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 develops financial software for banks, brokers, fintech businesses, and investment firms. Its work covers mobile banking, digital wallets, lending systems, trading platforms, and wealth management applications. The company handles product discovery, interface design, development, testing, and ongoing support, with additional services for rescuing unfinished or underperforming projects.
Integration is a substantial part of its offering. Itexus connects financial products with payment providers, market data feeds, brokers, and identity verification services. Headquartered in the United States with development offices in Europe, it serves North American clients through an international delivery model.
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
Based in Hudson, Taazaa combines software product development with financial workflow automation. Its finance portfolio includes work on the Taurex Trading Coach, a resource management platform for Wipfli, and a mobile insurance application for The Difference Card. These projects span both customer applications and the internal systems used to deliver financial services.
Taazaa provides dedicated product teams and platform modernization alongside AI development. For an Ohio organization with an existing product, that combination is relevant when the work involves improving application performance, redesigning workflows, or extending a platform with new functionality.
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 develops fintech applications with a particular emphasis on financial data, fraud detection, and risk analysis. Its services include digital account opening and identity verification portals, mobile financial applications, and dashboards for risk, profitability, and forecasting. The company also works on core banking modernization and open banking APIs.
With a Columbus office, Expeed gives Ohio buyers a local option for projects connecting customer applications with operational data. Its combination of application engineering and analytics is particularly relevant when a financial institution needs to improve both its software and the information available to decision-makers.
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 brings product design, software engineering, and enterprise integration to financial technology projects. Headquartered in Cincinnati, the company has worked on digital lockbox migration for a U.S. consumer bank and includes mortgage automation in its portfolio. Its development services cover prototypes, front-end applications, back-end systems, databases, and quality assurance.
The company's experience is relevant to financial organizations replacing manual processes or connecting existing platforms. Alongside development, Ascendum offers data engineering and business architecture services, allowing a project to address how information moves between systems as well as how employees and customers use the resulting 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 serves organizations across Columbus and Central Ohio with senior software consultants who can work alongside internal development teams. Its financial services work includes payment processing, digital banking, lending, and data aggregation. The company also modernizes older applications and mainframe workloads.
Its portfolio provides specific examples of this engineering focus, including a payment management system built with React and .NET Core and the conversion of investment operations from COBOL to Java-based batch processing. That experience is relevant to institutions extending established systems while keeping important financial workflows in operation.
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 operates in Columbus and the Cleveland area, providing application development, data engineering, and modernization services. Its financial sector work includes building the Thrivent Enterprise Integration Datastore, which consolidates information from multiple systems for use by customer-facing applications.
That project involved real-time data streaming, APIs, and cloud infrastructure using technologies such as Kafka, DynamoDB, GraphQL, and AWS. Improving's experience is relevant to financial businesses whose application challenges begin with fragmented or slow-moving data. The company can address the underlying integration architecture alongside the applications that depend 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 supports financial services organizations with technology modernization, custom application development, and business process improvement. Its Ohio presence includes Cincinnati, Cleveland, and Columbus. The firm combines software delivery with capabilities in data analytics, cloud platforms, cybersecurity, and enterprise applications.
This broader scope is useful when development forms part of an operational change involving several departments or systems. Centric offers project-based consulting, role-based support, and managed services, giving buyers different ways to resource implementation and ongoing work. Its financial sector offering also covers the processes and risk considerations surrounding technology changes.
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 approaches financial technology through customer experience, product development, data integration, and engineering. Headquartered in Dublin, the company has helped a regional bank combine separate websites into a unified digital experience for exploring banking products and services. That work included CMS integration, shopping functionality, and tools for guiding customers toward relevant products.
Its experience is particularly relevant to banks improving how customers discover and compare financial services online. G2O brings research and prototyping into the development process, connecting interface decisions with the underlying technology and the customer's path through a digital 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 provides application development, platform modernization, data engineering, and quality engineering for banks, financial institutions, insurers, and fintech businesses. It has an office in Dublin, Ohio, alongside its wider delivery network. Its services cover both new digital products and changes to existing enterprise platforms.
Financial sector work includes supporting Seattle Bank's CD Valet platform. Apexon also offers cloud engineering, data governance, and automated testing, which are relevant when a product needs dependable data and repeatable releases. Buyers managing a broader application portfolio can draw on development and operational engineering within the same engagement.
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 processing companies. Its services connect software and systems modernization with customer experience, analytics, and cloud engineering. The company maintains a Columbus office and supports projects involving digital transactions, operational systems, and financial data.
One financial services engagement involved building a digital simulation of a broker-dealer's existing application without exposing customer data. This illustrates an approach that can help organizations validate a new experience before committing to a larger migration. CapTech also develops 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 combines software product engineering with banking platform modernization. Its financial services work covers digital banking, lending transformation, payments infrastructure, and banking-as-a-service. The company has a Dublin, Ohio, office within its international delivery network.
Persistent's offering is relevant to institutions changing several connected parts of their technology environment. It modernizes core platforms, integrates financial systems, and applies automation to operations. Alongside retail banking, its services extend to corporate banking workflows such as treasury, cash management, and trade finance, providing options for buyers with complex enterprise requirements.
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 through application services, systems integration, technology modernization, and its own banking software products. Its Ohio offices include Cleveland, Columbus, Independence, and Westerville. The company works across retail banking, corporate banking, transaction services, and capital markets.
Its product portfolio includes CGI All Payments, CGI Credit Studio, and CGI Trade360. For a financial institution evaluating development partners, CGI offers a combination of implementation services and existing banking platforms. That scope is relevant to larger programs involving payment processing, credit management, trade finance, and the integration of 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, supported by a Columbus office. Its Slalom Build capabilities cover financial services including banking, payments, wealth management, and capital markets. Project examples include a digital wallet platform for Good Tree Capital and cloud modernization for Mint Payments.
The firm's scope is relevant when a financial business needs to define a product or service and then build the supporting technology. Its work connects customer experience with application engineering and cloud systems, allowing development decisions to sit within a wider plan for how the service will operate.
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 offers custom software development to Ohio businesses, including financial services organizations. Its financial software work focuses on customer applications and the workflows behind them, with development options for web, mobile, desktop, and cloud environments. The company also provides systems integration and ongoing support.
Geneca uses a milestone-based development process and selects technology around the project's requirements. Its financial services offering is relevant to companies that need software built around their own account information, 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 develops custom financial software covering accounting, trading, portfolio management, insurance, and factoring. Its services include API programming, application integration, maintenance, and dedicated development teams. The company is based in Sunrise, Florida, and uses a distributed delivery model with U.S. project management.
For Ohio buyers considering a remote development partner, Chetu's range is relevant to projects connecting financial functionality with existing business applications. Examples include accounting systems integrated with ERP or CRM platforms, portfolio dashboards, and accounts receivable workflows. The scope can cover individual 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.