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 develops custom software for banks, fintech companies, lenders, investment businesses, and other financial organizations. Its banking capabilities include mobile and online banking applications, digital wallets, payment systems, lending platforms, wealth management tools, and financial data products.
The company is a practical option for Seattle businesses that need an external product team rather than a packaged banking platform. Itexus can support the full development cycle, from requirements and UX design to engineering, testing, cloud deployment, and ongoing maintenance. Its experience with integrations, financial data, artificial intelligence, and security-sensitive applications is particularly relevant to products that must connect with existing banking infrastructure.
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
Headquartered in Seattle, Avanade combines software engineering and financial-services consulting with deep experience across the Microsoft technology ecosystem. The company helps banks modernize applications, migrate workloads to Azure, organize financial data, automate internal processes, and introduce AI into customer and employee workflows.
Avanade is better suited to established financial institutions than early-stage teams looking for a small development studio. Its capabilities are particularly useful when a banking project involves Microsoft Dynamics 365, Power Platform, Azure data services, cybersecurity, or integration with a broader enterprise environment.
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 Seattle-headquartered business and technology consultancy with product engineering, cloud, data, and artificial intelligence capabilities. Its financial-services practice works with organizations that need to modernize customer experiences, improve data access, or develop new digital products without separating business consulting from implementation.
The company can bring together local consultants and engineering delivery teams, which may help banks coordinate work across technology, operations, compliance, and customer-experience departments. Slalom also works extensively 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 supports retail banks, commercial banks, payment providers, and capital-markets organizations through technology consulting and large-scale engineering programs. Its banking work spans core system modernization, digital channels, payments, cloud adoption, data, AI, cybersecurity, and technology operations.
For Seattle organizations, Accenture is most relevant when the project reaches across multiple business units or legacy systems. The company can coordinate strategy, implementation, system integration, and managed services, although its scale and delivery model will generally fit major transformation programs better than narrowly scoped application 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 combines software product engineering with a dedicated financial-services practice. Its teams work on digital banking experiences, onboarding systems, payment products, trading and wealth platforms, cloud migration, and modernization of established financial applications.
The company is a credible choice for banks that need engineering depth across both customer-facing products and underlying architecture. EPAM can also support data platforms, DevOps, cybersecurity, and quality engineering, making it suitable for programs where a new digital channel must 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 develops digital products and enterprise technology for financial institutions, including banks, payment companies, and insurance providers. Its capabilities cover customer applications, cloud platforms, data engineering, artificial intelligence, cybersecurity, and experience design.
The company may appeal to Seattle banks planning visible changes to their mobile or online channels while also addressing the technology behind them. Globant organizes much of its expertise into focused practices, allowing clients to 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 works with banks and financial-services companies on core modernization, payments, lending operations, digital customer experiences, data platforms, and regulatory processes. Its delivery capabilities include application development, quality engineering, cloud migration, integration, and managed technology services.
The company is most appropriate for institutions dealing with a substantial existing technology estate. Seattle-area banks can use Cognizant for phased modernization programs where older applications must continue operating while new services, APIs, and customer interfaces are introduced.
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 provides consulting, software engineering, and technology operations for banks and payment businesses. Its banking work covers core platforms, cards and payments, cloud transformation, customer channels, data management, fraud controls, and automation.
Seattle financial institutions may consider Capgemini when they need a partner capable of coordinating business-process changes with system implementation. The company also works with major cloud and enterprise software providers, which is useful for banks building around commercial platforms rather than developing every component from scratch.
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 combines banking advisory experience with software engineering, cloud, data, cybersecurity, and system implementation services. Its teams help financial institutions modernize platforms, redesign digital experiences, improve risk systems, and introduce automation into regulated operations.
The company has a Seattle office and can be particularly useful when technology work is closely connected to compliance, operating-model changes, or enterprise risk. Deloitte’s breadth can simplify large programs involving several business functions, although smaller standalone development projects may be better suited to a more focused engineering provider.
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 covers mobile banking applications, online banking platforms, digital wallets, lending systems, payment gateways, identity verification, robo-advisory tools, and financial dashboards.
The company can also support legacy system modernization, cloud architecture, data migration, cybersecurity, and AI implementation. With its headquarters in Bellevue, Fresh offers a meaningful local connection for Seattle-area institutions that want nearby strategy, design, and engineering support.
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 provides software engineering, AI, data, cloud, and digital transformation services. Its financial-services practice works across banking, fintech, payments, and insurance, helping organizations develop financial data platforms, customer applications, automated workflows, and cloud-based systems.
The company supports both strategic planning and technical implementation. Seattle banks can engage Launch for custom development, application modernization, platform integration, AI adoption, or embedded engineering teams. Its local presence makes it particularly relevant when regular collaboration with internal business and technology stakeholders is important.
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 provides custom software development services to businesses in Seattle, including organizations working in banking, investment, fintech, and blockchain. Its Seattle-focused offering covers web applications, mobile products, enterprise platforms, cloud solutions, and software modernization.
For financial projects, the company focuses on secure applications that can process financial information, connect with external services, and support evolving operational requirements. NGS Solution may suit startups and growing financial businesses seeking a development partner for a focused product build rather than a large enterprise transformation program.
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.