# Cosine

**Source:** https://www.startuphub.ai/startups/cosine
**Profile type:** Startup

> UK's sovereign AI coding platform for critical infrastructure.

## About

Cosine is a British AI company that develops and deploys sovereign AI coding platforms. Their platform is designed to support legacy codebases and operate entirely within a customer's own infrastructure, without internet connectivity or reliance on foreign-managed models. This makes it suitable for organizations in defense, nuclear infrastructure, and financial services that have strict data residency and security requirements.

## Key facts

- **Slug:** cosine
- **Website:** https://cosine.sh/
- **Location:** United Kingdom
- **Founded:** 2022-01-01 00:00:00
- **Employees:** 36
- **Operating status:** Active
- **Total funding:** $5M
- **Sectors / tags:** Artificial Intelligence, Defense, Critical Infrastructure, Financial Services, AI Coding Assistant, Agentic AI, Sovereign AI, Defense Tech, Legacy Code Modernization, AI Developer Platform, Foundation Model, AI Tools & Apps
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/cosine-ai

## Frequently asked

### What does Cosine do?

Cosine is a British AI company that develops and deploys sovereign AI coding platforms. Their platform is designed to support legacy codebases and operate entirely within a customer's own infrastructure, without internet connectivity or reliance on foreign-managed models. This makes it suitable for organizations in defense, nuclear infrastructure, and financial services that have strict data residency and security requirements.

### What is Cosine's revenue?

StartupHub estimates Cosine's annual revenue at $8.7M (range $4.7M to $12.4M, 63% confidence), based on comparable companies in the sector.

### What is Cosine's valuation?

StartupHub estimates Cosine's effective valuation at $17.4M (range $11.3M to $27.0M, 21% confidence), based on comparable companies in the sector.

### How much funding has Cosine raised?

Cosine has raised a total of $5M in funding. The most recent round on record is Seed.

### Where is Cosine headquartered?

Cosine is headquartered in United Kingdom.

### When was Cosine founded?

Cosine was founded in 2022.

### What industry does Cosine operate in?

Cosine operates in Artificial Intelligence, Defense, Critical Infrastructure, Financial Services, AI Coding Assistant, Agentic AI.

### How many employees does Cosine have?

Cosine has approximately 36 people on record.

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