# Corp Tax Calculator (corptaxcalculator.co.uk)

Computes UK corporation tax, capital allowances, annuity and inheritance tax figures from figures the user enters.

- Atlas card: https://inite.ai/en/atlas/corptaxcalculator.co.uk
- Site: https://corptaxcalculator.co.uk
- For: UK limited companies and their directors checking corporation tax, capital allowances or R&D tax relief
- Categories: finance
- Use 0/100 · alive 87/100

## Used for

- Estimate corporation tax owed by a limited company
- Work out capital allowances on plant and machinery
- Find an adviser for an R&D tax relief claim

## Price

- no price printed, no free plan (read 2026-10-21 on https://corptaxcalculator.co.uk/annuity-cost/)

## For developers

- OpenAPI: https://corptaxcalculator.co.uk/openapi.json (11 paths)
- MCP server: uk.co.corptaxcalculator/site (namespace; open on 2026-10-21, 10 tools)
- Read 2026-10-21

## MCP server, measured daily

Server: https://corptaxcalculator.co.uk/mcp, checked every day since 2026-10-21 (6 checks).

- Answered: measuring, 6 daily checks so far
- Median first answer: 1449 ms
- Sign-in: none
- Context its tool definitions take: about 1239 tokens (10 tools)
- Tool definitions: B, 75/100
- Failing "params_described": 5 of 10 tools
- Failing "annotations": 10 of 10 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-21

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