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 develops custom software for banks, credit unions, neobanks, fintech companies, and banking-as-a-service providers. Its scope includes mobile and online banking platforms, digital onboarding, KYC automation, lending systems, payment infrastructure, card management, open banking integrations, and core banking modernization.
The company is particularly relevant for regulated products involving complicated business rules or multiple external systems. Itexus also provides quality assurance, cybersecurity work, cloud engineering, AI implementation, and post-launch support. Its US headquarters is in Delaware, while its teams serve financial organizations throughout North America, including companies operating 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
Headquartered in Boston, Publicis Sapient combines financial services consulting with product, experience, data, AI, and software engineering capabilities. Its banking work addresses core platform modernization, digital lending, customer onboarding, real-time payments, fraud controls, reconciliations, and back-office automation.
The company makes the most sense for established financial institutions managing large, interconnected technology environments. Publicis Sapient can support a transformation from early strategy through architecture and engineering, including projects where older banking systems must remain operational during a phased modernization program.
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 provides custom software development from a network that includes a Boston presence and development operations in India. Its fintech practice covers digital banking interfaces, payment workflows, personal financial management, lending, investments, insurance, and financial system integrations.
The company can handle web and mobile application development alongside cloud implementation, product engineering, data analytics, and legacy modernization. This breadth may suit regional banks or fintech businesses that need a delivery partner for the customer-facing product as well as 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 operates a Boston office and provides software engineering, product development, and technology consulting for financial institutions. Its financial services practice includes retail and commercial banking, open banking, payments, capital markets, and wealth management.
Engineering depth is a significant part of EPAM's proposition. The company can support cloud migration, platform modernization, data engineering, cybersecurity, customer experience work, and the development of new digital banking products. It is generally better aligned with complex, long-running programs than a narrowly defined 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 provides local access to a larger business and technology consulting organization. Its engineering teams build custom applications, data platforms, cloud systems, and digital products, while its financial services capabilities extend to customer operations and Salesforce Financial Services Cloud.
This is a practical option for banks that need software delivery connected to organizational or process change. Slalom works extensively with AWS, Microsoft, Salesforce, Snowflake, and other enterprise platforms, which can be useful when the proposed banking system must fit an established technology ecosystem.
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 capabilities. Its teams work on digital banking, legacy transformation, data, cloud platforms, customer experience, and AI-driven financial operations.
The company has operated in Boston and serves large organizations that need sizable, multidisciplinary product teams. Globant may be particularly relevant for institutions updating customer channels while also changing the underlying architecture. Its work with digital banks demonstrates experience beyond general-purpose application 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 develops custom enterprise and fintech software. Its financial technology work focuses on secure platforms, integrations, fraud analytics, underwriting support, regulatory information retrieval, and controlled AI adoption.
The team also handles legacy modernization, backend redesign, cloud migration, web and mobile development, testing, and data engineering. SumatoSoft is a sensible candidate for a defined banking product or technical workstream where local commercial access and a distributed engineering model are both useful.
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 offering strategy, UX, web development, mobile development, data work, and enterprise AI integration. Its fintech practice makes it relevant to financial businesses seeking a smaller local team for a focused application or product initiative.
Compared with the multinational consultancies on this list, Outright offers a more compact delivery profile. That may appeal to community financial institutions, startups, or business units that need direct access to the people designing and building the software. Buyers should establish the required banking integrations and compliance scope during initial 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 organizations through 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.
The company operates a Greater Boston office in Burlington. Capgemini is most relevant when the engagement involves multiple business units, enterprise vendors, or regional systems. Its scale also supports programs that require ongoing transformation work after the initial platform has launched.
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 develops and operates technology for banks and other financial institutions. Its banking portfolio includes payments, trade finance, credit management, retail banking, fraud detection, KYC, sanctions screening, and financial crime controls.
Unlike a general software studio, CGI brings established banking products together with consulting, integration, and managed services. This can reduce the amount of custom development required for certain functions, although banks should assess how configurable each product is and how it will connect with their existing systems. CGI maintains operations in Massachusetts and serves financial institutions throughout 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, commonly known as Pega, is headquartered in Waltham and provides 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 not a conventional outsourced development studio. It is better viewed as a platform provider for banks that want configurable applications and workflow automation supported by internal developers, Pega specialists, or an implementation partner. This distinction matters 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.