#Simple CompanyTax
FeaturesWho we supportPricingFor accountants
Create account / Sign inStart free preview →
← Back to help centre

Do I need to file company tax?

Last updated: 22 April 2026

Short version. Short answer: often yes. What you file — and when — depends on whether your company traded, made a profit, or is dormant.

On this page
  • If your company traded
  • If your company made no profit
  • If your company is dormant
  • Not sure what HMRC calls the tax return?

Many directors ask this when their company:

  • made no money
  • had very few transactions
  • is dormant

The short answer: often yes, but what you file depends on your situation.

If your company traded

You normally need to prepare statutory accounts and a company tax return (CT600).

If your company made no profit

You may still need to file — profit and “filing required” are not the same thing. Read: How to file company tax in the UK.

If your company is dormant

Dormant companies have different expectations. Read: Dormant company tax return (UK) and file dormant accounts with Companies House.

Not sure what HMRC calls the tax return?

HMRC commonly refers to it as a CT600. Read: What is a CT600?

Not sure? Start here.

File company accounts and CT600 online — we'll guide you through every step. From £10 +VAT/year.

Start filing →How it works →
Read our reviews on Trustpilot

Find out what you need to file.

One flow — statutory accounts and CT600, HMRC and Companies House, from £10 +VAT/year.
File with SimpleCompanyTax#Simple CompanyTax from £10 +VAT per company, per year. £10 +VAT for dormant companies. £25 +VAT for eligible micro-entities. Annual subscription. Compare plans and what's included.

Start filing →See pricing
SimpleCompanyTax#Simple CompanyTax

Affordable UK corporation tax filing for micro-entities.

✓ HMRC-compatible✓ IRmark signed✓ FRC taxonomy validated

Product

  • Features
  • CT600 software
  • Who we support
  • Pricing

Guides

  • Help centre
  • FAQ
  • How to file company tax
  • What is a CT600?

Company

  • About
  • Security
  • Support
  • Contact

Legal

  • Terms
  • Privacy
  • Cookies
© 2026 #Simple CompanyTax, a trading name of Infuzest Ltd (registered in England & Wales).
Read our reviews on Trustpilot