# Contractor Pay Calculator (contractorpaycalculator.co.uk)

Estimates annual take-home pay from a day rate, comparing inside IR35 umbrella and outside IR35 limited company setups.

- Atlas card: https://inite.ai/en/atlas/contractorpaycalculator.co.uk
- Site: https://contractorpaycalculator.co.uk
- For: UK contractors comparing umbrella company and limited company take-home pay at a day rate
- Categories: commerce
- Use 0/100 · alive 87/100

## Used for

- estimate take-home pay from a day rate inside IR35
- compare umbrella and limited company take-home at a given rate
- see the employer NI, PAYE and dividend tax breakdown

## Price

- no price printed, no free plan (read 2026-10-26 on https://contractorpaycalculator.co.uk/#pricing)

## For developers

- OpenAPI: https://contractorpaycalculator.co.uk/openapi.json (6 paths)
- MCP server: uk.co.contractorpaycalculator/site (namespace; open on 2026-10-26, 5 tools)
- Read 2026-10-26

## MCP server, measured daily

Server: https://contractorpaycalculator.co.uk/mcp, checked every day since 2026-10-26 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 1245 ms
- Sign-in: none
- Context its tool definitions take: about 900 tokens (5 tools)
- Tool definitions: B, 83/100
- Failing "annotations": 5 of 5 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-26

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Source: INITE Atlas, https://inite.ai/en/atlas/contractorpaycalculator.co.uk. JSON: https://inite.ai/api/atlas/contractorpaycalculator.co.uk. MCP: https://inite.ai/api/mcp (atlas_lookup).