or custom development.

*** Experts in their technologies

Our developers, CTOs, UX/UI designers, and project managers are all based in France and are experts in their technologies.

We support you for:

- Custom platforms

- E-commerce projects

- Hybrid mobile applications

- Advanced CMS sites (site factories, complex Drupal, next-generation headless CMS...)

- AI

*** Dedicated teams for your projects

Teams are assembled based on expertise, availability, and individual motivation.

They are managed by our CTOs to ensure quality and sustainability.

Our clients have access to a dedicated project manager who ensures deadlines are met and deliverables are controlled.

*** Immediate availability

We always have availability to start exciting projects.

*** Most performant technologies

CMS: Wordpress, Prestashop, Strapi, Drupal, Shopify

Frameworks: NodeJS, Symfony, Laravel,

Front-end: Angular, ReactJS, VueJS

Mobile: React Native, PWA

AI & automation

...

Hello Pomelo is your partner in digital transformation. We support you in creating tailor-made solutions that meet the current challenges of your business.

Our specialties:

- Web and mobile development: Design of intuitive and high-performance applications, adapted to the specific needs of your sector.

- 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. We think about e-commerce architecture adapted to your business challenges.

- DevOps and Cloud: Implementation of agile and scalable infrastructures to improve collaboration between teams and accelerate the deployment of your solutions. We offer cloud migration services, cybersecurity, and monitoring.

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 and impactful projects. Thanks to our expertise, we know how to meet their challenges and support them towards successful long-term digitalization.

Why choose Hello Pomelo?

- Personalized approach: Each project is unique, and we are committed to providing solutions that precisely meet your needs.

- Long-term commitment: We don't just deliver a product; we offer continuous support to ensure the success of your digital transformation.

Join the companies that trust us to evolve their digital environment. Together, let's build sustainable and high-performing solutions!

Do you need a business site or application?

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

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 applies 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 the site is SEO-friendly, mobile-first, and fully configurable.

MG Mobile is a digital agency based in Paris, specializing in the development of web and mobile applications, CRM systems, and contest games. It offers technological support services to its clients, committing between 2 and 20 days per month depending on their needs.

The agency offers a range of services, including:

- Operational Co-pilot: assistance in the daily management of digital operations.

- Technical Co-pilot: technical support for the development and maintenance of digital solutions.

- Design Co-pilot: creation of visual identities and graphic charters adapted to the company's values.

- Contest Game Marketing Co-pilot: development of marketing strategies focused on contest games to engage customers.

Thanks to its expertise, MG Mobile helps companies optimize their digital presence and achieve their business objectives.

LE BACKYARD est une agence d’innovation digitale qui intervient à un niveau stratégique pour créer et optimiser des outils digitaux performants à travers une conception centrée utilisateur. Notre agence est située à Paris 11ème, et notre équipe est composée de 30+ experts (UX et UI designers, Product Owners, Developers web et mobile,.)

Notre maîtrise de l’ensemble de la chaîne de valeur d’un projet digital, nous permet de vous accompagner dans l’activation de leviers vous permettant de gagner en productivité, d'augmenter vos parts de marché, d’améliorer votre image de marque et/ou de fidéliser vos clients.

Notre méthodologie est centrée utilisateur et nos interventions toujours tournées vers des résultats mesurables dans le but de vous concevoir des outils toujours plus performants et rentables. 

Nous sommes agrées CII pour vos projets mobile et web et donc vous pouvez bénéficier d'un crédit d'impôt de 30% sur l'ensemble de nos prestations (soumises à conditions)

NOS DOMAINES D'EXPERTISE :

>>> USER EXPERIENCE >>>

UX research / UX design / UX writing

>>> USER INTERFACE >>>

UI design / Design d'interaction / Service blueprint / UI kit / Design system

>>> PROJECT MANAGEMENT  >>>

Positionnement produit / Définition solution / Contrôle qualité / Pilotage projet

>>> DEVELOPPEMENT WEB   >>>

 Sites vitrines / Plateformes e-commerce / Marketplace / Outils métiers / Intranets / Extranets / Maintenance

>>> DEVELOPPEMENT APP MOBILE >>>

Natif / 

Notre équipe de développeurs travaille exclusivement sur  la technologie React Native.

NOS CLIENTS  :

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... 

Nous travaillons aussi bien avec des grands groupes leaders qu'avec des Startups prometteuses. des PME et des TPE. Nous avons accompagné ces cinq dernières années près de 100 clients évoluant dans secteurs d'activités variés. 

Découvrez toutes nos expertises et réalisations sur www.lebackyard.fr.

Euro Tech Conseil - Your Partner in Digital Innovation

Founded in 2000, Euro Tech Conseil specializes in the development of tailor-made digital solutions and technological support for businesses.

We help our clients design, optimize, and secure their digital tools by addressing the most complex technological challenges. Thanks to a team of passionate experts, we develop agile, high-performance, and scalable solutions, adapted to the specific needs of each company.

Our services:

✅ Digital solution development (web, mobile, business software)

✅ IT services and maintenance (support, infrastructure, cloud)

✅ Audit and security (cybersecurity, compliance, IT performance)

✅ AI Development (artificial intelligence, automation, data science)

Why choose Euro Tech Conseil?

• Tailor-made solutions: adapted to your specific challenges and objectives
• +25 years of experience: proven expertise in development and innovation
• Collaborative approach: we co-build each project with our clients
• Continuous innovation: cutting-edge technologies for scalable and high-performance tools

We collaborate with companies of all sizes and from various sectors to offer optimized digital solutions with high added value.

Aji, l'équipe qui va vous bluffer !

Vous avez une idée exceptionnelle mais vous ne savez pas par où commencer ? Pas de panique, les experts d'Aji sont là pour vous !

🧠 On allie créativité débordante et compétences de choc pour transformer vos concepts les plus fous en projets concrets. De l'intelligence artificielle aux applis mobiles, en passant par le web, le design ou la réalité augmentée, on maîtrise tous les domaines !

🔥 Notre secret ? Une équipe survitaminée, prête à relever n'importe quel défi ! On s'adapte à tous les secteurs comme de vrais caméléons du numérique.

🪡 Mais le must, c'est qu'on vous conçoit des projets sur-mesure, comme un costume taillé par le plus prestigieux des tailleurs. Aji, c'est la haute-couture du digital !

Mais concrètement, on fait quoi ?

✅ Intelligence Artificielle

✅ Application Mobile

✅ Développement Web

✅ UI/UX Design

✅ Réalité Augmentée et Virtuelle (AR/VR)

✅ SEO / SEA / SMO / CRO

Notre mission ? Faire vivre votre passion !

♠️ On est les AS pour capter l'essence de votre projet et la retranscrire à la perfection. Parce qu'on est pas que des technophiles, on est avant tout à l'écoute de vos besoins et de ceux de vos futurs utilisateurs.

🤘 Alors foncez et partagez-nous vos folles idées ! On se chargera de les concrétiser à 3000% pour vous bluffer !

Nos valeurs ? On vous les transmets !

✨ Réactivité de folie

✨ Créativité à revendre

✨ Confiance à toute épreuve

✨ Écoute proactive

✨ Transparence absolue

Aji c'est une famille : AjiCreative, AjiInteractive et AjiContent ! Une équipe rayonnante qui ne lâche rien et qui garde toujours un pied dans l'humain.

Alors go, on se lance ? 💥

L’expérience utilisateur au service de votre croissance

Que vous souhaitiez lancer ou refondre un site vitrine, un site e-commerce, une application mobile ou une solution métier sur-mesure, notre agence digitale - basée à Strasbourg, Aix-Marseille, Lyon et Paris - vous accompagne avec une approche méthodique et éprouvée, garantissant des résultats mesurables pour votre activité.

Couvrant tout le cycle de vie de votre projet de conception digitale, de la stratégie business à la réalisation technique, en passant par la recherche utilisateur, l’UX/UI design et l’amélioration continue des performances, nous créons ensemble des expériences impactantes et engageantes, qui font la différence depuis +15 ans.

Comme l’étoile du berger, les utilisateurs finaux et vos enjeux commerciaux nous guident dans chacune de nos missions.

Curieux d’en savoir plus ?

Challengez-nous !

03 67 10 08 49

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Nos expertises :

• Audit et analyse : https://adeliom.com/expertises/conseil-etude-ux/

• Conseil, cadrage et stratégie : https://adeliom.com/expertises/cadrage-strategique-amoa/

• Recherche utilisateur : https://adeliom.com/expertises/recherche-utilisateur/

• UX/UI Design : https://adeliom.com/expertises/ux-design-conception/

• UX Writing : https://adeliom.com/expertises/ux-writing/

• Développement web et app : https://adeliom.com/expertises/developpement-web-app-mobile/

• Web analyse et conversion (CRO) : https://adeliom.com/expertises/web-analyse-conversion-cro/

• Coaching et formation : https://adeliom.com/expertises/formation-coaching/