Frankfurt's fintech software market includes specialist development teams, banking technology consultancies, payment engineering firms, and larger IT providers with dedicated financial services practices. The companies below were selected for verifiable fintech or financial software capabilities and a clear connection to Frankfurt, the Rhine-Main region, or the German financial services market.
1. Itexus
Itexus develops custom financial software for banks, fintech companies, investment firms, lenders, and other financial services businesses. Its portfolio covers digital banking, wealth and investment platforms, payment infrastructure, lending systems, trading software, digital wallets, KYC automation, fraud detection, and core banking integrations. The company also works on legacy modernization and AI-powered financial products.
Itexus has development operations in Europe and serves financial organizations internationally, including clients in Germany. Its engineering model is particularly relevant for companies that need an external team for complex, regulated, integration-heavy fintech products rather than a general-purpose app studio.
Key Facts
- Core services: Fintech software development, banking apps, trading software, lending software, payment solutions, AI development
- Best for: Complex fintech platforms and regulated financial products
- Specialization: Banking, wealth management, payments, lending, trading
- Geographic coverage: Germany and wider European market
- Delivery options: Full-cycle development and dedicated fintech engineering teams
Contact Information
- Website: itexus.com
- E-mail: moc.suxeti@ofni
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- LinkedIn: www.linkedin.com/company/itexus-fintech-software
- Instagram: www.instagram.com/itexus.soft
- Address: Żurawia 6/12/lok 766, 00-503 Warszawa, Poland
2. GFT Technologies
GFT combines software engineering with a strong concentration on banking and financial services. Its work includes digital banking, core banking modernization, open banking infrastructure, payment systems, trading and settlement platforms, digital assets, cloud migration, AI, and data-driven financial applications.
The company has multiple operations in the Frankfurt area, including offices in Frankfurt am Main and Eschborn. Its financial services practice is suited to larger transformations where a company needs software engineering alongside integration, architecture, cloud, and modernization capabilities. GFT also works with cloud-native core banking platforms and API-first architectures for financial institutions.
Key Facts
- Best for: Large banking and financial technology programs
- Core services: Software engineering, core banking modernization, cloud, AI, digital banking, integrations
- Specialization: Banking, capital markets, asset management, payments
- Location: Frankfurt am Main and Eschborn, Germany
- Technologies: Cloud-native systems, APIs, AI, data platforms
Contact Information
- Website: www.gft.com
- Facebook: www.facebook.com/gfttechnologies
- Twitter: x.com/gft\_tech
- LinkedIn: www.linkedin.com/company/gft-technologies
- Instagram: www.instagram.com/gft\_tech
- Address: Savignystraße 34, 60325 Frankfurt am Main
3. Cofinpro
Frankfurt-based Cofinpro works almost exclusively around banking, investment services, lending, securities, and payments. The company combines management and domain consulting with technology implementation, making it particularly relevant when software development has to reflect established banking processes and regulatory requirements.
Its project references include fund distribution platforms, robo-advisory, payment innovation, consumer lending digitization, regulatory reporting architectures, customer portals, blockchain projects, and AI-supported banking systems. Cofinpro also employs mobile, Java, .NET, data, and platform engineers for projects with German financial institutions.
Key Facts
- Best for: German banks and asset management companies
- Core services: Financial software development, technology consulting, data platforms, mobile apps, AI
- Specialization: Lending, securities, payments, banking technology
- Location: Frankfurt am Main, Germany
- Founded: 2007
Contact Information
- Website: cofinpro.de
- E-mail: ed.orpnifoc@emoclew
- Facebook: www.facebook.com/Cofinpro
- LinkedIn: www.linkedin.com/company/cofinpro
- Instagram: www.instagram.com/cofinpro\_ag
- Address: Hanauer Landstraße 211, 60314 Frankfurt am Main
- Phone: +49 69 299 20 87 60
4. adesso
adesso has a substantial banking technology practice covering custom software development, architecture, legacy modernization, deployment, operations, AI, and digital financial services. Its banking teams work on projects where standard software cannot fully support the institution's processes or integration requirements.
The company maintains a Frankfurt office and combines local delivery with the resources of a large German IT organization. Its financial services experience makes it appropriate for established banks and regulated companies planning modernization programs, custom applications, or integration-heavy projects rather than isolated consumer app development.
Key Facts
- Best for: Enterprise banking software and modernization
- Core services: Custom development, architecture, AI, legacy modernization, system integration
- Specialization: Banking and financial services
- Location: Frankfurt am Main, Germany
- Project type: Large-scale enterprise and regulated IT programs
Contact Information
- Website: www.adesso.de
- E-mail: ed.osseda@trufknarf-eciffo
- Facebook: www.facebook.com/adessoSE
- LinkedIn: www.linkedin.com/company/adesso-se
- Instagram: www.instagram.com/adesso\_se
- Address: Hahnstraße 55, 60528 Frankfurt/Main, Germany
- Phone: +49 69 668157-0
5. Quipu
Quipu is a Frankfurt-based banking technology company focused on software and IT services for financial institutions. Its historical and current positioning centers on banking systems rather than general custom software development.
The company's capabilities cover banking applications, electronic banking, lending processes, treasury operations, CRM, data warehousing, analytics, cards, and supporting IT infrastructure. This financial-sector concentration makes Quipu relevant to banks and fintech companies that need domain-specific development and implementation expertise. Its headquarters are located directly in Frankfurt am Main.
Key Facts
- Best for: Banking platforms and financial institution IT
- Core services: Banking software, implementation, IT services, data and analytics
- Specialization: Commercial banking, lending, cards, electronic banking
- Location: Frankfurt am Main, Germany
- Founded: 2004
Contact Information
- Website: www.quipu.de
- E-mail: ed.upiuq@ofni
- Facebook: www.facebook.com/QuipuIT
- Twitter: x.com/QuipuIT
- LinkedIn: www.linkedin.com/company/quipu-gmbh
- Instagram: www.instagram.com/quipuit
- Address: Königsberger Straße 1, 60487 Frankfurt am Main
- Phone: +49 69 50 69 90-0
6. valantic FSA
valantic Financial Services Automation develops software specifically for financial institutions. Its Frankfurt operation works on electronic trading, payments, transaction automation, post-trade workflows, data integration, and core banking connectivity.
The portfolio includes electronic trading applications for fixed income, equities, derivatives, and repo markets, plus payment infrastructure that supports real-time processing, ISO 20022, routing, validation, message conversion, and integration with existing banking systems. Unlike broad consulting firms, valantic FSA also maintains its own financial software platforms and products.
Key Facts
- Best for: Trading, payments, and financial workflow automation
- Core services: Financial software, system integration, workflow automation, managed services
- Specialization: Electronic trading, payments, post-trade operations
- Location: Frankfurt am Main, Germany
- Target clients: Banks, brokers, asset managers, financial institutions
Contact Information
- Website: fsa.valantic.com
- Twitter: x.com/valantic\_FSA
- LinkedIn: www.linkedin.com/company/valantic-fsa
- Address: Mainzer Landstraße 193, 60326 Frankfurt am Main
- Phone: +49 69 50952-0
7. Syngenio
Syngenio combines independent IT consulting with custom software development, with a pronounced focus on banking and digital payments. The company develops both customized applications and reusable payment solutions, covering work from solution design through implementation, testing, and application management.
Its financial technology experience includes real-time payments, open banking, eBanking, payment applications, legacy modernization, cloud-enabled banking systems, and regulatory projects. Syngenio has a Frankfurt office and has worked in regulated markets for more than two decades.
Key Facts
- Best for: Payment and eBanking projects
- Core services: Software development, IT consulting, application management, implementation
- Specialization: Banking, payments, regulated financial IT
- Location: Frankfurt am Main, Germany
- Founded: 2001
Contact Information
- Website: syngenio.com
- E-mail: ed.oinegnys@ofni
- LinkedIn: www.linkedin.com/company/syngenio-ag
- Instagram: www.instagram.com/syngenio
- Address: Gervinusstraße 17, 60322 Frankfurt a.M.
- Phone: +49 89 436 302 900
8. Exxeta
Exxeta combines custom software engineering with financial services consulting. Its banking work covers lending, capital markets, payments, regulatory technology, cloud infrastructure, and modernization of financial applications.
The company's Frankfurt teams work on software projects involving Java and Python backends, microservices, APIs, cloud platforms, investment processes, securities systems, and regulated data architectures. Published projects include development work for MLP Banking and modernization programs for major German financial institutions. Exxeta is therefore suited to financial companies that need both engineering and domain knowledge within the same delivery team.
Key Facts
- Best for: Custom banking and capital markets software
- Core services: Custom development, cloud, APIs, DevOps, mobile apps, data engineering
- Specialization: Banking, investment, payments, regulatory technology
- Location: Frankfurt am Main, Germany
- Project types: Custom applications and financial platform modernization
Contact Information
- Website: exxeta.com
- LinkedIn: www.linkedin.com/company/exxeta
- Instagram: www.instagram.com/exxeta
- Address: Taunusanlage 17, 60325 Frankfurt am Main
- Phone: +49 69 9451-99915
9. d-fine
d-fine is headquartered in Frankfurt and combines quantitative financial expertise with software development and implementation. Its Banking & Capital Markets practice works with banks, fintechs, exchanges, clearing houses, regulators, and central banks.
The technology teams build custom solutions in languages including Java, Python, and C/C++, and work on areas such as risk platforms, payments, trading, regulatory systems, data architectures, and digital assets. Published work includes a cloud-native risk platform for a German bank and backend development for a tokenization platform used by a German stock exchange.
Key Facts
- Best for: Quantitative and technology-heavy financial systems
- Core services: Software development, architecture, data engineering, implementation, analytics
- Specialization: Banking, capital markets, fintech, risk
- Location: Frankfurt am Main, Germany
- Headquarters: Frankfurt
Contact Information
- Website: www.d-fine.com
- E-mail: ed.enif-d@trufknarf
- LinkedIn: www.linkedin.com/company/d-fine
- Instagram: www.instagram.com/dfine.consulting
- Address: An der Hauptwache 7, 60313 Frankfurt am Main, Germany
- Phone: +49 69 90737-0
10. msg for banking
msg for banking develops both standard and custom IT solutions specifically for the banking sector. Its offering combines business consulting, individual software development, system integration, and established banking platforms.
Technical teams work across payments, capital markets, risk, compliance, finance, customer experience, and digital transformation. Current Frankfurt-based engineering positions also cover C++ banking applications, cloud engineering, software architecture, and development work for financial institutions. The company fits projects where deep knowledge of German banking infrastructure and regulation is as important as software implementation.
Key Facts
- Best for: German banking systems and enterprise transformation
- Core services: Custom development, standard software, system integration, cloud
- Specialization: Banking, payments, capital markets, risk and compliance
- Frankfurt presence: Banking engineering teams operate in Frankfurt
- Parent organization: msg group
Contact Information
- Website: www.msgforbanking.de
- E-mail: info-puorg.gsm@gniknab
- Facebook: www.facebook.com/msgforbanking
- LinkedIn: www.linkedin.com/company/msgforbanking
- Address: Amelia-Mary-Earhart-Straße 14, 60549 Frankfurt a. M.
- Phone: +49 69 580 045 - 0
11. Fincon Reply
Fincon Reply focuses on business and IT transformation for banks, insurance companies, and related financial organizations. Its technology offering includes frontend and backend development, cloud migration, data management, AI, testing, integration, and modernization of core systems.
More than 200 technology specialists work across its consulting and development teams, and its financial projects cover payments, banking platforms, regulatory systems, and application landscapes. Fincon Reply also operates from Frankfurt through the Reply office network, giving financial institutions access to local project support alongside the wider technical capabilities of Reply.
Key Facts
- Best for: Banking system transformation and technical consulting
- Core services: Development, cloudification, testing, AI, data management
- Specialization: Banks, payments, core systems, insurance technology
- Location: Frankfurt and other German offices
- Delivery options: Individual specialists, project teams, end-to-end delivery
Contact Information
- Website: www.reply.com
- Address: Uhlandstr. 2, 60314 Frankfurt
- Phone: +49 (0) 69 9999937-0
12. fiftyfive development
fiftyfive development is a smaller Frankfurt software studio with direct experience in regulated financial platforms. The team develops custom web and mobile applications and supports projects from initial architecture through implementation and ongoing operation.
Its founders bring product and development leadership experience from digital wealth management, including responsibility for regulated financial platforms. That gives fiftyfive a more specialized financial background than a typical local app agency. The studio can be relevant for fintech businesses that prefer a compact engineering team for a focused product, platform component, or custom application.
Key Facts
- Best for: Smaller fintech and wealth technology projects
- Core services: Custom web development, app development, architecture, maintenance
- Specialization: Regulated financial applications
- Location: Frankfurt am Main, Germany
- Team profile: Product and engineering experience in digital wealth management
Contact Information
- Website: www.fiftyfive.dev
- E-mail: ved.evifytfif@olleh
- LinkedIn: www.linkedin.com/in/tom-henneken-375063180
- Instagram: www.instagram.com/fiftyfive.dev
- Address: Zeil 109, 60313 Frankfurt am Main
- Phone: +49 15678 369487
13. Context Studios
Context Studios develops custom software and AI systems for organizations in Frankfurt and the wider Rhine-Main region. Although the company itself is Berlin-based, it explicitly serves Frankfurt banks and financial services teams remotely and on-site.
Its work combines web and backend development with AI, integrations, document processing, data pipelines, and internal automation. The company also offers EU hosting and on-premise deployment options for projects involving regulated financial data. Context Studios is most relevant for focused fintech MVPs, AI-enabled internal applications, workflow systems, or integrations rather than large core banking transformation programs.
Key Facts
- Best for: AI-enabled fintech tools and focused custom applications
- Core services: Custom software, backend development, AI, system integration
- Specialization: Finance, insurance, process automation
- Frankfurt coverage: Remote and on-site delivery across Rhine-Main
- Deployment options: EU hosting and on-premise
Contact Information
- Website: www.contextstudios.ai
- E-mail: ia.soidutstxetnoc@olleh
- Facebook: www.facebook.com/people/Context-Studios-AI-Native-Development-Studio-Berlin
- Twitter: x.com/\_contextstudios
- LinkedIn: www.linkedin.com/company/contextstudios-ai
- Instagram: www.instagram.com/\_contextstudios
- Address: Kaiser-Friedrich-Straße 6, 10585 Berlin
- Phone: +49 30 20096840
14. GOLLE IT
GOLLE IT is a Frankfurt-rooted software company developing mobile apps, web platforms, backend systems, and AI integrations. The firm was founded in Frankfurt in 2010 and continues to serve organizations throughout the Rhine-Main region, although its team has operated remote-first since 2025.
Its stack includes Flutter, React, Next.js, Node.js, Python, cloud infrastructure, APIs, and AI technologies. The portfolio is broader than financial services, so GOLLE IT fits fintech companies that need general product engineering rather than deep core banking expertise. Its published work includes a project for payment company Concardis, now part of Nets Group.
Key Facts
- Best for: Fintech apps, web platforms, and MVP development
- Core services: App development, web platforms, AI solutions, UI/UX, consulting
- Technologies: Flutter, React, Next.js, Node.js, Python, AWS and GCP
- Market presence: Frankfurt and Rhine-Main
- Founded: 2010
Contact Information
- Website: www.golle-it.de
- E-mail: ed.ti-ellog@olleh
- LinkedIn: www.linkedin.com/company/golle-it
- Address: Berger Straße 125, 60385 Frankfurt am Main
- Phone: +49 69 348 789 10-0
Conclusion
The Frankfurt fintech market offers providers with very different areas of expertise, from core banking and payment infrastructure to AI development, trading systems, and custom fintech applications. Companies with a strong local presence can be useful for projects requiring close cooperation with German financial institutions, while providers serving the wider Rhine-Main and European markets can bring broader engineering capacity. The right choice depends on the project's technical scope, financial domain, existing infrastructure, and required level of development support. This list provides a starting point for comparing providers and identifying teams whose expertise matches the requirements of a particular fintech project.