Ohio businesses looking for fintech software development can compare local engineering teams, national consultancies with Ohio offices, and providers offering remote delivery. The companies below cover different project needs, from building banking applications and investment platforms to replacing legacy systems and connecting financial data. Location and service coverage are identified in each entry to help distinguish an Ohio presence from a broader delivery model.

1. Itexus
Itexus builds financial software for banks, brokers, fintech businesses, and investment firms. It works on mobile banking, digital wallets, lending systems, trading platforms, and wealth management apps. The team handles product discovery, interface design, development, testing, and ongoing support. It also rescues unfinished or underperforming projects.
Much of its work is integration. Itexus connects financial products to payment providers, market data feeds, brokers, and identity verification services. The company is headquartered in the United States, has development offices in Europe, and serves North American clients from both.
Key Facts
- Core services: Fintech software development, product discovery, UI/UX design, project rescue, maintenance.
- Financial specializations: Banking, payments, lending, trading, wealth management.
- Project types: New financial products, complex integrations, legacy modernization.
- Location and coverage: U.S. headquarters in Dover, Delaware; European development offices; North American service coverage.
Contact Information
- Website: itexus.com
- E-mail: moc.suxeti@ofni
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- LinkedIn: www.linkedin.com/company/itexus-fintech-software
- Instagram: www.instagram.com/itexus.soft
- Address: 8, The Green, STE road, Dover, DE 19901

2. Taazaa
Taazaa is based in Hudson and pairs software product development with automation of financial workflows. Its finance projects include the Taurex Trading Coach, a resource management platform for Wipfli, and a mobile insurance app for The Difference Card. Some are customer apps; others are internal systems that financial services run on.
Taazaa offers dedicated product teams, platform modernization, and AI development. An Ohio company with an existing product can use it to speed up the application, redesign workflows, or add new features to the platform.
Key Facts
- Core services: Product development, AI workflow automation, platform modernization, dedicated engineering teams.
- Relevant experience: Trading technology, accounting workflows, insurance applications.
- Project examples: Taurex Trading Coach, Wipfli workflow platform, The Difference Card app.
- Headquarters: Hudson, Ohio.
Contact Information
- Website: www.taazaa.com
- Facebook: www.facebook.com/taazaainc
- Twitter: x.com/taazaainc
- LinkedIn: www.linkedin.com/company/taazaa-inc
- Instagram: www.instagram.com/taazaainc
- Address: 1780 Stoney Hill Dr., Suite A, Hudson, OH 44236

3. Expeed Software
Expeed Software builds fintech applications around financial data, fraud detection, and risk analysis. It creates digital account opening and identity verification portals, mobile finance apps, and dashboards for risk, profitability, and forecasting. It also modernizes core banking systems and builds open banking APIs.
With an office in Columbus, Expeed is a local choice for Ohio projects that link customer apps with operational data. It does both application engineering and analytics. A financial institution can use it to improve its software and the information its decision-makers see at the same time.
Key Facts
- Core services: Fintech app development, API development, core modernization, data analytics.
- Specialization: Fraud detection, onboarding workflows, financial risk dashboards.
- Project types: Banking applications and data-intensive financial systems.
- Location: Columbus, Ohio.
Contact Information
- Website: www.expeed.com
- E-mail: moc.deepxe@ofni
- Facebook: www.facebook.com/expeedsoftware
- Twitter: x.com/expeedsoftware
- LinkedIn: www.linkedin.com/company/expeedsoftware
- Instagram: www.instagram.com/weareexpeedians
- Address: 8101 N High Street, Suite 180 Columbus, OH 43235
- Phone: +1 614-516-0789

4. Ascendum Solutions
Ascendum Solutions handles product design, software engineering, and enterprise integration for financial technology projects. Headquartered in Cincinnati, Ascendum migrated a digital lockbox for a U.S. consumer bank and has worked on mortgage automation. It builds prototypes, front-end apps, back-end systems, and databases, and does quality assurance.
Its experience suits financial organizations that want to replace manual processes or connect existing platforms. Ascendum also offers data engineering and business architecture. So a project can cover how data moves between systems, not only how employees and customers use the new software.
Key Facts
- Core services: Custom software development, UX design, data engineering, enterprise integration.
- Relevant experience: Banking lockbox migration and mortgage automation.
- Delivery scope: Prototyping through development and quality assurance.
- Headquarters: Cincinnati, Ohio.
Contact Information
- Website: www.ascendum.com
- LinkedIn: www.linkedin.com/company/ascendum-solutions
- Instagram: www.instagram.com/ascendum
- Address: 10290 Alliance Road, Cincinnati, OH 45242
- Phone: +1 513-792-5100

5. Keyhole Software
Keyhole Software provides senior software consultants who work alongside in-house teams in Columbus and Central Ohio. In financial services, it works on payment processing, digital banking, lending, and data aggregation. It also modernizes older applications and mainframe workloads.
Two projects show the kind of engineering it does. Keyhole built a payment management system with React and .NET Core, and moved investment operations from COBOL to Java-based batch processing. That background fits institutions that need to extend established systems while key financial workflows keep running.
Key Facts
- Core services: Custom development, architecture consulting, API integration, legacy modernization.
- Financial specializations: Banking platforms, payment processing, investment operations.
- Technologies: Java, .NET, React, AWS, Azure.
- Ohio coverage: Columbus and Central Ohio.
Contact Information
- Website: keyholesoftware.com
- E-mail: moc.erawtfoselohyek@ofni
- Facebook: www.facebook.com/KeyholeSoftware
- Twitter: x.com/keyholesoftware
- LinkedIn: www.linkedin.com/company/keyhole-software
- Instagram: www.instagram.com/keyholesoftware
- Address: 111205 W 79th Street, Lenexa, KS 66214
- Phone: (877) 521-7769

6. Improving
Improving works in Columbus and the Cleveland area, offering application development, data engineering, and modernization. For the financial sector, it built the Thrivent Enterprise Integration Datastore. This system pulls data from several sources together so customer-facing apps can use it.
The project used real-time data streaming, APIs, and cloud infrastructure built on Kafka, DynamoDB, GraphQL, and AWS. Improving is a good fit when a financial company's app problems start with scattered or slow data. It can fix the integration layer and the applications that rely on it.
Key Facts
- Core services: Application development, data engineering, cloud modernization, AI solutions.
- Relevant experience: Financial data integration and banking application modernization.
- Project example: Thrivent Enterprise Integration Datastore.
- Ohio locations: Columbus and Independence in the Cleveland area.
Contact Information
- Website: www.improving.com
- Facebook: www.facebook.com/improvingdallas
- Twitter: x.com/improving
- LinkedIn: www.linkedin.com/company/improving-enterprises
- Instagram: www.instagram.com/lifeatimproving
- Address: 330 Rush Alley, Suite 150, Columbus, Ohio 43215
- Phone: +1 380-799-5431

7. Centric Consulting
Centric Consulting helps financial services firms modernize technology, build custom applications, and improve business processes. In Ohio, it has offices in Cincinnati, Cleveland, and Columbus. Besides software delivery, it works on data analytics, cloud platforms, cybersecurity, and enterprise applications.
That range helps when new software is one part of a change across several departments or systems. Clients can hire Centric for a project, for specific roles, or as a managed service. In financial services, it also covers the processes and risks around a technology change.
Key Facts
- Core services: Custom application development, technology modernization, cloud services, data analytics.
- Financial focus: Process improvement and technology transformation for financial services firms.
- Engagement options: Project-based consulting, role-based support, managed services.
- Ohio presence: Cincinnati, Cleveland, Columbus.
Contact Information
- Website: centricconsulting.com
- Facebook: www.facebook.com/CentricConsultingNational
- LinkedIn: www.linkedin.com/company/centric-consulting
- Instagram: www.instagram.com/centricconsulting

8. G2O
G2O works on financial technology through customer experience, product development, data integration, and engineering. Headquartered in Dublin, G2O helped a regional bank merge separate websites into one place where customers explore its products and services. The work included CMS integration, shopping features, and tools that guide customers to suitable products.
G2O fits banks that want customers to find and compare their services online more easily. It brings research and prototyping into development. Interface decisions are tied to the underlying technology and to the steps a customer takes through the service.
Key Facts
- Core services: Customer experience research, product development, technology integration, data services.
- Relevant experience: Regional bank digital experience modernization.
- Project focus: Customer-facing financial websites and product discovery journeys.
- Headquarters: Dublin, Ohio.
Contact Information
- Website: g2o.com
- LinkedIn: www.linkedin.com/company/team-g2o
- Address: 5455 Rings Rd, Suite 500, Dublin, OH 43017
- Phone: (614) 523-3070

9. Apexon
Apexon offers application development, platform modernization, data engineering, and quality engineering. Its clients are banks, financial institutions, insurers, and fintech businesses. It has an office in Dublin, Ohio, as part of a wider delivery network, and works on both new digital products and existing enterprise platforms.
In finance, Apexon has supported Seattle Bank's CD Valet platform. It also provides cloud engineering, data governance, and automated testing, which help a product get reliable data and repeatable releases. Buyers with many applications can get development and operations engineering from one team.
Key Facts
- Core services: Application development, platform modernization, cloud engineering, quality engineering.
- Financial focus: Digital products for banking, insurance, and fintech.
- Relevant client work: Seattle Bank's CD Valet platform.
- Ohio office: Dublin.
Contact Information
- Website: www.apexon.com
- E-mail: moc.noxepa@ofni
- Facebook: www.facebook.com/apexonofficial
- Twitter: x.com/ApexonGlobal
- LinkedIn: www.linkedin.com/company/apexon
- Instagram: www.instagram.com/apexonofficial
- Address: 565 Metro Pl S #3215, Dublin 43017, OH, USA

10. CapTech
CapTech works with banks, wealth management firms, insurers, and payment processors. It modernizes software and systems and pairs that with customer experience, analytics, and cloud engineering. From its Columbus office, it supports projects on digital transactions, operational systems, and financial data.
For one broker-dealer, CapTech built a digital simulation of its existing application without exposing customer data. This lets a company test a new experience before committing to a larger migration. CapTech also builds data solutions and applies AI to financial workflows and risk management.
Key Facts
- Core services: Product development, systems integration, cloud modernization, data analytics.
- Financial specializations: Banking, wealth management, insurance, payments.
- Project types: Digital transactions, customer applications, operational modernization.
- Ohio office: Columbus.
Contact Information
- Website: www.captechconsulting.com
- Twitter: x.com/CapTech_Tweets
- LinkedIn: www.linkedin.com/company/captechconsulting
- Instagram: www.instagram.com/captech_consulting
- Address: 175 South Third Street #820, Columbus, OH 43215

11. Persistent Systems
Persistent Systems pairs software product engineering with modernization of banking platforms. In financial services, it works on digital banking, lending, payments infrastructure, and banking-as-a-service. It has an office in Dublin, Ohio, as part of its international delivery network.
Persistent suits institutions changing several connected parts of their technology at once. It modernizes core platforms, integrates financial systems, and automates operations. Beyond retail banking, it handles corporate banking workflows such as treasury, cash management, and trade finance, which helps buyers with complex enterprise needs.
Key Facts
- Core services: Software product engineering, application development, enterprise integration, modernization.
- Financial specializations: Digital banking, lending, payments, corporate banking.
- Project focus: Core platform modernization and connected financial infrastructure.
- Ohio office: Dublin.
Contact Information
- Website: www.persistent.com
- E-mail: moc.tnetsisrep@ofni
- Facebook: www.facebook.com/PersistentSystems
- Twitter: x.com/Persistentsys
- LinkedIn: www.linkedin.com/company/persistent-systems
- Instagram: www.instagram.com/persistent_systems
- Address: 5080 Tuttle Crossing Blvd, Suite 150, Dublin OH – 43016
- Phone: +1 650-481-9180

12. CGI
CGI serves financial institutions with application services, systems integration, technology modernization, and its own banking software. In Ohio, it has offices in Cleveland, Columbus, Independence, and Westerville. It works in retail banking, corporate banking, transaction services, and capital markets.
Its banking products include CGI All Payments, CGI Credit Studio, and CGI Trade360. So CGI can both implement projects and supply ready-made banking platforms. This suits larger programs in payment processing, credit management, and trade finance, or ones that integrate established applications.
Key Facts
- Core services: Application services, systems integration, IT modernization, banking platform implementation.
- Financial specializations: Payments, credit management, trade finance, digital banking.
- Banking products: CGI All Payments, CGI Credit Studio, CGI Trade360.
- Ohio offices: Cleveland, Columbus, Independence, Westerville.
Contact Information
- Website: www.cgi.com
- Facebook: www.facebook.com/CGIGroup
- Twitter: x.com/cgi_global
- LinkedIn: www.linkedin.com/company/cgi
- Address: Cleveland, 1100 Superior Avenue East, Suite 200, Cleveland 44114
- Phone: +1 216-687-1480

13. Slalom
Slalom combines business consulting with software and digital product engineering, and has a Columbus office. Through Slalom Build, it serves banking, payments, wealth management, and capital markets. It built a digital wallet platform for Good Tree Capital and modernized cloud systems for Mint Payments.
Slalom fits a financial business that needs to define a product or service and then build the technology behind it. It links customer experience with application engineering and cloud systems. Development choices then follow a wider plan for how the service will run.
Key Facts
- Core services: Digital product engineering, software development, cloud modernization, customer experience.
- Financial specializations: Banking, payments, wealth management, capital markets.
- Project examples: Good Tree Capital digital wallet and Mint Payments cloud modernization.
- Ohio office: Columbus.
Contact Information
- Website: www.slalom.com
- Twitter: x.com/slalom
- LinkedIn: www.linkedin.com/company/slalom-consulting
- Address: 375 N Front Street, Suite 325, Columbus, OH 43215

14. Geneca
Geneca builds custom software for Ohio businesses, including financial services firms. In finance, it focuses on customer applications and the workflows behind them, for web, mobile, desktop, and cloud. It also provides systems integration and ongoing support.
Geneca works in milestones and picks technology to match each project's needs. It suits companies that need software built around their own account data, transactions, reporting, or customer interactions.
Key Facts
- Core services: Custom application development, systems integration, software consulting, support.
- Financial focus: Customer-facing software and tailored financial workflows.
- Application types: Web, mobile, desktop, cloud.
- Ohio coverage: Software development services for Ohio businesses.
Contact Information
- Website: www.geneca.com
- E-mail: moc.aceneg@selas
- Facebook: www.facebook.com/GenecaHQ
- Twitter: x.com/geneca
- LinkedIn: www.linkedin.com/company/geneca
- Phone: 630-599-0900

15. Chetu
Chetu builds custom financial software for accounting, trading, portfolio management, insurance, and factoring. It offers API programming, application integration, maintenance, and dedicated development teams. The company is based in Sunrise, Florida, and delivers remotely with U.S. project management.
Ohio buyers open to a remote partner can use Chetu to connect financial features with existing business applications. Examples include accounting systems linked to ERP or CRM platforms, portfolio dashboards, and accounts receivable workflows. Chetu takes on single integrations as well as larger custom applications.
Key Facts
- Core services: Financial software development, API programming, systems integration, maintenance.
- Financial specializations: Accounting, trading, portfolio management, insurance, factoring.
- Engagement option: Dedicated development teams with U.S. project management.
- Location and delivery: Sunrise, Florida; distributed software delivery.
Contact Information
- Website: www.chetu.com
- E-mail: moc.utehc@selas
- Facebook: www.facebook.com/ChetuInc
- Twitter: x.com/ChetuInc
- LinkedIn: www.linkedin.com/company/chetu-inc-
- Address: 1500 Concord Ter., Suite 100, Sunrise, FL 33323, U.S
- Phone: (305) 694-2509
Conclusion
Choosing a fintech software development company for an Ohio business starts with the project itself. A new banking app, a payment integration, and a legacy system upgrade call for different experiences. Compare providers by their work on similar financial products, their integration capabilities, and the support they offer after launch.
Before committing, agree on the development scope, security requirements, delivery responsibilities, and ongoing costs. For both local and remote teams, clear communication and a practical implementation plan should be part of the decision.