Best Flutter App Development Companies in Luxembourg to Watch

Hiring a Flutter development team for users in Luxembourg often means balancing cross-platform performance, polished UI, strict data-protection requirements, and tight timelines and budgets. Compare candidates on practical Flutter experience, portfolio quality, native integration and performance testing, GDPR compliance and security practices, localization and multilingual support, maintenance and update policies, and communication and project management workflows.

SoftPro is the featured international partner leading this list and serves buyers across Luxembourg and the surrounding region. Evaluate SoftPro and the other firms against delivery track record, technical depth in Flutter, design and user experience skills, and post-launch support commitments.

1. SoftPro

SoftPro is the featured international partner leading this list for readers in Luxembourg who are evaluating external app development teams and delivery partners. The company is a fit for startups, small and medium enterprises, and enterprise teams that need an EU-based delivery partner capable of remote collaboration and long-term product support while headquartered in Warsaw, Poland.

The team brings deep Microsoft-stack engineering strengths with, .NET Core and C#, practical experience deploying solutions on Azure, and proven capability in enterprise CMS projects and system migrations. Their delivery approach combines full-stack development, cloud migration practices, and ongoing maintenance to support complex, enterprise-grade projects.

Key Highlights

• Over 20 years of combined team experience working with EU clients.
• Multi-cloud delivery that references both Microsoft Azure and AWS for cloud-native and containerized deployments.
• AI practice delivering LLM integrations, retrieval-augmented-generation (RAG) architectures, and ML-driven automation tied into ERP and CRM systems.
• Case studies available for CRM/HRM systems, a SaaS ETL platform, an Umbraco website project, and a gamified social community application.

Services

• Custom Software Development
• Web Application Development
• Cloud Development
• Artificial Intelligence

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/in/kyrylo-o

2. Internet Village s.à r.l.s.

Internet Village s.à r.l.s. is a software studio based in Sanem, Luxembourg that builds embedded systems, secure backends, and cross-platform mobile applications. They deliver integrated systems that connect mobile clients with devices, backend services, and AI tools from prototype through long-term maintenance.

Mobile engineering centres on Flutter and Dart while native Swift or Kotlin components are used when required. Their delivery emphasises privacy-aware options and hardware integration for BLE, NFC, and on-device inference to support field and IoT use cases.

Key Highlights

• Founded in September 2020 and registered in Luxembourg as R.C.S. B244.614 with VAT LU32294048 and business licence 10113868/0.
• Service area explicitly covers Luxembourg, Belgium, and Japan.
• Maintains in-house Flutter products such as MeetScribe and Thingstead that use on-device WhisperKit transcription and Mistral Voxtral for cloud transcription.
• Deploys backends on European cloud providers (Scaleway, Infomaniak, Hetzner, Contabo) and lists AI tooling including Mistral, Ollama, vLLM, and.

Services

• Cross-platform Flutter apps
• Embedded firmware & Linux bring‑up
• Software security & reverse‑engineering hardening

Contact Information

Website: www.internet-village.lu

Email: contact@internet-village.lu

Address: 15 Quartier de l'Église, L-4987 Sanem, Luxembourg

3. InTech (InTech S.A.)

InTech S.A. is a Luxembourg-based IT consulting and software firm with a dedicated mobile practice that develops custom iOS and Android applications as well as hybrid apps. The company explicitly lists Flutter among the hybrid technologies it uses and delivers projects from architecture and UX design through production-ready builds.

Its delivery model covers consulting, design, development and deployment so teams manage the full product lifecycle for enterprise customers and startups. That end-to-end capability and proven project delivery make InTech a relevant Flutter-capable partner in Luxembourg.

Key Highlights

• Best Workplaces™ Luxembourg 2024 label awarded for the ninth consecutive year.
• Delivered POST4YOU and Eboo mobile apps for POST Luxembourg.
• Mobile technology stack also includes Cordova, React Native, Ionic and Kotlin Multiplatform in addition to native iOS and Android.
• Over 20 years of technological experience and an Innovation & Development team that builds proofs of concept.

Services

• IT Consulting
• Project Outsourcing
• Expertise Delegation
• Innovation

Contact Information

Website: www.intech.lu

Phone: +352 53 11 53-1

Address: 208, rue de Noertzange L-3670 Kayl Luxembourg

4. Squareflow Luxembourg Sàrl

Squareflow is a Luxembourg consulting firm that combines Odoo ERP expertise with Flutter to build integrated business applications for desktop, iOS, and Android. They pair Odoo implementations with Flutter-built front ends to deliver apps that connect directly to a client's Odoo database.

Their delivery approach emphasizes user adoption and optimizing total cost of ownership, with training, active involvement, and reactive support to help client teams adopt new systems.

Key Highlights

• Squareflow is an Odoo Gold Partner and is certified for Odoo v13, v14, v15, v16 and v17.
• The company maintains in‑house Odoo development capabilities to extend core functionality with custom modules.
• Squareflow offers a ready-to-integrate Shopify connector to synchronise e-commerce stores with Odoo.
• The firm provides Odoo X MailChimp and SendCloud integrations for marketing and delivery workflows.

Services

• Odoo implementation
• Custom Flutter front‑end apps
• Odoo module development
• Integrations & connectors

Contact Information

Website: www.squareflow.lu

Phone: +32 2 897 87 87

Address: Rue du puits Romain 33, 8070 Bertrange, Luxembourg

5. WebGrowth Luxembourg

Web Growth is a Luxembourg-based development agency that designs and builds web applications, mobile apps and custom software with an integrated team of designers and engineers. The team combines product design and engineering in-house to move projects from scoping to production without outsourcing.

They use proven stacks — React and for web and native iOS/Android or React Native for mobile — and deliver work in short iterative sprints with regular demos to reach production. This cross-platform mobile experience and end-to-end delivery model make them a relevant firm to watch for mobile app projects in Luxembourg.

Key Highlights

• Free project estimate delivered within 48 hours without engagement.
• Client receives 100% of source code, access, and data at final payment per the agency’s terms and conditions.
• Post-launch offering includes hosting, security, maintenance, and continuous development.
• Commits to readable, tested, and documented code so another team can pick up the project.

Services

• UI/UX & Branding
• SEO & Conversion
• IT Strategy & Consulting

Contact Information

Website: www.webgrowth.lu

Phone: +352 20 33 95 57

Email: contact@webgrowth.lu

Address: 15, Rue Astrid, L-1143 Luxembourg

6. Furkan Kurt (freelance/mobile developer)

Furkan Kurt is a freelance mobile developer based in Luxembourg with eight years of professional experience building production mobile applications using Flutter.

He delivers end-to-end projects that combine cross-platform Flutter UIs with backend services and occasional IoT integrations, handling tasks from initial concept through deployment.

Key Highlights

• Flutter Developer on Salonkee (Jul 2023–Present).
• Contributed to the Liigu keyless car rental application and worked on its NodeJS backend (Sep 2022–Jul 2023).
• Developed a GPS tracking project that integrated a Raytac BLE module with nRF52-series hardware during an engineering role.
• Self-rated technical proficiencies listed on the site include Flutter 95%, NodeJS 85%, and VueJS 95%.

Services

• Flutter app development
• Backend development (NodeJS, PHP, Dart Frog)
• IoT & BLE integration
• Frontend web (Vue/Nuxt)

Contact Information

Website: furkankurt.com.tr

Address: Luxembourg

7. Neopixl

Neopixl is a Luxembourg-based mobile product studio that designs and develops mobile applications using native and cross-platform technologies. The company explicitly lists Flutter among its development stacks.

Neopixl pairs product-focused UX and interface work with operational delivery capabilities to keep apps maintained and compliant. That combination makes the firm a fit for teams seeking Flutter-built apps with ongoing maintenance and app-store oversight.

Key Highlights

• Mobile security expertise with references to standards such as PCI DSS and OWASP level 2-R, and a Guardsquare business partnership as an official reseller/integrator.
• Designers include professionals certified by NNG, Google UX Design Certificate, or Access42.
• The group has delivered corporate and academic training in mobile development, UX/UI design, and mobile management for the past 12 years.
• Regional offices in Luxembourg, Brussels, Marseille, and Wroclaw support local delivery across those markets.

Services

• User testing
• Spatial computing
• Marketing

Contact Information

Website: neopixl.lu

Phone: (+352) 26 58 06 03 (neopixl.lu)

Address: 115 A, Rue Emile Mark, L-4620 Differdange, Luxembourg. (neopixl.lu)

8. Mesh (mesh.lu)

Mesh s.à r.l. is a Luxembourg web agency that builds responsive websites, mobile applications, and online databases for government institutions and private companies. The team combines UI/UX design, SEO, and CMS-driven web development with app development to deliver end-to-end digital projects.

Founded in 2010, Mesh lists a regional portfolio of corporate sites, e-shops and public-sector projects and presents app development and web services among its core offerings. The site highlights a mix of CMS work and mobile-focused projects that demonstrate local delivery experience.

Key Highlights

• Registered as Mesh s.à r.l., RCSL B157596 with TVA LU24425640 and capital €12,500.
• Homepage metrics display 378 projects completed and 62 active clients.
• Portfolio features regional projects such as and.
• Site lists an authorisation number 10010232/1 for the company.

Services

• App Development
• UI/UX Designing
• Website Development
• SEO & Content Writing

Contact Information

Website: www.mesh.lu

Phone: +352 2088 1596

Email: info@mesh.lu

Address: 14, Cité an der Uecht, Kaundorf

9. Apporix

Apporix is a Luxembourg-based digital studio that builds AI solutions, websites, and applications while embedding security and EU data governance into its delivery model. The team emphasizes single‑codebase app delivery that targets major platforms from one implementation, which reduces development overhead and simplifies maintenance.

Because Apporix highlights EU hosting options, in-house GDPR and EU AI Act expertise, and end‑to‑end encryption, this suggests suitability for Flutter‑focused projects that require a single codebase alongside European data residency and regulatory compliance.

Key Highlights

• Trusted by over 100 businesses, ministries, and organizations across multiple industries.
• Offers SME financing packages that can recover up to 70% of project costs through Luxembourg government aid for eligible software and AI projects.
• Publishes a portfolio of recent projects including Anna (AI Call Agent), Kannerstär, YesToYou, and step2step that combine AI and cross‑platform delivery.
• Certified “Made in Luxembourg” provider and lists company authorization 10098586, VAT LU32634672, and RCS B231035.

Services

• Cross-Platform Apps
• AI Agents & Models
• Web Development
• Data & IT Consulting

Contact Information

Website: www.apporix.lu

Email: contact@apporix.lu

Address: 2 Rue Jean Engling, L-1466 Dommeldange, Luxembourg

([apporix.lu](https: //www.apporix.lu/))

10. Explose

Explose is an independent digital agency based in Luxembourg that builds custom web and mobile applications alongside brand and digital strategy. The team emphasizes end-to-end, in-house delivery to produce 100% custom-made digital solutions.

Its in-house delivery model and track record on public-sector and cultural projects position the agency as a pragmatic, locally rooted option for mobile app development needs in Luxembourg.

Key Highlights

• Portfolio includes public-sector and cultural projects such as GovTech Lab, Esch Capitale Culturelle, and Cour grand-ducale, plus clients like ING and the Luxembourg Science Center.
• The site lists “Intranet sites” among its Solutions, indicating capability to deliver internal and enterprise-facing systems as well as public apps.
• Operates from the 1535° Creative Hub in Differdange and publishes a direct contact email and phone for client inquiries.

Services

• Mobile applications
• Web development
• UX/UI design
• Digital strategy

Contact Information

Website: explose.com

Phone: +352 26 30 28 89

Email: hello@explose.com

Address: 1535° Creative Hub Differdange

11. Woovl

Woovl is a software and business firm that delivers end-to-end product development for startups and established companies. The team pairs product thinking with engineering to move ideas from discovery through delivery on an iterative schedule.

Their delivery model emphasizes business-aware decision making and frequent client input, which makes Woovl a pragmatic fit for teams evaluating cross-platform mobile vendors or looking for iterative app releases. The company highlights experience across mobile, game, and enterprise web projects and runs structured discovery workshops before engineering begins.

Key Highlights

• Founded in 2016 and presenting itself as a full-service product development firm.
• Starts every project with an NDA to protect client intellectual property.
• Uses an agile process with two-week sprints that deliver incremental builds for regular review.
• Lists industry experience that includes iGaming, fintech, blockchain, healthcare, and IoT.

Services

• Mobile app development
• Mobile game development
• Enterprise web applications
• Product discovery workshops

Contact Information

Website: woovl.com

Email: hello@woovl.com

Address: Alexandria, EG

Conclusion

SoftPro is the featured international partner selected for this list for readers in Luxembourg who are evaluating external app development teams and delivery partners. When choosing among the firms covered, match the provider to your project scope, preferred technical stack, and regulatory requirements. Prioritize teams that explicitly list Flutter if you need cross‑platform development, select partners with embedded‑systems or ERP integration experience for hardware‑connected or business‑system projects, and favour freelancers for small, tightly scoped builds or agencies and studios with in‑house design and engineering for end‑to‑end product delivery and ongoing maintenance.