Existing system support and development
Enhancements, integrations, and support for the platforms you already run, including Microsoft Dynamics 365, SharePoint, and Power Platform.
More on system supportSoftware engineering ยท Caro, Michigan
Dependable software for business and government.
Cotangent Tech builds new applications, supports the systems you already run, and modernizes the ones holding you back. We work with businesses, individuals, federal agencies, and their prime contractors.
What we do
Four service lines, each available as a fixed-scope project, ongoing support, or subcontracted work.
Custom software and web applications
Business applications, customer portals, internal tools, and APIs, designed around how your organization works.
More on custom softwareLegacy system modernization
Assessment, migration, and re-platforming of aging systems, carried out in stages so daily operations keep running.
More on modernizationCloud, DevOps, and data
Cloud hosting, automated builds and deployments, databases, and data pipelines that are documented and easy to maintain.
More on cloud and dataWho we work with
We take on work of every size, from a single fix to a multi-year program.
Businesses
Direct projects, ongoing support agreements, and subcontracted work for software firms, IT providers, and consultancies.
Individuals and independent professionals
Anyone who needs software built, repaired, or explained, with the same written scope and pricing we give every client.
Federal agencies and prime contractors
Prime contracts, subcontracts, and teaming arrangements. Our company data, NAICS codes, and capability statement are on the Government page.
View government informationHow we work
Every engagement follows the same four steps, so you know what happens next and what it will cost.
- Initial conversationWe learn what you need and tell you plainly whether we're the right fit.
- Written proposalScope, schedule, and price in writing before any work begins.
- Build and reviewWorking software delivered in short increments, with regular check-ins.
- Handover and supportDocumentation and source code delivered as your agreement specifies, plus support options.
Company at a glance
| Legal name | Cotangent Tech Inc. |
|---|---|
| Organization | Michigan for-profit corporation, incorporated September 24, 2026 |
| Location | Caro, Michigan, United States |
| Business size | Small business |
| Federal registration | SAM.gov registration in progress. The UEI and CAGE code will be posted on the Government page once assigned. |
Have a project or a solicitation in mind?
Tell us what you need. We'll reply with next steps, usually within one business day.