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 builds custom software for banks, credit unions, neobanks, lenders, payment providers, and fintech companies. It builds web and mobile banking apps, digital onboarding, KYC automation, and account management. It also delivers card controls, money transfers, credit scoring, and lending workflows. Its teams connect these products to payment gateways, banking APIs, identity-verification vendors, and legacy financial systems.
Itexus serves Chicago businesses through a US-based engagement, backed by engineering and fintech specialists. It fits institutions that want domain knowledge along with product discovery, architecture, UI/UX design, development, testing, deployment, and ongoing 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 strong offering for community banks and credit unions. It builds digital account opening, member portals, mobile banking, and financial analytics tools. It also writes middleware that connects modern apps to established core banking platforms.
The company has worked with systems from Jack Henry, Fiserv, and FIS. Caxy handles identity verification, audit logging, data encryption, role-based access, and fraud detection, which regulated financial software requires. Because it is based in Chicago, local institutions can easily hold workshops and meet stakeholders in person.
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 works from a Chicago office and builds custom web, mobile, cloud, and enterprise software. In fintech, it builds banking apps and payment products. It also does workflow automation, analytics, API development, and integrations with outside services.
Velvetech handles projects that span several technical areas, such as a customer portal tied to backend automation, real-time reporting, and data pipelines. Its AI and machine-learning work can help with transaction analysis, document processing, customer support, or fraud. 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 offers custom software engineering, AI implementation, data services, and team augmentation. Finance and banking are established industries for it. Its work applies to regulatory reporting, fraud detection, risk assessment, forecasting, and operational automation.
Intersog can build a product with its own delivery team or add specific skills to a bank's internal engineering department. That helps when a bank already has product leadership and architecture but needs more developers, data engineers, or AI specialists. Its distributed research and development footprint lets it staff larger projects.
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. It combines customer research, product strategy, experience design, and custom software development. Its financial services practice helps organizations launch fintech products or redesign existing digital services.
Highland starts with discovery, which helps when a bank sees a business opportunity but has not defined the user journey, product scope, or technical solution. The firm can take a project from early market exploration through product design and engineering. It fits customer-facing innovation and new products better than a narrow 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. It builds custom software and helps enterprises improve older applications, data environments, and cloud infrastructure. For financial services, it delivers secure digital products, process automation, analytics, and modernization for firms that handle sensitive financial data.
SPR can build new banking technology or improve what a bank already runs. That work includes cloud migration, application integration, data platforms, quality engineering, and AI implementation. Banks with complicated internal systems and several connected workstreams are its best fit. It is strongest when a project needs architecture, engineering, and delivery support, not just one app.
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. It works with large financial institutions on software delivery, modernization, data, cloud, and AI. Its financial services clients span retail and commercial banking, open banking, payments, capital markets, and wealth management.
The consultancy suits banks going through major transformation, not small one-off builds. Typical work includes modernizing a customer channel, restructuring a set of applications, building a new platform, or changing how internal teams deliver software. Thoughtworks also brings agile delivery and product-oriented operating models, which help when technology and organizational change 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
West Monroe, headquartered in Chicago, combines financial services consulting with technology and experience design. In banking, it works on digital transformation, customer experience, data strategy, payments, and lending. It also handles operational improvement and technology implementation.
West Monroe partners with banking technology providers such as nCino and Backbase, so it sits between custom development and platform implementation. Banks and credit unions hire it to assess their operating model, select or integrate technology, redesign processes, and build digital experiences. It is most useful when a project involves major business change 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 has a Chicago office and provides digital engineering and consulting for banking, lending, payments, fintech, investment management, and insurance firms. Its teams cover customer experience, AI, cloud platforms, analytics, software engineering, and enterprise systems.
Perficient is a sensible choice for banks running a mix of custom applications and large commercial platforms. It can connect these systems, modernize digital channels, improve data access, and add automation within risk and compliance limits. Its size also helps on programs that need several technical disciplines or span 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 runs a large consulting operation in Chicago. It serves banks, payment companies, capital-markets firms, insurers, and wealth-management organizations. Its work covers product engineering, cloud platforms, data, AI, systems implementation, and organizational transformation.
Institutions get local consultants backed by a wider national engineering organization. A banking engagement may cover customer apps, internal workflows, data platforms, cloud adoption, or integrating commercial technology products. Slalom works best when business, product, and technology stakeholders need to stay closely involved.
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 that works only in financial services. It covers banking and payments, capital markets, wealth and investment management, insurance, risk, and regulatory compliance. The firm has an established Chicago operation serving clients across the Midwest.
Its technology work includes digital products, core transformation, cloud, data, automation, and managed services. Capco's consultants know banking operations and regulation, which matters when software decisions depend on them. Consider it for complex institutional programs where domain consulting and technical implementation go hand in hand.
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 largest banking technology practices in the market. It works on core banking transformation, digital channels, payments, and cloud infrastructure. It also covers data, cybersecurity, AI, and managed services.
Its teams can handle strategy, platform selection, system integration, custom engineering, and operational support in one program. That makes Accenture a fit for large banks coordinating change across many products, departments, and geographic markets. Smaller institutions should check whether its scale and governance model match the size of their project.
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 offers custom software development, application modernization, data engineering, cloud services, AI, and quality engineering. Its financial services practice works with fintech companies and established institutions. It has published experience with banking, mortgage, lending, and financial technology organizations.
The firm has longstanding ties to Chicago and still serves the local technology market. It can build a new banking product, strengthen an existing engineering team, or own a defined modernization effort. Forte suits mid-market and enterprise buyers who want a product-minded engineering partner without the 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.