Cross Platform Development Firms

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All Cross Platform Development Agencies

Innovative Solutions logo

Innovative Solutions

Verified

Nos solutions numériques sont adapté à vos besoins.

Innovative Solutions is a Custom Software Development company located in Brussels.

It has the advantage of offering a good quality-price ratio and a permanent accompaniment during the whole programming process of your project. The development starts immediately after signing the contract and respects the deadlines.

Innovative Solutions creates applications that reflect your corporate image and ensure a unique User Experience. It also accompanies you in the digital transition of your structure to help you better evolve in our increasingly digital environment.

Our expertise:

- Development of Mobile and Web Applications (IOS, Android, hybrid, ERP, CRM)

- Accompanying the company in a digital transition with the construction of a team

- Consulting and IT audit for an optimization of the Customer Experience, analysis of existing solutions, and integration of adapted solutions.

Our quotations are complete and include examples of mockups to give you a visual idea and a timetable for the project.

Do you have a digital project in mind? Don't hesitate to ask for a quote.

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4.9 (14 review)
40 employees
Brussels, Belgium
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Born Digital logo

Born Digital

Verified

Born Digital creates beautiful brands and outstanding digital products.

Born Digital creates beautiful brands and outstanding digital products like websites, mobile apps and complex tools and platforms. We help organizations unlock their full potential with bold identities and state-of the art digital products and we thrive when we're faced with complex and creative challenges.

Direct interaction

We believe in self-steering teams and direct interaction between our team and our customers and we don’t believe in overhead profiles. Information needs to flow directly between you and the people who design and build your project.

Problem first, solution second

By which we mean we always start with focussing on the needs of both our clients and their customers. We analyse and design the best possible experience first, then pick the best technology stack to turn this design into a performant, flexible and immersive digital experience.

Proven methods

We never pitch a solution, always an approach. We can take all the insights and experience from previous projects, but that also taught us that every client and every project is different and there’s often something seemingly small that might have a huge impact on the result. We alway rely on a proven methodology that got every single one of our clients to a great result within budget and time.

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4.9 (24 review)
10 employees
Hasselt, Belgium
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Dreambridge B.V. logo

Dreambridge B.V.

Verified

We create Digital Experiences, Web & Mobile Apps and 3D Content with new-age technologies and GenAI.

When you hire Dreambridge, you hire the perfect combination of Human + AI. We craft impactful digital experiences and help your team be their best selves. We design interactive experiences across Apple Vision Pro, Augmented Reality, Virtual Reality, Digital Installations, GenAI Design, Web, Mobile and new emerging technologies. And we use AI to make your human colleagues superhuman! We are a diverse team that comprises of professionals from Software, Advertising, Gaming, Design and Production. Headquartered in Amsterdam, in The Netherlands, we have worked with clients across The Netherlands, France, Sweden, Belgium, Luxembourg, Switzerland, USA and India.

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5.0 (10 review)
55 employees
Amsterdam, Netherlands
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Leaware logo

Leaware

Verified

We build the right software. We build the software right.

⭐⭐⭐⭐⭐ IT Leader Awards winner specializing in bespoke software development, Business Process Automation with AI, and digital innovation.

For almost 14 years, Leaware has been at the forefront of software development, supporting startups, SMBs, and enterprises with scalable, secure, and future-ready solutions. Our strength lies in adaptability, proven expertise, and a relentless commitment to excellence.

Why choose Leaware?

🟢 Startup Advocates – deep understanding of startup dynamics, from MVP to market entry.

🟢 Proven Track Record – trusted by Microsoft, AXA, SAP, and 100+ companies across 20 industries.

🟢 Excellence & Security – adherence to top quality and data protection standards.

🟢 Versatility – from fintech platforms to user-centric apps, always leveraging the latest tech.

🟢 Global Insight, Local Sensibility – international reach with regional expertise.

Core Services

⚫️ Mobile App Development 📱 – intuitive, scalable apps for iOS & Android.

⚫️ Web App Development 🌐 – engaging and high-performance digital platforms.

⚫️ Business Process Automation with AI 🤖 – transforming workflows by eliminating repetitive tasks, boosting efficiency, and enabling data-driven decision-making.

⚫️ Team Extension 👩‍💻👨‍💻 – flexible outsourcing to strengthen delivery and meet deadlines.

What makes us stand out?

🔵 14 years of experience – balancing legacy know-how with cutting-edge innovation.

🔵 Diverse portfolio – from global enterprises to ambitious startups.

🔵 Startup support DNA – agile methods tailored to growth challenges.

🔵 Holistic offer – blending app development, BPA with AI, and outsourcing into one integrated value proposition.

Leaware doesn’t just deliver code. We design, automate, and scale digital solutions that drive measurable business impact.

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4.9 (13 review)
50 employees
Berlin, Germany
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Underside logo

Underside

Verified

Let's make the world better, thanks to technology.

Underside has been a digital agency active for over 25 years in the digital transformation of companies.

We support companies in their projects from the creation of the idea, then through the phases of development, deployment, and maintenance of solutions.

We develop mobile applications, websites, e-commerces, management software, and are particularly fond of augmented and virtual reality, chatbots, and artificial intelligence in general.

Support for digital transformation (Design Thinking) • Application development • Graphic creations • Maintenance of Apple IT parks • Cybersecurity.

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4.8 (25 review)
16 employees
Charleroi, Belgium
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Rush logo

Rush

Verified

Design. Build. Ship. Turning Ideas into Actionable Solutions at Lightning Speed.

Rush helps clients design, develop, and maintain mobile and web applications. We deep dive into your business needs and build digital solutions to solve your problems.

5.0 (1 review)
5 employees
Nivelles, Belgium
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bscript logo

bscript

Verified

Software op maat aan betaalbare prijzen.

Het probleem dat vele ondernemingen ongetwijfeld kennen is dat complexe software op maat laten maken vaak heel duur is. Daarom hebben wij bscript opgericht om deze service betaalbaar te maken.

Wij maken platformen, web applicaties, mobiele applicaties,... allemaal naar wens van de klant. Dit allemaal rekening houdend met het budget, deadline en de scope van het project.

Niet alleen zorgen wij ervoor dat wij meer met uw budget kunnen realiseren dan een gemiddeld IT-bedrijf. Maar ook bij ons is de doorlooptijd veel kleiner waardoor uw applicatie sneller op de markt is. Ons advies is altijd vrijblijvend en gratis.

Neem gerust contact op, ook al zouden wij u niet verder kunnen helpen. Wij sturen u altijd in de juiste richting.

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5.0 (2 review)
5 employees
Beveren, Belgium
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DRJ Cloud logo

DRJ Cloud

Verified

Cloud, digital, and custom innovation, serving your growth.

DRJ Cloud is an international company specializing in digital transformation and cloud technologies.

Based in Europe, our team supports startups, SMEs, and large companies in their high-impact digital projects:

🔹 Cloud solutions & cybersecurity: integration, architecture, multi-cloud management (AWS, Azure, Google, IBM…)

🔹 Website & e-commerce development: showcase, catalog, platform, custom UX/UI

🔹 Mobile applications: iOS, Android, hybrid, SaaS, CRM, marketplaces

🔹 Digital strategy & marketing: branding, SEO, SEA, social media, automation

🔹 Branding & custom production: textiles, objects, packaging, creative design

DRJ Cloud stands out with a 360° approach, high-performance tools, an agile culture, and long-term human support.

💡 Benefits:

Payment possible in 12, 24, or 36 months

Clear quotes, short deadlines, measurable results

International, responsive, and passionate team

We don't just deliver a service: we build lasting solutions.

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4.8 (1 review)
17 employees
Namur, Belgium
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Symantra logo

Symantra

Verified

HubSpot & SalesForce CRM | Modern Extranet Community Platforms | Custom Integrations | AI Solutions

Symantra is a Tech & Growth Marketing Agency, based in Brussels and London, since 2010. Strategy + Data + Design + Technology.

Industry expertise: Associations, Financial services, Energy, Public Sector, Telecom, ...

PRODUCTS

  • Symantra Extranet - Number 1 Extranet & B2B Community Platform in Europe for Membership-based orgs & Business communities, customisable with 40+ modules
  • HubSpot & SalesForce CRMs implementation & custom integrations
  • CRM migration
  • Artificial Intelligence Solutions
  • Modern Extranet Platform /Community Hub with 40+ modules
  • Mobile Apps & Web apps
  • Online Academy Platform
  • ...

SERVICES

  • CRM / Database Migration & custom dev
  • Business Process Automations
  • Growth Marketing Automations
  • Operational Efficiency
  • Custom Web apps
  • Custom Mobile Apps ​
  • AI consulting
  • ...

TECHNOLOGIES - Full-Stack Capabilities: https://www.symantra.com/full-stack-tech-capabilities

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5.0 (1 review)
12 employees
Woluwe-Saint-Pierre, Belgium
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ORANGE BLEU logo

ORANGE BLEU

Verified

Your SaaS project deserves more than just a dev.

Hello,

I am Antoine, founder of ORANGE BLEU, an agency specializing in supporting executives and entrepreneurs who wish to launch their digital project, particularly in the field of SaaS applications.

Our expertise lies in our ability to transform entrepreneurial visions into concrete successes. We don't just advise – we structure, guide, and support every step of your project, from ideation to launch, adopting a methodical approach that has proven effective.

What sets us apart? Our ability to make the complexity of digital development accessible. We know you are an expert in your field, and our role is to give you the keys to realize your vision, even if you are not tech-savvy.

Antoine

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1.0 (0 review)
4 employees
Mons, Belgium
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Opteon logo

Opteon

Verified

A partnership based on Trust & Agility

Opteon is a Belgium-based technology software engineering company specializing in cross-platform mobile apps, modern web applications, and Microsoft-based solutions (Teams Apps, Power Platform, Azure, ...). With a team of highly skilled engineers, we combine professionalism, agility, and deep technical knowledge to deliver flexible, end-to-end digital solutions tailored to diverse business needs.

1. CTO & Business Analysis as a Service

Strategic guidance and hands-on expertise to align technology with business goals, covering architecture, product strategy, and project scoping.

2. Web & Mobile Application Development

- Native applications (iOS, Android)

- Cross-platform apps with seamless user experiences

- Modern, scalable web applications

3. Microsoft Development

- Custom solutions leveraging the Microsoft ecosystem:

- Custom Teams App Development

- Power Platform (Power Apps, Power Automate, Power BI)

- Azure-based services and integrations

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1.0 (0 review)
3 employees
Sint-Niklaas, Belgium
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The best Cross Platform Development Firms