Chicago banks, credit unions, fintech startups, and established financial institutions can choose from local development studios and global technology consultancies with teams in the city. The companies below cover banking applications, core system integration, lending platforms, payment infrastructure, data engineering, cloud modernization, and regulatory technology.
1. Itexus
Itexus develops custom software for banks, credit unions, neobanks, lenders, payment providers, and fintech companies. Its banking work includes customer-facing web and mobile applications, digital onboarding, KYC automation, account management, card controls, money transfers, credit scoring, and lending workflows. The company also handles integrations with payment gateways, banking APIs, identity-verification vendors, and legacy financial systems.
For Chicago businesses, Itexus offers a US-based engagement structure supported by engineering and fintech specialists. It is a practical option for institutions that need domain knowledge alongside product discovery, architecture, UI/UX design, development, testing, deployment, and continuing technical support.
Key Facts
- Best for: Custom digital banking products and complex fintech platforms
- Core services: Banking software development, fintech software engineering, system integration, QA, cloud engineering
- Specialization: Regulated financial products and integration-heavy systems
- Location: Serves Chicago clients through its US operation
- Notable strength: Experience with banking, lending, payments, wealth management, and KYC workflows
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. Caxy
Caxy is a Chicago software development firm with a particularly relevant offering for community banks and credit unions. Its team builds digital account-opening systems, member portals, mobile banking experiences, financial analytics tools, and middleware that connects modern applications to established core banking platforms.
The company has experience working with technologies and systems associated with Jack Henry, Fiserv, and FIS environments. Caxy also addresses identity verification, audit logging, data encryption, role-based access, fraud detection, and other requirements that matter in regulated financial software. Its local headquarters can make workshops and stakeholder collaboration easier for Chicago institutions.
Key Facts
- Best for: Community banks and credit unions modernizing customer experiences
- Core services: Custom software, core banking integration, digital onboarding, mobile platforms, AI development
- Specialization: Software layers built around existing banking systems
- Location: Chicago, Illinois
- Notable strength: Direct experience with financial platforms and regulated data
Contact Information
- Website: www.caxy.com
- Twitter: x.com/caxy
- LinkedIn: www.linkedin.com/company/caxy-inc-
- Instagram: www.instagram.com/caxygram
- Address: 212 W Van Buren St, Suite 1000, Chicago, IL 60607
3. Velvetech
Velvetech operates from a Chicago office and develops custom web, mobile, cloud, and enterprise software. Its financial technology capabilities cover banking applications, payment products, workflow automation, analytics, API development, and integrations with external services.
The company is well suited to projects that cross technical boundaries, such as combining a customer portal with backend automation, real-time reporting, and data pipelines. Velvetech also provides AI and machine-learning development, which may be useful for transaction analysis, document processing, customer support, or fraud-related use cases. Engagements can include consulting, product engineering, modernization, and ongoing maintenance.
Key Facts
- Best for: Banks combining application development with automation and data engineering
- Core services: Custom software, mobile development, AI, data engineering, system integration
- Specialization: Enterprise-grade web and mobile platforms
- Location: Chicago, Illinois
- Notable strength: Broad engineering coverage under one delivery team
Contact Information
- Website: velvetech.com
- E-mail: moc.hcetevlev@selas
- Facebook: www.facebook.com/velvetech
- Twitter: x.com/velvetech
- LinkedIn: www.linkedin.com/company/velvetech
- Instagram: www.instagram.com/velvetech
- Address: 5440 N. Cumberland Ave, Suite #150, Chicago, IL 60656
- Phone: +1 (847) 559-0864
4. Intersog
Chicago-based Intersog provides custom software engineering, AI implementation, data services, and technology team augmentation. Finance and banking are established areas of its industry practice, with capabilities relevant to regulatory reporting, fraud detection, risk assessment, forecasting, and operational automation.
Intersog can build a product with a dedicated delivery team or supplement an institution's internal engineering department with specific technical skills. That flexibility is useful when a bank already has product leadership and architecture in place but needs additional developers, data engineers, or AI specialists. Its distributed research and development footprint also supports projects requiring a larger delivery capacity.
Key Facts
- Best for: Dedicated banking development teams and AI-enabled automation
- Core services: Custom development, AI integration, data engineering, automation, staff augmentation
- Specialization: Flexible distributed engineering teams
- Location: Chicago, Illinois
- Notable strength: Supports both complete projects and embedded team models
Contact Information
- Website: intersog.com
- E-mail: moc.gosretni@tcatnoc
- Facebook: www.facebook.com/intersognorthamerica
- Twitter: x.com/Intersog
- LinkedIn: www.linkedin.com/company/intersog
- Address: 220 N Green St, 2nd floor Chicago, IL 60607, USA
- Phone: +18334683776
5. Highland
Highland is a Chicago digital product and innovation consultancy that combines customer research, product strategy, experience design, and custom software development. Its financial services practice supports organizations launching fintech products or redesigning existing digital services.
The firm's discovery-led approach is useful when a bank has identified a business opportunity but has not fully defined the user journey, product scope, or technical solution. Highland can work from early market exploration through product design and engineering. This makes it a better fit for customer-facing innovation and new product development than for a narrowly scoped staff-augmentation request.
Key Facts
- Best for: Banking product discovery and customer-focused digital services
- Core services: Product strategy, UX research, experience design, custom software development
- Specialization: Turning new financial service concepts into working digital products
- Location: Chicago, Illinois
- Notable strength: Strong connection between research, product design, and engineering
Contact Information
- Website: www.highlandsolutions.com
- E-mail: moc.snoitulosdnalhgih@ksa
- LinkedIn: www.linkedin.com/company/highland-chicago
- Address: 125 S Clark St, Suite 670, Chicago IL 60603
- Phone: (312) 863-7500
6. SPR
SPR is a Chicago technology modernization firm that develops custom software and helps enterprises improve older applications, data environments, and cloud infrastructure. Its financial services offering covers secure digital products, process automation, analytics, and modernization work for organizations handling sensitive financial information.
The firm can support both new development and improvement of existing banking technology. That includes cloud migration, application integration, data platforms, quality engineering, and AI implementation. SPR is likely to suit banks with complicated internal systems and several connected workstreams, especially when the engagement requires architecture, engineering, and organizational delivery support rather than a single application build.
Key Facts
- Best for: Enterprise banking modernization programs
- Core services: Custom software, cloud modernization, data engineering, AI, quality engineering
- Specialization: Updating complex applications and technology estates
- Location: Chicago, Illinois
- Notable strength: Combines engineering delivery with modernization consulting
Contact Information
- Website: spr.com
- Twitter: x.com/\_SPRConsulting
- LinkedIn: www.linkedin.com/company/spr
- Address: 233 South Wacker Drive, Suite 3500, Chicago, Illinois 60606
- Phone: 312-756-1760
7. Thoughtworks
Thoughtworks has deep roots in Chicago and works with large financial institutions on software delivery, modernization, data, cloud, and AI initiatives. Its financial services coverage includes retail and commercial banking, open banking, payments, capital markets, and wealth management.
The consultancy is most relevant to banks undertaking substantial transformation rather than a small isolated build. Typical work may involve modernizing a customer channel, restructuring an application portfolio, developing a new platform, or improving the way internal engineering teams deliver software. Thoughtworks also brings experience with agile delivery and product-oriented operating models, which can be valuable when technology and organizational change need to happen together.
Key Facts
- Best for: Large banks managing complex transformation programs
- Core services: Software engineering, platform modernization, cloud, data, AI, product strategy
- Specialization: Enterprise-scale digital transformation
- Location: Chicago, Illinois
- Notable strength: Combines technical delivery with changes to engineering practices
Contact Information
- Website: www.thoughtworks.com
- E-mail: moc.skrowthguoht@su-tcatnoc
- Facebook: www.facebook.com/Thoughtworks
- Twitter: x.com/thoughtworks
- LinkedIn: www.linkedin.com/company/thoughtworks
- Instagram: www.instagram.com/thoughtworks
- Address: 200 E Randolph St, 25th Floor, Chicago, IL 60601-6501
8. West Monroe
Headquartered in Chicago, West Monroe combines financial services consulting with technology and experience design. Its banking work includes digital transformation, customer experience, data strategy, payments, lending, operational improvement, and technology implementation.
West Monroe has partnerships with banking technology providers such as nCino and Backbase, giving it a useful position between custom development and platform implementation. Banks and credit unions can engage the firm to assess their operating model, select or integrate technology, redesign processes, and build supporting digital experiences. It is especially relevant when a project includes significant business transformation alongside software delivery.
Key Facts
- Best for: Banks connecting technology programs to operational change
- Core services: Banking consulting, technology implementation, digital experience, data, AI
- Specialization: Business and technology transformation
- Location: Headquarters in Chicago, Illinois
- Notable strength: Experience with established digital banking platforms
Contact Information
- Website: www.westmonroe.com
- Twitter: x.com/westmonroe
- LinkedIn: www.linkedin.com/company/westmonroe
- Instagram: www.instagram.com/wearewestmonroe
- Address: 311 W Monroe St, 14th Floor, Chicago, IL 60606
- Phone: 312-602-4000
9. Perficient
Perficient maintains a Chicago office and provides digital engineering and consulting for banking, lending, payments, fintech, investment management, and insurance organizations. Its teams work across customer experience, AI, cloud platforms, analytics, software engineering, and enterprise systems.
The company is a sensible candidate for banks that rely on a mixture of custom applications and major commercial platforms. Perficient can help connect these systems, modernize digital channels, improve data access, and introduce automation within risk and compliance boundaries. Its scale is also useful for programs that require several technical disciplines or deployment across multiple business units.
Key Facts
- Best for: Multiplatform banking and financial services programs
- Core services: Digital engineering, AI, cloud, data analytics, platform implementation
- Specialization: Enterprise banking experiences and system modernization
- Location: Chicago, Illinois
- Notable strength: Broad delivery capabilities across applications, data, and platforms
Contact Information
- Website: www.perficient.com
- Twitter: x.com/perficient
- LinkedIn: www.linkedin.com/company/perficient
- Instagram: www.instagram.com/perficient
- Address: 20 North Wacker Dr., Suite 1450 & 1560, Chicago IL 60606
10. Slalom
Slalom has a substantial Chicago consulting operation and serves banks, payment companies, capital-markets firms, insurers, and wealth-management organizations. Its technology capabilities include product engineering, cloud platforms, data, AI, systems implementation, and organizational transformation.
The company works well for institutions that need local consulting access while drawing on a wider national engineering organization. A banking engagement may cover customer applications, internal workflows, data platforms, cloud adoption, or the integration of commercial technology products. Slalom's model is particularly relevant when close participation from business, product, and technology stakeholders is essential.
Key Facts
- Best for: Collaborative banking transformation with a local consulting team
- Core services: Product engineering, cloud, data, AI, platform implementation
- Specialization: Banking, payments, capital markets, and wealth management
- Location: Chicago, Illinois
- Notable strength: Local market teams backed by broader engineering resources
Contact Information
- Website: www.slalom.com
- Twitter: x.com/slalom
- LinkedIn: www.linkedin.com/company/slalom-consulting
- Instagram: www.instagram.com/slalomconsulting
- Address: 200 East Randolph, Suite 3700, Chicago, IL 60601
11. Capco
Capco is a business and technology consultancy concentrated on financial services. Its industry coverage includes banking and payments, capital markets, wealth and investment management, insurance, risk, and regulatory compliance. The firm has an established Chicago operation serving organizations across the Midwest.
Its technology work spans digital products, core transformation, cloud, data, automation, and managed services. Because Capco's consultants work specifically within financial services, the company can be useful when software decisions depend heavily on banking operations or regulatory requirements. It is best considered for complex institutional programs where domain consulting and technical implementation are closely connected.
Key Facts
- Best for: Banking programs with substantial operational or regulatory complexity
- Core services: Technology transformation, digital engineering, data, cloud, automation
- Specialization: Banking and financial services
- Location: Chicago, Illinois
- Notable strength: Industry-focused consulting rather than general-purpose development
Contact Information
- Website: www.capco.com
- Facebook: www.facebook.com/CapcoGlobal
- LinkedIn: www.linkedin.com/company/capco
- Instagram: www.instagram.com/lifeatcapco
- Address: Chicago Board of Trade Building, 141 W Jackson Blvd, Suite 2100, Chicago, IL 60604, United States
12. Accenture
Accenture has a major Chicago presence and one of the broadest banking technology practices in the market. The company works across core banking transformation, digital channels, payments, cloud infrastructure, data, cybersecurity, AI, and managed services.
Its teams can handle strategy, platform selection, system integration, custom engineering, and operational support within the same program. This breadth makes Accenture relevant to large banks that need to coordinate technology change across multiple products, departments, and geographic markets. Smaller institutions should consider whether the scale and governance model match the size of the planned engagement.
Key Facts
- Best for: Large-scale banking technology transformation
- Core services: Banking consulting, software engineering, cloud, data, cybersecurity, managed services
- Specialization: Enterprise banking and payments programs
- Location: Chicago, Illinois
- Notable strength: Ability to coordinate large multidisciplinary delivery teams
Contact Information
- Website: www.accenture.com
- Facebook: www.facebook.com/accenture
- LinkedIn: www.linkedin.com/company/accenture
- Address: 500 West Madison Street, Chicago, IL, 60661-4544
- Phone: +13126935009
13. Forte Group
Forte Group provides custom software development, application modernization, data engineering, cloud services, AI, and quality engineering. Its financial services practice works with fintech companies and established institutions, with published experience involving banking, mortgage, lending, and financial technology organizations.
The firm has longstanding ties to Chicago and continues to serve the local technology market. It can support a new banking product, strengthen an existing engineering team, or take responsibility for a defined modernization effort. Forte is particularly relevant to mid-market and enterprise buyers that want a product-oriented engineering partner without moving immediately to the delivery structure of a very large consultancy.
Key Facts
- Best for: Mid-market financial software and modernization projects
- Core services: Custom software, application modernization, data engineering, cloud, AI, QA
- Specialization: Fintech and financial services product development
- Location: Serves Chicago and the wider US market
- Notable strength: Supports both end-to-end delivery and dedicated engineering teams
Contact Information
- Website: www.fortegrp.com
- E-mail: moc.prgetrof@tcatnoc
- Facebook: www.facebook.com/fortegroupinc
- Twitter: x.com/ForteGrp
- LinkedIn: www.linkedin.com/company/fortegroup
- Instagram: www.instagram.com/fortegroup\_people
- Address: 1200 N Federal Highway, Boca Raton, FL 33432
- Phone: +1 312 757 4944
Conclusion
Chicago’s banking technology market offers a useful mix of local software studios, financial services consultancies, and global engineering firms serving the city. Some are better equipped to build digital banking and lending products from the ground up, while others focus on core modernization, platform integration, cloud migration, data engineering, or wider transformation programs.
The right partner depends less on company size and more on the work at hand. A focused team such as Itexus may suit a bank or fintech that needs hands-on product development and deep financial domain knowledge, while a larger consultancy may make more sense for a multi-system initiative involving extensive organizational change. Before committing, compare relevant banking projects, integration experience, security practices, delivery ownership, and the team that will actually handle the work.