Seattle banks, credit unions, fintech companies, and financial institutions can choose from local technology consultancies and larger engineering providers serving the Pacific Northwest. The companies below cover digital banking platforms, payment systems, lending software, core modernization, cloud migration, data engineering, and regulatory technology.
1. Itexus
Itexus builds custom software for banks, fintech companies, lenders, investment firms, and other financial organizations. It develops mobile and online banking apps, digital wallets, and payment systems. It also builds lending platforms, wealth management tools, and financial data products.
Itexus fits Seattle businesses that want an outside product team instead of a packaged banking platform. It can run the whole cycle: requirements, UX design, engineering, testing, cloud deployment, and ongoing maintenance. The team has worked with integrations, financial data, artificial intelligence, and security-sensitive apps, which helps when a product must connect to existing banking systems.
Key Facts
- Best for: Custom banking and fintech product development
- Core services: Banking software development, UX/UI design, software engineering, QA, cloud development, maintenance
- Banking capabilities: Digital banking, lending, payments, wealth management, financial analytics
- Engagement options: Dedicated teams, team augmentation, end-to-end product delivery
- Location coverage: Serves clients across the United States, including Seattle-based businesses
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. Avanade
Avanade is headquartered in Seattle and pairs software engineering with financial-services consulting built on Microsoft technology. It helps banks modernize applications, move workloads to Azure, and organize financial data. It also automates internal processes and adds AI to customer and employee workflows.
Established financial institutions will get more from Avanade than early-stage teams looking for a small studio. It is most useful when a banking project involves Microsoft Dynamics 365, Power Platform, Azure data services, cybersecurity, or links to a wider enterprise setup.
Key Facts
- Best for: Microsoft-based banking transformation
- Core services: Application modernization, cloud engineering, data and AI, managed services
- Banking capabilities: Digital operations, customer experience, analytics, workflow automation
- Technology focus: Microsoft Azure, Dynamics 365, Power Platform, Microsoft security products
- Location: Seattle, Washington
Contact Information
- Website: www.avanade.com
- E-mail: moc.edanava@RP-AT
- LinkedIn: www.linkedin.com/company/avanade
- Instagram: www.instagram.com/avanadeinc
- Address: Global Headquarters, 1191 Second Avenue, Suite 100, Seattle, WA 98101
- Phone: +1 206 239 5600
3. Slalom
Slalom is a business and technology consultancy headquartered in Seattle. It offers product engineering, cloud, data, and artificial intelligence work. Its financial-services practice helps organizations improve customer experiences, open up data access, and build new digital products, with consulting and delivery handled by the same firm.
Slalom can pair local consultants with engineering delivery teams. That helps banks coordinate work across technology, operations, compliance, and customer-experience departments. Slalom also works widely with AWS, Microsoft, Google Cloud, Salesforce, and Snowflake.
Key Facts
- Best for: Locally led banking transformation programs
- Core services: Product engineering, cloud architecture, data platforms, AI, experience design
- Banking capabilities: Digital products, customer platforms, analytics, process modernization
- Technology partners: AWS, Microsoft, Google Cloud, Salesforce, Snowflake
- Location: Seattle, Washington
Contact Information
- Website: www.slalom.com
- E-mail: moc.molals@stneilc
- Twitter: x.com/Slalom
- LinkedIn: www.linkedin.com/company/slalom-consulting
- Instagram: www.instagram.com/slalomconsulting
- Address: 255 S King St, Suite 1800, Seattle, WA 98104, USA
4. Accenture
Accenture works with retail banks, commercial banks, payment providers, and capital-markets firms on technology consulting and large engineering programs. Its banking work includes core system modernization, digital channels, payments, and cloud adoption. It also covers data, AI, cybersecurity, and technology operations.
Seattle organizations should look at Accenture when a project spans several business units or legacy systems. It can handle strategy, implementation, system integration, and managed services together. Because of its scale, it fits major transformation programs better than small, narrowly scoped app builds.
Key Facts
- Best for: Large banking modernization programs
- Core services: Technology consulting, system integration, cloud, data, AI, managed services
- Banking capabilities: Core transformation, digital channels, payments, risk technology
- Typical clients: Large banks and complex financial institutions
- Location coverage: Seattle and the wider US market
Contact Information
- Website: www.accenture.com
- Facebook: www.facebook.com/accenture
- LinkedIn: www.linkedin.com/company/accenture
- Instagram: www.instagram.com/accenture
- Address: 1191 2nd Avenue, Seattle, WA, 98101
- Phone: +12068392000
5. EPAM Systems
EPAM pairs software product engineering with a dedicated financial-services practice. Its teams build digital banking experiences, onboarding systems, payment products, and trading and wealth platforms. They also handle cloud migration and update older financial applications.
Banks that need deep engineering on both customer-facing products and the architecture underneath can rely on EPAM. It also covers data platforms, DevOps, cybersecurity, and quality engineering. That helps when a new digital channel has to connect with several internal systems.
Key Facts
- Best for: Engineering-intensive digital banking platforms
- Core services: Software engineering, cloud, data, DevOps, cybersecurity, experience design
- Banking capabilities: Onboarding, servicing, payments, wealth technology, digital channels
- Project types: New product development, platform modernization, system integration
- Location coverage: Serves financial organizations across the United States
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: +1-267-759-9000
- Address: 10900 NE 8th St, Suite 1680, Bellevue, WA 98004, USA
6. Globant
Globant builds digital products and enterprise technology for banks, payment companies, insurance providers, and other financial institutions. It works on customer applications, cloud platforms, data engineering, and artificial intelligence. Cybersecurity and experience design are part of its services too.
Seattle banks planning visible changes to their mobile or online channels, along with the technology behind them, may find Globant a good match. The company groups its expertise into focused practices. Clients can combine banking knowledge with engineering, design, cloud, and AI specialists.
Key Facts
- Best for: Customer-facing digital banking experiences
- Core services: Product engineering, cloud, data, AI, UX design, cybersecurity
- Banking capabilities: Mobile banking, digital channels, payments, platform modernization
- Project approach: Multidisciplinary design and engineering teams
- Location coverage: Supports US clients, including organizations in the Seattle market
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. Cognizant
Cognizant helps banks and financial-services companies with core modernization, payments, lending operations, and digital customer experiences. It also works on data platforms and regulatory processes. Its delivery teams handle application development, quality engineering, cloud migration, integration, and managed technology services.
Cognizant suits institutions with a large existing technology estate. Seattle-area banks can use it for phased modernization, where older applications keep running while new services, APIs, and customer interfaces are added.
Key Facts
- Best for: Modernizing complex banking technology environments
- Core services: Application engineering, cloud, integration, QA, data, managed services
- Banking capabilities: Core banking, lending, payments, digital channels, compliance technology
- Project types: Legacy modernization, platform integration, operational transformation
- Location coverage: United States, including the Pacific Northwest
Contact Information
- Website: www.cognizant.com
- Phone: (201) 801-0233
- Email: moc.tnazingoc@yriuqni
- Address: 300 Frank W Burr Blvd, Suite 36, 6th Floor, Teaneck NJ 07666
- LinkedIn: www.linkedin.com/company/cognizant
- Facebook: www.facebook.com/Cognizant
- Twitter: x.com/cognizant
- Instagram: www.instagram.com/cognizant
8. Capgemini
Capgemini offers consulting, software engineering, and technology operations for banks and payment businesses. Its banking work covers core platforms, cards and payments, cloud transformation, and customer channels. It also handles data management, fraud controls, and automation.
Seattle financial institutions may choose Capgemini when business-process changes must move in step with system implementation. The company works with major cloud and enterprise software providers. That helps banks that build on commercial platforms instead of writing every component themselves.
Key Facts
- Best for: Enterprise banking transformation and integration
- Core services: Consulting, software engineering, cloud, data, cybersecurity, managed services
- Banking capabilities: Core platforms, payments, cards, customer channels, fraud technology
- Typical projects: Platform implementation, migration, modernization, technology operations
- Location coverage: Serves banking clients throughout the United States
Contact Information
- Website: www.capgemini.com
- Facebook: www.facebook.com/CapgeminiAmericas
- LinkedIn: www.linkedin.com/company/capgemini
- Instagram: www.instagram.com/capgeminiamericas
- Address: 15885 North East 28th Street Suite 100 Bellevue, WA 98008
- Phone: 1-404-806-4200
9. Deloitte
Deloitte pairs banking advisory experience with software engineering, cloud, data, cybersecurity, and system implementation. Its teams help financial institutions modernize platforms, redesign digital experiences, and improve risk systems. They also bring automation into regulated operations.
Deloitte has a Seattle office. It is most useful when technology work is tied to compliance, operating-model changes, or enterprise risk. Its breadth can simplify large programs that involve several business functions. Smaller standalone builds may be better served by a more focused engineering firm.
Key Facts
- Best for: Banking technology programs involving risk and compliance
- Core services: Technology consulting, engineering, cloud, data, cybersecurity, implementation
- Banking capabilities: Platform modernization, digital channels, risk systems, automation
- Typical clients: Banks and other regulated financial institutions
- Location: Seattle, Washington
Contact Information
- Website: www.deloitte.com
- LinkedIn: www.linkedin.com/company/deloitte
- Facebook: www.facebook.com/deloitte
- Twitter: x.com/deloitte
- Phone: +1206 716 7000
- Address: 1015 2nd Ave, Suite 500, Seattle, WA 98104, United States
10. Fresh Consulting
Fresh Consulting helps banks, credit unions, fintech companies, and other financial organizations design and build custom digital products. Its fintech practice builds mobile and online banking, digital wallets, lending systems, and payment gateways. It also delivers identity verification, robo-advisory tools, and financial dashboards.
Fresh also handles legacy system modernization, cloud architecture, data migration, cybersecurity, and AI implementation. It is headquartered in Bellevue. Seattle-area institutions get strategy, design, and engineering support from a team close by.
Key Facts
- Best for: Seattle-area banks and fintech companies seeking local product development support
- Core services: Product strategy, UX/UI design, web and mobile development, cloud architecture, data engineering
- Banking capabilities: Mobile banking, online banking, lending, payments, digital identity, risk management
- Technology areas: AI, machine learning, blockchain, biometrics, cloud, automation
- Location: Bellevue, Washington
Contact Information
- Website: www.freshconsulting.com
- Facebook: www.facebook.com/freshconsulting
- Twitter: x.com/FreshConsulting
- LinkedIn: www.linkedin.com/company/fresh-consulting
- Instagram: www.instagram.com/freshconsulting
- Address: 14725 SE 36th Street, Suite 300, Bellevue, WA 98006
- Phone: 4252013713
11. Launch Consulting
Launch Consulting is headquartered in Bellevue and offers software engineering, AI, data, cloud, and digital transformation services. Its financial-services practice covers banking, fintech, payments, and insurance. It builds financial data platforms, customer applications, automated workflows, and cloud-based systems.
Launch handles both strategic planning and technical work. Seattle banks can hire it for custom development, application modernization, platform integration, AI adoption, or embedded engineering teams. Its local presence helps when a project needs regular contact with in-house business and technology staff.
Key Facts
- Best for: Banking projects combining software engineering with data and AI
- Core services: Custom software development, platform integration, cloud transformation, AI, data analytics
- Banking capabilities: Financial applications, fintech platforms, customer experience systems, automation
- Engagement options: Project delivery, strategic advisory, embedded teams
- Location: Bellevue, Washington
Contact Information
- Website: www.launchconsulting.com
- Facebook: www.facebook.com/LaunchCG
- LinkedIn: www.linkedin.com/company/launch-consulting-group
- Instagram: www.instagram.com/launchcg
12. NGS Solution
NGS Solution builds custom software for Seattle businesses, including firms in banking, investment, fintech, and blockchain. Its Seattle services cover web applications, mobile products, enterprise platforms, cloud solutions, and software modernization.
On financial projects, NGS Solution builds secure applications that process financial information, connect with outside services, and adapt as operations change. It may suit startups and growing financial businesses that need a focused product build, not a large enterprise transformation.
Key Facts
- Best for: Fintech startups and focused banking application projects
- Core services: Custom software, web development, mobile development, cloud solutions
- Banking capabilities: Financial platforms, investment applications, blockchain products, system integration
- Project types: New product development, modernization, application scaling
- Location coverage: Seattle, Washington
Contact Information
- Website: ngssolution.com
- E-mail: moc.noitulossgn@ofni
- Facebook: www.facebook.com/people/NGS-Solution/61569921033797
- Twitter: x.com/ngssolution1
- LinkedIn: www.linkedin.com/company/ngssolution
- Instagram: www.instagram.com/ngs.solution
- Address: 4400 State Hwy 121, Lewisville, TX 75056, United States
- Phone: +1 (972) 474-3919
Conclusion
Seattle’s banking technology market offers a useful mix of local consultancies, global engineering firms, and providers with dedicated financial-services expertise. Some are better equipped for core banking modernization and complex enterprise integration, while others are a more natural fit for mobile banking apps, lending platforms, payment products, or focused fintech builds.
The right choice depends less on company size and more on the work that actually needs to be done. Before committing, compare each provider’s banking experience, security practices, integration capabilities, delivery model, and familiarity with relevant regulations. A clearly defined discovery phase can also reveal whether the team understands both the technical requirements and the operational realities behind the product.