Boston banks, credit unions, fintech companies, and financial institutions can choose from local engineering firms, global consultancies, and specialized banking technology providers. This list compares companies with verified banking software capabilities and either a Greater Boston presence or established delivery coverage across the US market.
1. Itexus
Itexus builds custom software for banks, credit unions, neobanks, fintech companies, and banking-as-a-service providers. It builds mobile and online banking platforms, digital onboarding, KYC automation, and lending systems. It also works on payment infrastructure, card management, open banking integrations, and core banking modernization.
Itexus fits regulated products with complicated business rules or many external systems. The team also provides quality assurance, cybersecurity, cloud engineering, AI implementation, and support after launch. Its US headquarters is in Delaware, and its teams serve financial organizations across North America, including companies in Boston.
Key Facts
- Best for: Custom banking platforms and regulated financial products
- Core services: Banking software development, mobile banking apps, digital lending, payments, system integration
- Specialization: Fintech and financial services software
- Location: United States headquarters in Dover, Delaware, serving Boston and the wider North American market
- Notable strength: Experience with KYC, AML, payment, market data, and core banking integrations
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- Address: 8, The Green, STE road, Dover, DE 19901, United States
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
2. Publicis Sapient
Publicis Sapient is headquartered in Boston. It combines financial services consulting with product, experience, data, AI, and software engineering. Its banking work covers core platform modernization, digital lending, customer onboarding, and real-time payments. It also handles fraud controls, reconciliations, and back-office automation.
Publicis Sapient fits established financial institutions with large, interconnected technology estates. It can carry a transformation from early strategy through architecture and engineering. That includes phased modernization where older banking systems must keep running.
Key Facts
- Best for: Enterprise banking transformation programs
- Core services: Product engineering, legacy modernization, data and AI, experience design
- Specialization: Large financial services technology environments
- Location: Boston, Massachusetts
- Notable strength: Connecting banking modernization with customer experience and operational change
Contact Information
- Website: www.publicissapient.com
- E-mail: moc.tneipassicilbup@aidem
- Facebook: www.facebook.com/publicissapient
- LinkedIn: www.linkedin.com/company/publicissapient
- Instagram: www.instagram.com/publicissapient
- Phone: +1-617-621-0200
- Address: 40 Water St, Boston, MA 02109, USA
3. Fingent
Fingent builds custom software, with a Boston presence and development teams in India. Its fintech practice covers digital banking interfaces, payment workflows, personal financial management, and lending. It also works on investments, insurance, and financial system integrations.
Besides web and mobile apps, Fingent handles cloud implementation, product engineering, data analytics, and legacy modernization. Regional banks and fintech businesses may like that one partner can build the customer-facing product and the systems and integrations behind it.
Key Facts
- Best for: Custom digital banking and payment experiences
- Core services: Web and mobile development, cloud development, SaaS engineering, legacy modernization
- Specialization: Banking interfaces, financial workflows, and third-party integrations
- Location: Boston presence with global delivery centers
- Notable strength: Combining application development with enterprise system modernization
Contact Information
- Website: www.fingent.com
- E-mail: moc.tnegnif@ofni
- Facebook: www.facebook.com/Fingent
- Twitter: x.com/fingent
- LinkedIn: www.linkedin.com/company/fingent-technologies
- Instagram: www.instagram.com/fingentcorporation
- Phone: +1 (914) 615-9170
- Address: 235 Mamaroneck Ave Ste 301, White Plains, NY 10605, USA
4. EPAM Systems
EPAM has a Boston office and offers software engineering, product development, and technology consulting to financial institutions. Its financial services practice covers retail and commercial banking, open banking, payments, capital markets, and wealth management.
Engineering depth is EPAM's main selling point. It can run cloud migration, platform modernization, data engineering, cybersecurity, and customer experience work. It also builds new digital banking products. EPAM suits complex, long-running programs better than a narrow prototype.
Key Facts
- Best for: Large banking platforms and modernization initiatives
- Core services: Software engineering, cloud, data, cybersecurity, product development
- Specialization: Retail banking, commercial banking, payments, and open banking
- Location: Boston, MA
- Notable strength: Capacity for multidisciplinary enterprise delivery
Contact Information
- Website: www.epam.com
- LinkedIn: www.linkedin.com/company/epam-systems
- Facebook: www.facebook.com/EPAM.Global
- Instagram: www.instagram.com/epamsystems
- Phone: +6179695400
- Address: 21 Drydock Avenue, Suite 410 W, Boston, MA 02210, USA
5. Slalom
Slalom's Boston office gives local access to a larger business and technology consulting firm. Its engineers build custom applications, data platforms, cloud systems, and digital products. In financial services, it also covers customer operations and Salesforce Financial Services Cloud.
Slalom is a practical choice for banks whose software project comes with organizational or process change. It works heavily with AWS, Microsoft, Salesforce, Snowflake, and other enterprise platforms. That helps when a new banking system must fit an existing technology stack.
Key Facts
- Best for: Local consulting combined with enterprise technology implementation
- Core services: Software engineering, cloud, data, AI, platform implementation
- Specialization: Business and technology transformation
- Location: Boston, MA
- Notable strength: Strong partner ecosystem across major cloud and enterprise platforms
Contact Information
- Website: www.slalom.com
- Twitter: x.com/slalom
- LinkedIn: www.linkedin.com/company/slalom-consulting
- Instagram: www.instagram.com/slalomconsulting
- Address: 399 Boylston Street, Suite 1000, Boston, MA 02116
6. Globant
Globant combines software engineering with dedicated banking consulting and financial services teams. It works on digital banking, legacy transformation, data, cloud platforms, customer experience, and AI-driven financial operations.
Globant has operated in Boston and serves large organizations that need big, multidisciplinary product teams. It suits institutions that are updating customer channels and the architecture underneath at the same time. Its work with digital banks goes beyond general app development.
Key Facts
- Best for: Digital banking and customer experience transformation
- Core services: Software engineering, product development, cloud, data, AI
- Specialization: Banking and financial services technology
- Location: Boston presence within a global delivery network
- Notable strength: Large-scale product and platform engineering
Contact Information
- Website: www.globant.com
- E-mail: moc.tnabolg@ih
- Facebook: www.facebook.com/Globant
- Twitter: x.com/globant
- LinkedIn: www.linkedin.com/company/globant
- Instagram: www.instagram.com/globant
- Address: 1601 5th Avenue, #603, WA 98101, Seattle
- Phone: +1 786-841-1898
7. SumatoSoft
SumatoSoft is headquartered at One Boston Place and builds custom enterprise and fintech software. Its fintech work covers secure platforms, integrations, fraud analytics, and underwriting support. It also builds regulatory information retrieval and helps clients adopt AI in a controlled way.
The team also handles legacy modernization, backend redesign, cloud migration, web and mobile development, testing, and data engineering. SumatoSoft suits a defined banking product or technical workstream. It offers a local commercial contact and a distributed engineering team.
Key Facts
- Best for: Mid-sized custom fintech and banking projects
- Core services: Enterprise software, AI, legacy modernization, web and mobile development
- Specialization: Secure financial platforms and governed AI systems
- Location: One Boston Place, Suite 2602, Boston, MA 02108
- Notable strength: Combining core software engineering with AI governance
Contact Information
- Website: sumatosoft.com
- E-mail: moc.tfosotamus@ofni
- Facebook: www.facebook.com/sumatosoft
- Twitter: x.com/SumatoSoft
- LinkedIn: www.linkedin.com/company/sumatosoft
- Address: One Boston Place, Suite 2602, Boston, MA 02108, United States
- Phone: +18572390848
8. Outright Development
Outright Development is a Greater Boston custom software company. It offers strategy, UX, web and mobile development, data work, and enterprise AI integration. Its fintech practice suits financial businesses that want a smaller local team for a focused app or product.
Outright is more compact than the multinational consultancies on this list. Community financial institutions, startups, or business units may like direct access to the people who design and build the software. Buyers should define the banking integrations and compliance scope early in planning.
Key Facts
- Best for: Focused projects requiring a smaller Boston-area team
- Core services: Custom software, web applications, mobile apps, UX, AI integration
- Specialization: Product development for businesses and fintech organizations
- Location: Greater Boston, Massachusetts
- Notable strength: Local product strategy and hands-on development
Contact Information
- Website: www.outrightdevelopment.com
- E-mail: moc.tnempolevedthgirtuo@ofni
- Address: 275 Grove Street, Suite 2-400, Newton, MA 02466
- Phone: 781-670-7745
9. Capgemini
Capgemini serves banking and capital markets firms with consulting, technology implementation, software engineering, data, cloud, and managed services. Its banking practice covers digital infrastructure, process modernization, data management, customer channels, and regulatory technology.
Capgemini has a Greater Boston office in Burlington. It fits engagements that span several business units, enterprise vendors, or regional systems. Its size also supports ongoing transformation work after the first platform goes live.
Key Facts
- Best for: Multiyear banking transformation programs
- Core services: Consulting, software engineering, cloud, data, managed services
- Specialization: Banking and capital markets technology
- Location: Burlington, MA
- Notable strength: Ability to coordinate complex enterprise programs
Contact Information
- Website: www.capgemini.com
- Facebook: www.facebook.com/CapgeminiAmericas
- LinkedIn: www.linkedin.com/company/capgemini
- Instagram: www.instagram.com/capgeminiamericas
- Address: 128 S. Tryon Street Offices 1905, 1905A, 1905B, 1905C Charlotte, NC 28202
- Phone: +1781-993-5500
10. CGI
CGI builds and runs technology for banks and other financial institutions. Its banking products cover payments, trade finance, credit management, and retail banking. They also cover fraud detection, KYC, sanctions screening, and financial crime controls.
CGI is not a general software studio. It pairs established banking products with consulting, integration, and managed services. This can cut the custom development needed for some functions. Banks should still check how configurable each product is and how it connects to their existing systems. CGI has operations in Massachusetts and serves financial institutions across North America.
Key Facts
- Best for: Banking programs using configurable financial software products
- Core services: Systems integration, application development, consulting, managed services
- Specialization: Payments, trade finance, credit, fraud, and retail banking
- Location: Massachusetts and wider North American operations
- Notable strength: Combination of banking products and implementation services
Contact Information
- Website: www.cgi.com
- Twitter: x.com/cgi_global
- LinkedIn: www.linkedin.com/company/cgi
- Facebook: www.facebook.com/cgigroup
- Address: 78 Blanchard Road, Suite 300, Burlington, 01803
- Phone: +1 781-565-2600
11. Pegasystems
Pegasystems, usually called Pega, is headquartered in Waltham. It sells a low-code platform for building and automating financial services workflows. Its banking solutions cover lending, onboarding and KYC, fraud investigations, payment exceptions, customer service, collections, and back-office operations.
Pega is a platform provider, not an outsourced development studio. Banks use it to build configurable apps and automate workflows with internal developers, Pega specialists, or an implementation partner. Keep this in mind when comparing project ownership, licensing costs, and long-term technical control.
Key Facts
- Best for: Banking workflow automation and low-code application development
- Core services: Low-code development, process automation, AI decisioning
- Specialization: Lending, KYC, fraud, collections, and customer service
- Location: Waltham, Massachusetts
- Notable strength: Banking applications built around complex operational workflows
Contact Information
- Website: www.pega.com
- E-mail: moc.agep@dlroWageP
- Twitter: x.com/pega
- LinkedIn: www.linkedin.com/company/pegasystems
- Instagram: www.instagram.com/pegasystems
- Address: 225 Wyman Street, Waltham, MA 02451, U.S.A.
- Phone: 1-888-734-2669
Conclusion
Boston’s banking technology market gives financial institutions a wide range of options, from local product teams to global engineering companies capable of handling large modernization programs. The right fit depends less on company size and more on the actual assignment. A community bank building a new customer portal will have different priorities from an institution replacing legacy infrastructure, introducing real-time payments, or automating lending and compliance workflows.
Before choosing a development partner, look closely at its banking experience, security practices, integration capabilities, and approach to long-term support. It is also worth discussing regulatory responsibilities and system ownership early, particularly when the project involves KYC, AML, payment data, or core banking connections. A clear match between the provider’s experience and the bank’s operational reality usually matters far more than an ambitious feature list.