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 builds custom financial software for banks, fintech companies, investment firms, lenders, and other financial services businesses. It builds digital banking, wealth and investment platforms, payment infrastructure, lending systems, trading software, and digital wallets. It also delivers KYC automation, fraud detection, and core banking integrations. The company modernizes legacy systems and builds AI-powered financial products.
Itexus has development operations in Europe and works with financial organizations worldwide, including clients in Germany. Its engineering model fits companies that need an outside team for complex, regulated fintech products with many integrations, not 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: Twarda 14, 00-824 Warszawa, Poland
2. GFT Technologies
GFT pairs software engineering with a strong focus on banking and financial services. It works on digital banking, core banking modernization, open banking infrastructure, payment systems, and trading and settlement platforms. It also covers digital assets, cloud migration, AI, and data-driven financial applications.
The company has several sites in the Frankfurt area, including offices in Frankfurt am Main and Eschborn. Its financial services practice suits large transformations that need engineering, integration, architecture, cloud, and modernization work together. GFT also builds on 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 only on banking, investment services, lending, securities, and payments. It combines management and domain consulting with technology delivery. That helps when software has to follow established banking processes and regulatory requirements.
Its projects include fund distribution platforms, robo-advisory, payment innovation, consumer lending digitization, and regulatory reporting architectures. Cofinpro has also built customer portals, blockchain projects, and AI-supported banking systems. It employs mobile, Java, .NET, data, and platform engineers for work 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 runs a large banking technology practice. It covers custom software development, architecture, legacy modernization, deployment, operations, AI, and digital financial services. Its banking teams take on projects where standard software cannot fully support a bank's processes or integration needs.
The company has a Frankfurt office and backs local delivery with the resources of a large German IT organization. It suits established banks and regulated companies planning modernization programs, custom applications, or projects with heavy integration. It is less of a match for a single consumer app.
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 that builds software and provides IT services for financial institutions. It has always centered on banking systems rather than general custom software.
Quipu works on banking applications, electronic banking, lending processes, treasury operations, CRM, and data warehousing. It also covers analytics, cards, and supporting IT infrastructure. Banks and fintech companies that need developers with banking domain knowledge should look at Quipu. Its headquarters are 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 builds software only for financial institutions. Its Frankfurt team works on electronic trading, payments, transaction automation, post-trade workflows, data integration, and core banking connectivity.
It offers electronic trading applications for fixed income, equities, derivatives, and repo markets. Its payment infrastructure handles real-time processing, ISO 20022, routing, validation, and message conversion, and connects to 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, focusing on banking and digital payments. It builds both custom applications and reusable payment solutions. Its teams handle solution design, implementation, testing, and application management.
Syngenio has worked on real-time payments, open banking, eBanking, payment applications, and legacy modernization. It also covers cloud-enabled banking systems and regulatory projects. The company 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 modernizing financial applications.
Its Frankfurt teams build Java and Python backends, microservices, APIs, and cloud platforms. They also work on investment processes, securities systems, and regulated data architectures. Published projects include development for MLP Banking and modernization programs at major German financial institutions. Exxeta suits financial companies that want engineering and domain knowledge in one 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 finance expertise with software development and implementation. Its Banking & Capital Markets practice works with banks, fintechs, exchanges, clearing houses, regulators, and central banks.
Its engineers build custom solutions in Java, Python, and C/C++. They work on risk platforms, payments, trading, regulatory systems, data architectures, and digital assets. Published work includes a cloud-native risk platform for a German bank. d-fine also did 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 builds both standard and custom IT solutions for the banking sector. It offers business consulting, individual software development, system integration, and its own established banking platforms.
Its technical teams work on payments, capital markets, risk, compliance, finance, customer experience, and digital transformation. Its Frankfurt engineers also cover C++ banking applications, cloud engineering, and software architecture for financial institutions. Pick it when deep knowledge of German banking infrastructure and regulation matters as much as the code.
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 helps banks, insurers, and related financial organizations change their business and IT. It offers frontend and backend development, cloud migration, data management, AI, and testing. It also handles integration and modernization of core systems.
More than 200 technology specialists work in its consulting and development teams. Its financial projects cover payments, banking platforms, regulatory systems, and application landscapes. Fincon Reply also works from Frankfurt through the Reply office network. Financial institutions get local project support plus the wider technical reach 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 small Frankfurt software studio with direct experience in regulated financial platforms. The team builds custom web and mobile applications. It supports projects from the first architecture through implementation and ongoing operation.
Its founders led product and development in digital wealth management, including running regulated financial platforms. That gives fiftyfive deeper financial experience than a typical local app agency. The studio fits fintech businesses that want a compact 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 builds custom software and AI systems for organizations in Frankfurt and the wider Rhine-Main region. The company is based in Berlin but serves Frankfurt banks and financial services teams both remotely and on-site.
Its work combines web and backend development with AI, integrations, document processing, data pipelines, and internal automation. For projects with regulated financial data, it offers EU hosting and on-premise deployment. Context Studios is best for focused fintech MVPs, AI-enabled internal tools, workflow systems, or integrations. It is not aimed at large core banking transformations.
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 software company with roots in Frankfurt that builds mobile apps, web platforms, backend systems, and AI integrations. It was founded in Frankfurt in 2010 and still serves organizations across the Rhine-Main region. Its team has worked remote-first since 2025.
Its stack includes Flutter, React, Next.js, Node.js, Python, cloud infrastructure, APIs, and AI. Most of its work is outside financial services. 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.