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 develops custom fintech software for banks, financial institutions, BaaS providers, neobanks, and fintech companies. Its banking work covers customer-facing digital banking applications as well as integration-heavy financial platforms, legacy modernization, wallets, lending products, trading systems, and banking process automation. The company has delivered more than 300 fintech projects and maintains European development operations, which makes it suitable for Danish organizations looking for a dedicated engineering partner rather than a packaged core banking vendor. Its banking application practice also covers digital KYC, payments, transfers, account management, and secure integrations.
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: Żurawia 6/12/lok 766, 00-503 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 combines a dedicated banking technology organization with the wider engineering capacity of Netcompany. Its banking platform covers core functionality using a real-time, multi-currency architecture with open APIs, while the broader financial services practice handles modernization, digital channels, data, and advisory work. The business incorporates the former SDC operation, giving it an established relationship with banks in Denmark and across the Nordic region. Netcompany also works on Danish public financial infrastructure, including the country's NemKonto system, adding experience with systems where availability, integration, and regulatory requirements are central.
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 develops and operates banking technology for Danish financial institutions. Based in Roskilde, the organization works with banks on infrastructure, digital banking, customer-facing applications, regulatory functions, data, and financial processes. Its role extends beyond maintaining established systems, with development work involving open banking, cross-bank account aggregation, digital customer experiences, and new technology services for financial institutions. BEC is particularly relevant to Danish banks that participate in its shared technology environment, although its cooperative operating model differs from hiring a conventional external software development agency for an isolated 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 bank-owned Danish technology organization developing critical software for seven Danish banks. Its systems cover a substantial portion of day-to-day banking, including core transaction processing, accounting, risk management, reporting, mobile banking, investment tools, authentication, fraud detection, and anti-money laundering processes. The engineering environment spans technologies such as Java, Kubernetes, OpenShift, Open APIs, COBOL, DB2, Spring Boot, and Quarkus. Because Bankdata is owned by its banking customers, it is most relevant as part of that shared ecosystem rather than as a general outsourcing company available for unrelated development engagements.
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 develops custom digital products and platforms for banks, fintech companies, insurers, and other regulated financial organizations. Its Danish financial-sector work includes MobilePay, developed with Danske Bank, as well as a custom card and financing platform for consumer finance company Sparxpres. The company handles application development, integrations, architecture, user interfaces, transaction infrastructure, and ongoing platform development. With several offices in Denmark and experience connecting new customer-facing services to payment, card, and banking systems, Trifork is a practical option for projects that require custom engineering rather than adopting an entire standardized 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 portfolio covers core banking, payments, cards, lending, transaction banking, wealth-related services, and integrations. The professional services side also develops custom banking applications, frontends, and integrations around existing banking platforms. This mix makes the company relevant when a Danish bank wants both established financial software components and engineering resources for adapting them to its own architecture. The group has a substantial Nordic footprint and Danish operations, which supports regional implementation and maintenance work.
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 works with banks and financial institutions on credit processes, payment flows, system integrations, automation, and customer-facing financial services. Its Danish banking capabilities include Bank Connect integrations and Dploy, a cloud-based platform supporting onboarding and loan application workflows. Knowit has also worked with Bankdata on PSD2-related API architecture using technologies such as OpenShift, Apigee, and Curity. The company is particularly relevant where a banking project sits between software development and process modernization, including API programs, credit journeys, payment connectivity, and integration of external banking services with 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 combines banking software products with custom development and consulting for financial institutions. Its Danish banking practice covers payments, digital channels, data modernization, infrastructure, compliance, wealth management, and broader banking transformation. Specific financial products include CGI All Payments, Wealth360, BROKER, and Invision, while development teams can also adapt systems and build surrounding integrations. In Denmark, this makes CGI relevant for banks that need a provider capable of working across established banking applications, custom development, and enterprise infrastructure rather than focusing only on a single mobile app or isolated 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 provides custom software, cloud, data, and digital transformation services across the Nordic region, with a dedicated finance and insurance practice. In Denmark, its financial-sector work includes cloud architecture for Bankdata and software-related work for Danmarks Nationalbank. The company can cover application development, enterprise data platforms, cloud modernization, CRM, integration, and operational improvement, making it better suited to modernization programs that cross several technology layers than to organizations looking only for a packaged banking product. Its network of Danish offices also provides local delivery capacity for projects involving regulatory requirements and 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 covers platform selection, implementation, upgrades, integration, testing, data migration, and fully customized development. The company also works with platforms such as Temenos, Oracle FLEXCUBE, Finacle, Mambu, and FIS, which can be useful when a Danish bank needs independent engineering and integration capacity around an established banking stack. Capgemini is generally suited to larger transformation programs where banking applications, infrastructure, data, and operating processes need to 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, banking operations, cloud, data, and application modernization. Its software engineering work includes modernizing legacy applications, adopting cloud-native architectures, improving development processes, and integrating platforms from major banking technology vendors. This scope makes Accenture relevant to Danish banks undertaking organization-wide technology programs rather than single-feature development assignments. The company maintains a substantial Danish operation, with offices in Copenhagen, Aarhus, and Kolding, supporting projects that need local consulting combined with large international engineering and platform ecosystems.
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 organizations through system development, integration, consulting, infrastructure, and industry-specific software. Its Danish financial services work can cover both technology strategy and implementation, including custom applications and adaptation of existing systems. The broader group has decades of experience in European banking, giving Danish clients access to knowledge developed across multiple regulated financial markets. Sopra Steria is most relevant when software engineering forms part of a larger modernization program involving architecture, infrastructure, data, business processes, or integration rather than a narrowly defined standalone fintech application.
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 provides software development, data, AI, cloud, integration, and digital services from several offices in Denmark. Its financial-sector practice works with organizations such as Nykredit, PensionDanmark, and Velliv, with projects covering digital services and modernization of technology environments. Solita explicitly separates its work from traditional core banking platform development, focusing instead on the cloud, data, integration, and customer-facing layers surrounding financial systems. That distinction makes it useful for Danish banks that intend to retain an existing core platform but need new applications, APIs, data capabilities, cloud infrastructure, or improved 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 specializing in commercial cards, expense management, and spend management technology for banks and financial institutions. Its platform can be delivered as a white-label layer connected to a bank's existing commercial card infrastructure, allowing institutions to add card controls, expense processes, and digital interfaces without developing the entire product stack internally. Cardlay also supports Cards-as-a-Service models. The company fits a narrower segment than general banking development consultancies, but that specialization can be useful for banks developing or replacing commercial card and business expense offerings.
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.