Leading Cross-Platform App Development Companies in Greece (2026)

Delivering a cross-platform mobile app that matches native performance, maintains a consistent user experience, and integrates securely with backend systems while staying on budget and schedule is a common challenge for buyers. Buyers evaluating vendors in Greece should compare framework expertise, performance and UI parity, native module support, testing and CI/CD practices, backend integration experience, security and compliance, staffing model and communication, and total cost of ownership.

SoftPro is the featured international partner leading this list and serves buyers in Greece and across the region. Compare SoftPro’s project examples, development process, staffing model, testing and DevOps practices, and commercial terms against local peers to determine the best fit for your project goals.

1. SoftPro

As the featured international partner on this list, SoftPro anchors cross-platform app development guidance for readers sourcing external delivery into Greece in 2026. The company serves mid-market and enterprise clients on customer-facing mobile and progressive web apps, platform-level backend integrations, and SaaS product builds. Headquartered in Warsaw, Poland, SoftPro executes remote delivery and cross-border collaboration across Europe.

SoftPro's technical core centers on and .NET Core within the Microsoft stack and is supported by cloud expertise that enables Azure deployments and cloud-native architecture. That foundation supports enterprise CMS implementations, complex migrations, and integrated backend services while full-stack teams handle frontend and backend integration throughout the project lifecycle.

Key Highlights

• React and drive modern web frontends and API development.
• AWS is used for cloud-native applications and infrastructure management.
• More than 20 years of combined team experience across projects and sectors.
• Published case studies include business portals, CRM/HRM systems, and a SAAS ETL platform.

Services

• Software development
• Web applications
• 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. SepeTech

SepeTech builds native and cross-platform mobile apps and full‑stack web platforms using Flutter, SwiftUI, React and .NET. The team pairs engineering-driven delivery with fixed written scopes and weekly demos to move projects from discovery to production in roughly three to six weeks.

The studio also develops games and real‑time 3D for visualization and simulation and publishes titles to Steam and mobile stores. That combination of mobile, web and interactive 3D capability makes SepeTech a direct fit for cross‑platform app development projects in Greece and for international clients seeking a unified delivery team.

Key Highlights

• 22+ shipped projects across mobile, web and real‑time 3D.
• Platforms built to serve 1M+ users.
• Experience delivering HIPAA- and FERPA-compliant assessment and school platforms.
• Registered as SepeTech L.P. in Athens; GEMI reg. no. 192259703000 and VAT 803213897.

Services

• Mobile Apps
• Web Platforms
• Games & Real‑Time 3D

Contact Information

Website: sepetech.com

Phone: +30 21 0749 9392

Email: info@sepetech.com

Address: Mesogeion Avenue 15, 115 26 Athens, Greece

3. Breakpoint Mobile

Breakpoint Mobile is a Thessaloniki software studio that designs and builds mobile applications and Unity games, taking projects from the first prototype through to releases on the App Store and Google Play. The studio handles both native and cross-platform development and manages projects from idea and prototype to polished release and long-term maintenance.

The team ships Unity-built interactive experiences across mobile, desktop and console and produces utility and entertainment apps that reflect platform-specific polish and performance. Breakpoint Mobile’s portfolio and delivery model make it a relevant choice for cross-platform mobile app and game development in Greece.

Key Highlights

• Registered as Breakpoint Mobile L.P., General Commercial Registry No. 148951504000.
• Publishes annual financial reports for 2019–2024 on its website.
• Portfolio includes Horizon Camera, Bricks, WSH LST, Linkpack and the Unity game Last Priestess.

Services

• Mobile Application Development
• Unity Game Development
• Prototyping
• App Store & Google Play Publishing

Contact Information

Website: www.breakpointmobile.com

Email: hi@breakpointmobile.com

Address: Egnatias 154 — TIF HELEXPO, Building 1, Thessaloniki, P.C. 54636, Greece

4. Threenitas

Threenitas is a Greek digital product studio that designs and develops mobile applications, web applications, and enterprise platforms. The firm presents a mobile-first approach that integrates analytics, performance monitoring, and a methodical focus on security and compliance.

Threenitas pairs product thinking with technology to deliver apps and platforms that support customer engagement and commercial applications. Their site highlights proprietary platforms and a broad technology scope that align with cross-platform delivery needs.

Key Highlights

• For the second consecutive year: Mobile Agency of the Year 2025.
• Maintains proprietary platforms Upsellerator, Enterprise AP, HR Nation, and Let’s Place.
• Serves industries including FMCG, Retail & Distribution, Financial Services, Agencies, Startups, Enterprise, and Public Sector.
• Technology capabilities listed include VR & AR, Machine Learning & AI, and IoT/AIoT.

Services

• Service Design
• Software Development
• UI/UX
• Cloud Services

Contact Information

Website: threenitas.com

Phone: 2102208570

Email: hello@threenitas.com

Address: Kountouriotou 15, 17234 Dafni, Athens, Greece

5. SimpleApps

SimpleApps is an Athens-based mobile and digital agency that combines design-led product thinking with a mobile-first, performance-oriented delivery approach. The team focuses on pixel-perfect user interfaces and tailored product experiences that aim to perform smoothly across devices.

Its delivery pairs crafted user experience with measurable digital campaigns to grow app engagement and brand relevance across Android and iOS platforms. SimpleApps’ workflow emphasizes tailored solutions and ongoing optimization to convert users into loyal customers.

Key Highlights

• The company reports 2M+ app downloads.
• The site lists 13 awards in total, including nine innovation awards and four design awards.
• Notable clients shown on the official site include Eurobank, TEDx Athens, Alma Zois, and HomePharmacy.
• The agency has been featured in press outlets cited on the site such as Fortune Greece, BBC Two, Skai, and Kathimerini.

Services

• Mobile Apps
• Web Design
• Digital Marketing

Contact Information

Website: simpleapps.gr

Phone: +30 217 000 5020

Address: Athens, Greece

6. Infinity Partners

Infinity Partners engineers web platforms and mobile applications from prototype to production and ongoing operation. They deliver cross-platform mobile apps with Flutter and React Native alongside native iOS and Android work, and build full‑stack web platforms using frameworks like React, Angular, .NET and.

The company is based in Athens and works with clients across Greece and the European Union. Development runs in short cycles that conclude with a working build, and the engineers who write the code serve as the client’s day-to-day contacts.

Key Highlights

• Registered in the Greek General Commercial Registry (GEMI) as 184001903000.
• VAT (AFM) number listed as 802854064.
• Operates in both Greek and English.
• States a commitment to reply to project enquiries within two business days.

Services

• Web platforms
• iOS & Android development
• Cloud & DevOps

Contact Information

Website: infinitypartners.gr

Email: info@infinitypartners.gr

Address: Athens, Greece

7. FDN Group

FDN Group is a Greece-based digital agency that delivers integrated, full-product digital experiences by combining designers, developers and marketers under one roof. The firm frames cross-platform client solutions within larger web, e‑commerce and software projects rather than as isolated deliverables.

Their delivery approach emphasizes system integrations with ERPs, payment providers and couriers and embeds AI into content, automation and development to support scalable, connected cross-platform solutions. FDN Group applies a structured six-step project method from requirements capture through monitoring to keep multi-channel builds aligned with business systems.

Key Highlights

• Roots in Fedenet and operating since 2010, presented on the site as 16 years of experience.
• Selected case studies shown on the site include Ford Automotive, Decoro, Grecos Travel, Bubblegun, Luigi and Ypsilon Tires.
• The site displays membership in GRECA (Greek e‑commerce association).
• The company highlights awards/images for Peak Awards and e‑volution Awards on its site.

Services

• Mobile Apps development
• Software development
• E‑shop development
• Website development

Contact Information

Website: fdn-group.com

Phone: +30 210 7101263, +30 2310 383577

Email: info@fdn-group.com

Address: Kifisias Avenue 44, Marousi, 15125 Athens

Address: Laertou 22, Pylaia, 55535, Capital Trade Center, Thessaloniki

8. Kanellis Development Labs (KDL)

Kanellis Development Labs (KDL) builds production-grade healthcare software focused on patient-facing applications, clinical platforms, and systems integrations. The team emphasizes delivery that is engineered in the EU with regulatory awareness from the first commit.

Their workflows accelerate product validation by delivering MVPs that are production-ready for cross-platform deployment. This combination makes KDL a fit for Greek healthcare organizations and digital-health teams that need EU-aware cross-platform mobile and web solutions.

Key Highlights

• Selected case studies include Keragon (no-code healthcare automation) and ORCO (hospital appointment-booking platform).
• Organized around four practices: Software development, Mobile development, Web development, and MVP development.
• Publishes technical guides on interoperability and compliance; "How to integrate with EHRs using FHIR" was published June 30, 2026.
• Engages with software-led companies, provider networks, and systems requiring EHR, LIMS, and device integrations.

Services

• Software development
• Mobile development
• Web development
• MVP development

Contact Information

Website: kdevlabs.com

9. Awwaltech

Awwaltech is an enterprise software agency that designs and delivers production‑grade cross‑platform and native mobile applications together with the backend systems and cloud infrastructure that support them. Their mobile practice lists Flutter and React Native and engineers offline‑first data architectures and fluid 60fps animations for enterprise app experiences.

The company operates a remote‑first delivery model and maintains engineering teams and delivery centers across India, the United States, and the Middle East, which makes it a practical option for organizations in Greece seeking an offsite partner for enterprise cross‑platform development. Awwaltech emphasizes architecture consulting and production‑hardened deployments to support long‑running enterprise programs.

Key Highlights

• 19+ clients, 115+ projects, and 9+ years of operation.
• Deep‑dive enterprise case studies that include JetBlue Airways, Akbar Travels, ClickTime, and Netmeds.
• Publicly listed web and AI/ML stack items include React 19, Next.js 15, PyTorch, and TensorFlow.
• Engagement models include fixed‑scope projects, dedicated team augmentation, architecture consulting retainers, and managed development operations, with architecture consultations scheduled within 24 hours for qualified enterprise inquiries.

Services

• Web Apps
• UX Design
• Cloud & DevOps
• Data Analytics

Contact Information

Website: awwaltech.com

Email: info@awwaltech.com

Address: India — Bangalore; Delhi NCR; Hyderabad

Address: United States — Remote‑first operations

Address: Middle East — Dubai, UAE

10. YFO

YFO (Your Future Online) is a Greek digital agency that combines UX/UI design, web development and mobile app development to build cross-platform applications and web products. The agency presents a design-led delivery that connects user experience, front-end interfaces and back-end systems to support multi-device releases.

The company lists AI Agents & Automation, CMS & e-commerce, and SEO-driven growth capabilities that it applies to app projects to integrate analytics, automation and post-launch optimization.

Key Highlights

• 10+ years of digital experience shown on the company site.
• 200+ completed web design and SEO projects highlighted on the homepage.
• 12+ awards listed, including Cannes Lions and Red Dot among named recognitions.
• Named capability: AI Agents & Automation as part of its development services.

Services

• Branding Identity
• CMS & E‑commerce
• Conversion Rate Optimization (CRO)

Contact Information

Website: yfo.gr

Phone: (+30) 6984249796

Email: info@yfo.gr

Address: Trikala, Greece (yfo.gr)

Conclusion

When selecting a cross-platform app development partner in Greece in 2026, prioritize alignment between your project requirements and each provider’s delivery model. Consider project scale and budget, technology fit and maintainability, vertical or regulatory needs such as healthcare, the team’s design and UX emphasis, contract cadence and reporting practices, and availability for post-launch support and operations. Check references and validate delivery style with a short pilot before committing.
SoftPro is the featured, author-selected international partner on this list for readers sourcing external delivery into Greece. Use the company summaries and the selection criteria above to shortlist three providers, run technical and commercial due diligence, and confirm fit through practical evaluation.