New York is a major market for banking and financial technology, with demand spanning digital banking, payments, lending, wealth management, compliance, and core system modernization. The companies below cover different delivery models, from fintech-focused development teams to large enterprise technology providers, giving banks and financial businesses several options to compare.

1. Itexus
Itexus builds financial software for banks, credit unions, investment firms, brokers, and fintech companies in New York's banking market. It builds digital banking, KYC and onboarding, lending, payments, and digital wallets. It also builds trading and wealth management software. For financial organizations, Itexus also handles legacy modernization, system integration, QA, cloud, and DevOps.
Key Facts
- Best for: Banks, fintechs, credit unions, and financial software platforms
- Core services: Banking software development, fintech development, mobile banking, payments, lending, trading, and wealth management
- Specialization: Regulated financial software and complex integrations
- Location: Dover, Delaware, USA
- Notable strength: 300+ fintech projects and dedicated financial software expertise
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- Address: 8, The Green, STE road, Dover, DE 19901, USA
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft

2. DataArt
DataArt is a software engineering company founded in New York City, with a long-running financial services practice. Its fintech work covers software engineering, data and analytics, cloud modernization, AI, and digital platforms for complex enterprise systems. DataArt has a New York office on Park Avenue South and serves financial services and other regulated industries.
Key Facts
- Best for: Financial institutions and enterprises with complex technology environments
- Core services: Software engineering, data and AI, cloud, application modernization
- Specialization: Financial services technology and enterprise systems
- Location: New York, NY
- Notable strength: Dedicated financial services expertise
Contact Information
- Website: www.dataart.com
- Phone: +1 (212) 378-4108
- Email: moc.traatad@kroY-weN
- Address: 475 Park Avenue South, Floor 15, New York, NY 10016, USA
- LinkedIn: www.linkedin.com/company/dataart
- Facebook: www.facebook.com/DataArt
- Twitter: x.com/DataArt

3. Unified Infotech
Unified Infotech is a New York software development company that works with financial services and fintech businesses. It builds custom software, web and mobile apps, digital platforms, and fintech products. Banks and financial businesses hire it to build customer-facing apps, update existing platforms, or launch new digital financial products.
Key Facts
- Best for: Banks, fintech companies, and financial services businesses
- Core services: Custom software development, web and mobile development, fintech solutions, and digital platforms
- Specialization: Financial technology and custom digital products
- Location: New York, NY
- Notable strength: Experience developing fintech software for the New York market
Contact Information
- Website: www.unifiedinfotech.net
- Phone: +1 201 761 9432
- Email: ten.hcetofnideifinu@olleh
- Address: 135 Madison Ave, New York, NY 10016, USA
- LinkedIn: www.linkedin.com/company/unifiedinfotech
- Facebook: www.facebook.com/unifiedinfotech
- Instagram: www.instagram.com/unified.infotech
- Twitter: x.com/unified_infotec

4. DOOR3
DOOR3 is a software development and technology consultancy headquartered in New York City, with a focus on financial and banking software. It builds custom financial apps and banking software for banks and credit unions. It also builds payment processing tools, financial market platforms, integrations, and fintech products for organizations that need custom development.
Key Facts
- Best for: Banks, credit unions, fintech companies, and financial businesses
- Core services: Custom software, financial applications, banking software, and fintech development
- Specialization: Bespoke financial and banking platforms
- Location: New York, NY
- Notable strength: Long-standing New York software development presence
Contact Information
- Website: www.door3.com
- Phone: +1 (212) 673-1818
- Email: moc.3rood@stcejorp
- Address: 370 Lexington Ave., Suite 1806, New York, NY 10017, USA
- LinkedIn: www.linkedin.com/company/door3
- Twitter: x.com/door3

5. EPAM
EPAM builds financial and banking software for institutions with complex technology systems. Its banking work includes core banking modernization, digital banking, software engineering, data, cloud, and financial services consulting. EPAM has a New York office and builds software for global financial institutions and capital markets firms.
Key Facts
- Best for: Large banks and financial enterprises
- Core services: Banking software, software engineering, cloud, data, and digital transformation
- Specialization: Enterprise financial services technology
- Location: New York, NY
- Notable strength: Large-scale engineering capabilities for financial institutions
Contact Information
- Website: epam.com
- Phone: +1-267-759-9000
- Address: 275 Seventh Ave., 20th Floor, Suite 2002, New York, NY 10001, USA
- LinkedIn: www.linkedin.com/company/epam-systems
- Facebook: www.facebook.com/EPAM.Global
- Instagram: www.instagram.com/epamsystems

6. Fingent
Fingent is a software development company headquartered in New York, with a dedicated fintech practice. It builds software for banking, payments, lending, investments, personal finance management, and marketplaces. Financial organizations hire Fingent for custom software and digital products shaped around their business and their customers.
Key Facts
- Best for: Businesses building customer-facing financial applications
- Core services: Custom software, fintech development, web and mobile applications
- Specialization: Banking experiences, payments, lending, and investment software
- Location: New York, NY
- Notable strength: Dedicated fintech development practice
Contact Information
- Website: www.fingent.com
- Phone: +1 (914) 615-9170
- Email: moc.tnegnif@ofni
- Address: 235 Mamaroneck Ave Ste 301, White Plains, NY 10605, USA
- LinkedIn: www.linkedin.com/company/fingent-technologies
- Facebook: www.facebook.com/Fingent
- Instagram: www.instagram.com/fingentcorporation
- Twitter: x.com/fingent

7. Hexaview Technologies
Hexaview Technologies brings software engineering, data, AI, and fintech skills to financial organizations. Its fintech work covers wealth management, capital markets, lending, and custom financial software. For financial services firms, it also runs modernization, automation, analytics, and platform implementation projects. Hexaview is headquartered in New York, with a Manhattan address on East 49th Street.
Key Facts
- Best for: Fintech, wealth management, and capital-markets organizations
- Core services: Custom software, AI, data engineering, and fintech development
- Specialization: Wealth management, capital markets, lending, and financial automation
- Location: New York, NY
- Notable strength: Combination of fintech domain expertise and AI engineering
Contact Information
- Website: www.hexaviewtech.com
- Phone: +1 (845) 653-3855
- Email: moc.hcetweivaxeh@olleh
- Address: 12 E 49th Street, 11th Floor, New York, NY 10017, USA
- LinkedIn: www.linkedin.com/company/hexaview
- Twitter: x.com/Hexaview_Tech

8. Thoughtworks
Thoughtworks offers software engineering and digital transformation to financial institutions, mostly to modernize complex banking systems. Its banking work deals with legacy core systems, data, AI, architecture, and digital platforms. It also takes part in banking technology initiatives in the city.
Key Facts
- Best for: Banks modernizing legacy technology
- Core services: Software engineering, architecture, cloud, data, and AI
- Specialization: Banking modernization and enterprise technology
- Location: New York, NY
- Notable strength: Experience with complex core banking transformation
Contact Information
- Website: www.thoughtworks.com
- Email: moc.skrowthguoht@su-tcatnoc
- Address: 99 Madison Ave., 12th Floor, New York, NY 10016, USA
- LinkedIn: www.linkedin.com/company/thoughtworks
- Facebook: www.facebook.com/Thoughtworks
- Instagram: www.instagram.com/thoughtworks
- Twitter: x.com/thoughtworks

9. Globant
Globant offers software engineering and digital transformation across financial services and has several New York offices. Its fintech work includes cloud, AI, data, digital platforms, and payment integrations. It also works on payment technology and merchant onboarding projects.
Key Facts
- Best for: Financial companies combining software engineering with digital transformation
- Core services: Software development, cloud, AI, data, and digital platforms
- Specialization: Financial services and payment technology
- Location: New York, NY
- Notable strength: Financial services cloud and payment integration capabilities
Contact Information
- Website: www.globant.com
- Phone: +1 786-841-1898
- Email: moc.tnabolg@ih
- Address: 251 Park Ave. S, 11th Floor, New York, NY 10010, USA
- LinkedIn: www.linkedin.com/company/globant
- Facebook: www.facebook.com/Globant
- Instagram: www.instagram.com/globant

10. Netguru
Netguru builds fintech and banking apps for payments, KYC, mobile banking, credit cards, and financial data. For a New York fintech client, it delivered a mobile MVP in five weeks. It has also worked on banking, payment, and financial platforms. Netguru fits product-focused fintech teams that need app development and extra engineers.
Key Facts
- Best for: Fintech startups and product teams
- Core services: Mobile and web development, UX, QA, and product development
- Specialization: Fintech applications, payments, KYC, and banking products
- Location: Global delivery, with demonstrated New York fintech project experience
- Notable strength: Product development for financial applications
Contact Information
- Website: www.netguru.com
- Email: moc.urugten@olleh
- Address: Nowe Garbary Office Center, ul. Małe Garbary 9, 61-756 Poznań, Poland
- LinkedIn: www.linkedin.com/company/netguru

11. Innowise
Innowise builds banking and fintech software for financial organizations, from start to finish. Its work covers banking apps, payments, digital wallets, lending, KYC and AML tools, and cloud banking. It also handles embedded finance, analytics, and legacy modernization. Innowise serves fintech clients through its U.S. operations.
Key Facts
- Best for: Financial companies needing dedicated engineering capacity
- Core services: Banking software, fintech development, payments, cloud, and modernization
- Specialization: Banking platforms and regulated financial applications
- Location: New York, USA
- Notable strength: 100+ banking solutions delivered
Contact Information
- Website: innowise.com
- Phone: +1 917 267 7727
- Email: moc.esiwonni@tcatnoc
- Address: 405 Lexington Avenue, 26th Floor, NY 10174, USA
- LinkedIn: www.linkedin.com/company/innowise-group
- Twitter: x.com/innowisegroup

12. Accenture
Accenture brings technology consulting, software engineering, cloud, data, and financial services expertise to large banks. Its financial services practice covers banking transformation, payments, compliance, digital products, and modernization. Accenture co-founded the FinTech Innovation Lab New York and has a New York office at 395 9th Avenue.
Key Facts
- Best for: Large banks and financial institutions undertaking enterprise transformation
- Core services: Technology consulting, software engineering, cloud, data, and digital transformation
- Specialization: Banking and financial services transformation
- Location: New York, NY
- Notable strength: Deep enterprise financial services practice
Contact Information
- Website: www.accenture.com
- Phone: +1 917-452-4400
- Address: 395 9th Avenue, New York, NY 10001, USA

13. Net Solutions
Net Solutions builds banking and financial software for financial institutions and fintech businesses. It builds digital banking platforms, fintech apps, lending tools, digital wallets, custom web and mobile apps, and KYC integrations. It also modernizes older financial systems. With an office in Lower Manhattan, it is a practical option for New York firms that need engineering support.
Key Facts
- Best for: Banks, fintech companies, and financial institutions
- Core services: Banking software development, fintech applications, lending solutions, digital wallets, and custom software
- Specialization: Digital banking and financial technology platforms
- Location: New York, NY
- Notable strength: Dedicated banking and financial software development capabilities
Contact Information
- Website: www.netsolutions.com
- Phone: +1 (416) 720-1790
- Email: moc.snoitulosten@selas
- Address: 101 Avenue of the Americas, 8th Floor, New York, NY 10013, USA
- LinkedIn: www.linkedin.com/company/net-solutions
- Facebook: www.facebook.com/NetSolutionsHQ
- Twitter: x.com/netsolutions

14. Vention
Vention offers software engineering services and has a dedicated financial software practice. For banks, it builds open banking tools, custom APIs, digital banking apps, neobanking products, analytics, and customer management systems. It also builds lending platforms, payment networks, digital wallets, risk tools, wealth management software, and trading infrastructure.
Vention can run a whole project or supply dedicated and staff augmentation teams. Its engineers build secure data storage and real-time processing. They also connect banking APIs, KYC providers, and payment gateways. Vention has a New York office at 575 Lexington Avenue in Manhattan.
Key Facts
- Best for: Financial organizations needing flexible engineering capacity
- Core services: Custom software development, modernization, dedicated teams, staff augmentation
- Banking capabilities: Open banking, digital banking, neobanking, lending, payments
- Location: 575 Lexington Avenue, New York, NY 10022
- Notable strength: Large pool of engineers with dedicated fintech expertise
Contact Information
- Website: ventionteams.com
- Phone: +1 (718) 374-5043
- Email: moc.smaetnoitnev@olleh
- Address: 575 Lexington Avenue, 14th Floor, NY 10022
- LinkedIn: www.linkedin.com/company/ventionteams
- Twitter: x.com/ventionteams
- Instagram: www.instagram.com/ventionteams

15. Endava
Endava has a dedicated finance and banking practice, backed by software engineering and technology transformation services. Its banking work covers data intelligence, customer experience, and core modernization. Its teams work alongside financial institutions on both strategy and engineering.
Endava reports wide project experience in the financial sector. It works with banks on the technology behind customer journeys, operating systems, and modern digital products. Endava also has a physical New York office, so local institutions get a nearby business contact backed by its global delivery teams.
Key Facts
- Best for: Banks combining engineering with broader transformation work
- Core services: Software engineering, modernization, data, customer experience
- Banking capabilities: Core modernization, digital banking, financial data
- Location: New York, NY
- Notable strength: Finance-focused engineering backed by distributed delivery teams
Contact Information
- Website: www.endava.co
- Address: 757 3rd Avenue Suite 1901, Floor 19th, Suite 1901, New York, 10017 USA
- LinkedIn: www.linkedin.com/company/endava
- Facebook: www.facebook.com/endava
- Instagram: www.instagram.com/endava
- Twitter: x.com/endava

16. Luxoft
Luxoft has one of the most clearly defined banking practices among large engineering firms. It works on core banking transformation, trading and risk systems, middle and back-office tools, and client lifecycle management. It also covers KYC, regulatory reporting, data analytics, cloud banking technology, and legacy modernization.
Its clients span retail and commercial banking, investment and private banking, wealth and asset management, lending, and market infrastructure. Luxoft also works with platforms from Finastra, Temenos, Fenergo, and Murex. It operates from Rockefeller Center in New York and names its local work with banking clients.
Key Facts
- Best for: Large banks with complex core, trading, or legacy environments
- Core services: Financial software engineering, cloud, analytics, automation
- Banking capabilities: Core banking, KYC, trading, risk, regulatory reporting
- Location: New York, NY
- Notable strength: Extensive concentration on banking and capital markets technology
Contact Information
- Website: www.luxoft.com
- Phone: +1 212 964 9900
- Address: 600 5th Ave, Second floor, New York 10020
- LinkedIn: www.linkedin.com/companies/luxoft
- Facebook: www.facebook.com/Luxoft
- Twitter: x.com/Luxoft

17. Capgemini
Capgemini works closely with financial institutions on modernization, cloud adoption, data, AI, digital customer experience, and enterprise transformation. Its banking work fits large organizations where development is tied to changes in infrastructure, operating models, or legacy systems.
Capgemini has an established New York office at 79 Fifth Avenue. Its New York innovation team works near major financial institutions and turns emerging technologies from concepts into working prototypes. Capgemini suits complex enterprise programs better than small standalone banking apps.
Key Facts
- Best for: Large financial institutions undertaking enterprise transformation
- Core services: Technology consulting, software engineering, cloud, data, AI
- Banking capabilities: Modernization, digital transformation, cloud banking technology
- Location: New York, NY
- Notable strength: Combining technology delivery with large transformation programs
Contact Information
- Website: www.capgemini.com
- Phone: 1-212-314-8300
- Address: 79 Fifth Avenue New York, NY 10003
- LinkedIn: www.linkedin.com/company/capgemini
- Facebook: www.facebook.com/Capgemini
- Instagram: www.instagram.com/capgemini

18. Perpetual
Perpetual is a New York City digital product design and software engineering firm with direct finance experience. It builds web and mobile apps, lending platforms, trading products, investment portals, and wealth management tools. Banks and other financial organizations use its digital products.
Perpetual handles both frontend and backend development. It also covers product strategy, UX research, data engineering, DevOps, QA, and technical support. Its finance work includes automated loan processing and platforms that handle heavy trading activity. Compared with the larger firms on this list, Perpetual focuses on smaller digital product and customer experience projects.
Key Facts
- Best for: Banking and fintech products with a strong UX component
- Core services: Product design, custom software, mobile and web development
- Banking capabilities: Lending, financial portals, investment and trading interfaces
- Location: New York, NY
- Notable strength: Product design combined with full-stack development
Contact Information
- Website: www.perpetualny.com
- Phone: +1-212-904-1497
- Email: moc.ynlauteprep@ofni
- Address: 135 W 26th St, 9A, New York NY 10001
- LinkedIn: www.linkedin.com/company/perpetual
- Facebook: www.facebook.com/perpetualny
- Twitter: x.com/perpetualny
- Instagram: www.instagram.com/perpetual.ny
Conclusion
New York offers a strong pool of banking software development companies with expertise across digital banking, payments, lending, wealth management, financial integrations, and legacy modernization. The right partner depends on the project's technical requirements, financial domain, delivery model, and geographic needs. Companies such as Itexus can support financial organizations with custom banking and fintech software development, while larger providers may be better suited to enterprise-wide transformation programs.