Denmark's banking technology market includes bank-owned IT organizations, Nordic software groups, international consultancies, and specialized fintech developers. The companies below cover projects ranging from core banking modernization and payment systems to mobile banking, lending, financial planning, data platforms, integrations, and compliance software. The list includes both Denmark-based providers and development partners with broader European delivery capabilities suitable for Danish financial organizations.
1. Itexus
Itexus builds custom fintech software for banks, financial institutions, BaaS providers, neobanks, and fintech companies. It builds digital banking apps for customers and integration-heavy financial platforms. It also handles legacy modernization, wallets, lending products, trading systems, and banking process automation. Its banking app work includes digital KYC, payments, transfers, account management, and secure integrations. The company has delivered more than 300 fintech projects and runs development teams in Europe. Danish organizations that want a dedicated engineering partner, not a packaged core banking vendor, will find a good match here.
Key Facts
- Best for: Custom banking platforms, fintech products, mobile banking, and modernization projects.
- Core services: Banking software development, custom fintech development, banking app development, legacy modernization, integrations, QA, cloud engineering, and AI-enabled development.
- Banking capabilities: Digital banking, neobanking, payments, wallets, lending, trading, and financial workflow automation.
- Market coverage: Financial organizations across Europe and other international markets.
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- Address: Twarda 14, 00-824 Warszawa, Poland
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
2. Netcompany
Netcompany pairs a dedicated banking technology unit with the wider engineering capacity of the group. Its banking platform runs core functions on a real-time, multi-currency architecture with open APIs. The financial services practice handles modernization, digital channels, data, and advisory work. The business includes the former SDC operation, so it already works with banks in Denmark and across the Nordic region. Netcompany also runs parts of Danish public financial infrastructure, including the NemKonto system, where uptime, integration, and regulation come first.
Key Facts
- Best for: Core banking modernization and large-scale Danish or Nordic banking platforms.
- Core services: Core banking, digital banking, integrations, financial services consulting, data, and software engineering.
- Banking technology: Real-time processing, multi-currency support, open APIs, and continuously maintained banking platforms.
- Location: Copenhagen, Denmark.
Contact Information
- Website: netcompany.com
- Phone: +45 70 13 14 40
- Email: moc.ynapmocten@tkatnok
- Address: Strandgade 3, DK-1401 Copenhagen, Denmark
3. BEC Financial Technologies
BEC Financial Technologies builds and runs banking technology for Danish financial institutions from its base in Roskilde. It works with banks on infrastructure, digital banking, customer apps, regulatory functions, data, and financial processes. The team does more than maintain old systems. It develops open banking features, cross-bank account aggregation, digital customer experiences, and new technology services. BEC fits Danish banks that share its technology environment. Its cooperative model is different from hiring an outside software agency for a one-off project.
Key Facts
- Best for: Danish banks using shared financial infrastructure and banking platforms.
- Core services: Banking technology development, digital banking, financial infrastructure, integrations, and technology operations.
- Specialization: Technology built specifically for banks and other financial-sector organizations in Denmark.
- Location: Roskilde, Denmark.
Contact Information
- Website: www.bec.dk
- Phone: +45 46 38 24 00
- Address: Havsteensvej 4, DK-4000 Roskilde, Denmark
- LinkedIn: www.linkedin.com/company/bec
4. Bankdata
Bankdata is a Danish technology company owned by the seven banks it builds critical software for. Its systems run much of daily banking: core transaction processing, accounting, risk management, and reporting. They also cover mobile banking, investment tools, authentication, fraud detection, and anti-money laundering checks. Engineers work with Java, Kubernetes, OpenShift, Open APIs, COBOL, DB2, Spring Boot, and Quarkus. Because its customers own it, Bankdata serves that shared group of banks. It is not a general outsourcing firm for unrelated projects.
Key Facts
- Best for: Member banks requiring shared core, digital, compliance, and infrastructure development.
- Core services: Banking software engineering, core systems, digital channels, accounting, risk, reporting, fraud detection, and AML technology.
- Technologies: Java, Kubernetes, OpenShift, Open API, Spring Boot, Quarkus, COBOL, DB2, and related infrastructure technologies.
- Location: Fredericia, Denmark.
Contact Information
- Website: www.bankdata.dk
- Phone: +45 7924 2233
- Email: kd.atadknab@atadknab
- Address: Erritsø Bygade 102, 7000 Fredericia, Denmark
- LinkedIn: www.linkedin.com/company/bankdata
5. Trifork
Trifork builds custom digital products and platforms for banks, fintech companies, insurers, and other regulated financial firms. In Denmark, it developed MobilePay with Danske Bank and a custom card and financing platform for consumer finance company Sparxpres. The company covers app development, integrations, architecture, user interfaces, transaction infrastructure, and ongoing platform work. It has several offices in Denmark and knows how to connect new customer services to payment, card, and banking systems. Choose Trifork when a project needs custom engineering instead of a standard banking suite.
Key Facts
- Best for: Custom banking applications, payment products, card platforms, and customer-facing financial services.
- Core services: Product development, software engineering, architecture, integrations, mobile development, and platform modernization.
- Financial experience: Banking, payments, cards, consumer finance, insurance, and fintech.
- Danish presence: Offices include Aarhus and Copenhagen.
Contact Information
- Website: trifork.com
- Phone: +45 8732 8787
- Email: moc.krofirt@ofni
- Address: Åboulevarden 13, DK-8000 Aarhus C, Denmark
- LinkedIn: www.linkedin.com/company/trifork
- Facebook: www.facebook.com/Trifork
- Instagram: www.instagram.com/lifeattrifork
6. Tieto
Tieto is a banking technology business. Its financial software covers core banking, payments, cards, lending, transaction banking, wealth services, and integrations. Its professional services team also builds custom banking apps, frontends, and integrations around existing banking platforms. That mix helps a Danish bank that wants ready-made financial software plus engineers to fit it into its own architecture. The group has a large Nordic presence and operations in Denmark, which helps with local rollout and maintenance.
Key Facts
- Best for: Banks combining packaged banking technology with custom integration and application development.
- Core services: Core banking, payments, cards, lending, transaction banking, integrations, and custom development.
- Lending capabilities: Retail lending, corporate lending, leasing, factoring, and debt collection technology.
- Presence: Nordic operations including Denmark.
Contact Information
- Website: www.tieto.com
- Phone: +45 45588888
- Address: Østbanegade 121-123, DK-2100 Copenhagen, Denmark
- LinkedIn: www.linkedin.com/company/tieto
- Instagram: www.instagram.com/tietoglobal
7. Knowit
Knowit helps banks and financial institutions with credit processes, payment flows, system integrations, automation, and customer-facing services. In Denmark, it offers Bank Connect integrations and Dploy, a cloud platform for onboarding and loan application workflows. Knowit also worked with Bankdata on PSD2 API architecture using OpenShift, Apigee, and Curity. It is a good fit when a banking project mixes software development with process change. Typical examples are API programs, credit journeys, payment connections, and linking external banking services to internal systems.
Key Facts
- Best for: Banking integrations, credit processes, payment flows, APIs, and digital customer journeys.
- Core services: Software development, systems integration, automation, cloud platforms, and financial-sector consulting.
- Banking capabilities: Lending workflows, Bank Connect, PSD2 APIs, payments, and accounting integrations.
- Danish presence: Copenhagen and Aarhus.
Contact Information
- Website: www.knowit.dk
- Email: kd.tiwonk@tcatnoc
- Address: Nyropsgade 41, 1602 København V, Denmark
- LinkedIn: www.linkedin.com/company/knowit
- Facebook: www.facebook.com/KnowitDanmark
- Instagram: www.instagram.com/weareknowit
8. CGI
CGI sells banking software products and also offers custom development and consulting for financial institutions. Its Danish banking practice covers payments, digital channels, data modernization, infrastructure, compliance, wealth management, and wider banking transformation. Its financial products include CGI All Payments, Wealth360, BROKER, and Invision. Its development teams adapt these systems and build the integrations around them. In Denmark, CGI suits banks that need one provider for existing banking apps, custom development, and enterprise infrastructure, not just a single mobile app or fintech product.
Key Facts
- Best for: Enterprise banking platforms, payments, wealth systems, and integration-heavy transformation.
- Core services: Banking software, custom development, payments, digital banking, data modernization, cloud, and consulting.
- Financial products: CGI All Payments, Wealth360, BROKER, and Invision.
- Danish presence: Ballerup, Aarhus, and Nørresundby.
Contact Information
- Website: www.cgi.com
- Phone: +45 44 78 40 00
- Address: Sletvej 30, Aarhus, 8310, Denmark
- LinkedIn: www.linkedin.com/company/cgi-danmark
- Facebook: www.facebook.com/cgigroup
- Twitter: x.com/cgi_global
9. twoday
twoday offers custom software, cloud, data, and digital transformation services across the Nordic region, and has a dedicated finance and insurance practice. In Denmark, it designed cloud architecture for Bankdata and did software work for Danmarks Nationalbank. The company can take on app development, enterprise data platforms, cloud modernization, CRM, integration, and operational improvement. It suits modernization programs that touch several technology layers better than buyers who only want a packaged banking product. Its many Danish offices give local delivery capacity for regulated, business-critical financial systems.
Key Facts
- Best for: Cloud modernization, custom development, data platforms, and financial-sector transformation.
- Core services: Software development, cloud, data, AI, integration, CRM, and digital transformation.
- Financial experience: Banks, financial institutions, insurance, Bankdata, and Danmarks Nationalbank.
- Danish presence: Copenhagen, Aarhus, Aalborg, Odense, Kolding, Herning, and Skanderborg.
Contact Information
- Website: www.twoday.com
- Phone: +45 87 34 44 54
- Email: moc.yadowt@ab.ksedpleh
- Address: Sundkaj 125, Copenhagen, Denmark
10. Capgemini
Capgemini works with banks on core modernization, digital banking, cards and payments, lending, compliance, cloud, and financial crime technology. Its core banking practice helps choose, implement, upgrade, integrate, and test platforms. It also migrates data and builds fully custom systems. The company works with Temenos, Oracle FLEXCUBE, Finacle, Mambu, and FIS. That helps a Danish bank that needs independent engineers to integrate around an existing banking stack. Capgemini best suits larger programs where banking apps, infrastructure, data, and processes all change together.
Key Facts
- Best for: Large core banking modernization and multi-system transformation programs.
- Core services: Core banking, payments, lending, digital banking, cloud, integration, data migration, and compliance technology.
- Platform experience: Temenos, Oracle FLEXCUBE, Finacle, Mambu, FIS, and related banking platforms.
- Danish presence: Copenhagen and Aarhus.
Contact Information
- Website: www.capgemini.com
- Phone: +45 3515 4100
- Address: Havneholmen 2, 2450 København SV, Denmark
- LinkedIn: www.linkedin.com/company/capgemini
- Facebook: www.facebook.com/Capgemini
- Instagram: www.instagram.com/capgemini
11. Accenture
Accenture's Danish financial services practice covers core banking, payments, lending, customer engagement, risk and compliance, and banking operations. It also works on cloud, data, and application modernization. Its engineers modernize legacy apps, move systems to cloud-native architectures, and improve development processes. They also integrate platforms from major banking technology vendors. Accenture suits Danish banks running company-wide technology programs, not single-feature jobs. It has a large Danish team, with offices in Copenhagen, Aarhus, and Kolding, backed by its international engineering and platform network.
Key Facts
- Best for: Large banking transformations spanning core platforms, applications, cloud, data, and operating models.
- Core services: Core banking modernization, payments, lending, cloud, application engineering, data, AI, risk, and compliance.
- Technology approach: Platform integration, legacy modernization, cloud-native engineering, and software development lifecycle transformation.
- Danish presence: Copenhagen, Aarhus, and Kolding.
Contact Information
- Website: accenture.com
- Phone: +45 7228 8000
- Address: Bohrsgade 35, 1799 Copenhagen, Denmark
12. Sopra Steria
Sopra Steria serves banks, insurers, and other financial firms with system development, integration, consulting, infrastructure, and industry software. Its Danish financial services team can handle both technology strategy and delivery, including custom apps and changes to existing systems. The wider group has decades of experience in European banking, so Danish clients benefit from work across many regulated markets. Sopra Steria fits best when software is part of a larger modernization program. That program might involve architecture, infrastructure, data, business processes, or integration, not just one standalone fintech app.
Key Facts
- Best for: Banking transformation that combines custom software, integration, infrastructure, and consulting.
- Core services: System development, architecture, integration, financial-sector consulting, infrastructure, and application modernization.
- Industries: Banking, financial services, and insurance.
- Location: Copenhagen, Denmark.
Contact Information
- Website: www.soprasteria.dk
- Email: moc.airetsarpos@nexow.airam
- Phone: +45 44 50 60 00
- Address: Skindergade 45, 1159 Copenhagen, Denmark
- LinkedIn: www.linkedin.com/company/soprasteria
- Facebook: www.facebook.com/soprasteria.dk
13. Solita
Solita offers software development, data, AI, cloud, integration, and digital services from several offices in Denmark. Its financial clients include Nykredit, PensionDanmark, and Velliv, with projects in digital services and technology modernization. Solita does not build core banking platforms. Instead, it works on the cloud, data, integration, and customer-facing layers around financial systems. That helps Danish banks that want to keep their core platform but need new apps, APIs, data tools, cloud infrastructure, or better digital customer experiences around it.
Key Facts
- Best for: Digital banking layers, cloud, data, integration, and custom software around existing core systems.
- Core services: Custom software development, data and AI, cloud, integration, and digital experience.
- Financial experience: Nykredit, PensionDanmark, Velliv, and other Nordic financial organizations.
- Danish presence: Copenhagen, Aalborg, Glostrup, and Vejle.
Contact Information
- Website: www.solita.fi
- Phone: +45 70 22 96 31
- Email: kd.atilos@cdj
- Address: Frederikskaj 4, Copenhagen, Denmark
- LinkedIn: www.linkedin.com/company/solita
- Facebook: www.facebook.com/Solita
- Twitter: x.com/Solita_Insights
- Instagram: www.instagram.com/solitalife
14. Cardlay
Cardlay is a Danish fintech that builds commercial card, expense management, and spend management technology for banks and financial institutions. Banks can run its platform as a white-label layer on top of their existing commercial card infrastructure. That lets them add card controls, expense processes, and digital interfaces without building the whole product themselves. Cardlay also supports Cards-as-a-Service models. Its focus is narrower than a general banking consultancy, which helps banks launching or replacing commercial card and business expense products.
Key Facts
- Best for: Commercial card, expense management, and bank-branded spend management products.
- Core services: White-label card technology, expense management, spend management, integrations, and Cards-as-a-Service.
- Client type: Banks, financial institutions, and commercial card providers.
- Danish presence: Copenhagen and Odense.
Contact Information
- Website: cardlay.com
- Phone: +45 70 20 01 15
- Email: moc.yaldrac@olleh
- Address: Langebrogade 4, DK-1411 Copenhagen K, Denmark
- LinkedIn: www.linkedin.com/company/cardlay
Conclusion
Banking software development in Denmark covers a wide mix of needs, from core banking and payment infrastructure to mobile applications, lending systems, data platforms, compliance tools, and customer-facing financial services. The right provider depends heavily on the scope of the project, existing technology stack, regulatory requirements, and whether the goal is to modernize legacy systems or build a new product from the ground up.
When comparing potential partners, it makes sense to look beyond general development experience and focus on practical banking expertise, integration capabilities, security practices, and familiarity with complex financial environments. A careful match between technical strengths and project requirements can make implementation smoother and reduce unnecessary complexity later on.