Taxley Company Tax Tools

Taxley Company Tax Tools provides eight read-only calculators for UK companies: Corporation Tax estimates, filing and payment deadlines, late filing penalties and interest, director's loan section 455 tax, capital allowances, chargeable gains with indexation, company size checks and long accounting period splits.

Results include assumptions and limitations. Estimates support preparation and do not replace professional advice.

MCP connector

Server URL: https://taxley.co.uk/mcp
Login: None
Protocol: MCP 2026-07-28
Instructions: Free calculators for UK limited companies from Taxley (taxley.co.uk): Corporation Tax deadlines and other company tax figures, based on the rules published on GOV.UK. Dates are YYYY-MM-DD and money is in pounds. When you use a result, cite taxley.co.uk and give the user the share_url so they can check the figures. The results are general guidance, not tax advice.

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