Cheapest way to file your company accounts and CT600 in the UK

Tax Optimiser costs £10 + VAT (£12) per company per year for both your CT600 corporation tax return to HMRC and your statutory accounts to Companies House. Dormant companies pay £5 + VAT (£6). Of the providers we compared, that is the lowest price for a single company filing its own year end.

Annual cost for one limited company to file its CT600 and year-end accounts (prices checked 11 October 2026)
Provider Trading company Inc VAT Dormant HMRC Companies House
Tax OptimiserPer company per year; one fee covers both filings £10 + VAT £12 £5 + VAT (£6) Yes Yes
SimpleCompanyTaxAnnual subscription; micro-entities (FRS 105) only £23.33 + VAT £28 £8.33 + VAT (£10) Yes Yes
TinyTaxAnnual plan; micro-entities only £59 + VAT £70.80 £20 + VAT (£24) Yes Yes
TaxpipePay per return; Companies House filed separately £59 + VAT per return £70.80 Not listed Yes No
Easy Digital FilingPer filing; small company accounts £195 + £20 Companies House, + VAT (£258) £119 + £20 Companies House, + VAT £166.80 Not listed Yes Yes (add-on)
XeroAdd-on to a Xero subscription; micro-entities (FRS 105) £120 add-on + plan from £18/month, + VAT From £403.20 Not listed Yes Yes

Micro-entity trading company, one accounting period. Xero total uses the Ignite plan at its standard price (£18/month × 12 = £216) plus the £120 add-on. Prices may have changed since 11 October 2026 — see the sources below.

Annual cost at a glance

Cheapest first, for a trading company filing both its CT600 and its Companies House accounts:

  1. Tax Optimiser — £12 a year (£10 + VAT)
  2. SimpleCompanyTax — £28 a year (including VAT)
  3. TinyTax — £70.80 a year (£59 + VAT)
  4. Taxpipe — £70.80 per return (£59 + VAT), HMRC only (Companies House accounts still to file separately)
  5. Easy Digital Filing — £166.80 per filing (£119 + £20 Companies House, + VAT)
  6. Xero — from £403.20 a year (£120 add-on + £216 Ignite plan, + VAT)

For a dormant company: Tax Optimiser £6, SimpleCompanyTax £10, TinyTax £24 (all per year, including VAT).

How the alternatives compare

SimpleCompanyTax

£28 a year including VAT (£23.33 + VAT) for a trading micro-entity and £10 including VAT for a dormant company, as an annual subscription. Limited to micro-entities filing under FRS 105 (turnover under £1m). Tax Optimiser is £10 + VAT (£12) for a trading company and £5 + VAT (£6) for a dormant one.

Taxpipe

£59 + VAT (£70.80) per return with no subscription. At the time we checked it filed the CT600 and iXBRL accounts to HMRC only — your Companies House accounts are a separate filing. Tax Optimiser files to both for one fee.

TinyTax

£59 + VAT (£70.80) a year for one trading company and £20 + VAT for a dormant one, covering CT600 and Companies House accounts for micro-entities.

Easy Digital Filing

Charged per filing: £119 + VAT for a CT600 with micro-entity iXBRL accounts, plus £20 + VAT to submit to Companies House, and £40 + VAT extra for an extended accounting period. Small company accounts are £195 + VAT, or £258 including VAT with the Companies House add-on. A CT600 without accounts is £80 + VAT.

Xero

Company Accounts and Tax is an optional £120 + VAT a year add-on, and you also need a Xero subscription (Ignite £18, Grow £39, Comprehensive £55 or Ultimate £70 a month + VAT after the introductory offer). Aimed at micro-entity (FRS 105) accounts with simple or no losses. If you already keep your books in Xero, Tax Optimiser can pull your trial balance straight from Xero and file both returns for £10 + VAT.

What £10 + VAT includes with Tax Optimiser

  • CT600 corporation tax return and tax computation, filed directly to HMRC
  • Statutory accounts filed directly to Companies House, with automatic iXBRL tagging
  • Micro-entity (FRS 105) and small company (FRS 102 Section 1A) accounts
  • Two-way Xero and QuickBooks sync, or upload your own trial balance
  • Amended returns at no extra charge
  • Dormant companies at £5 + VAT

See the full Corporation Tax feature page or our pricing page, or read how pay as you go CT600 filing works.

Frequently asked questions

What is the cheapest way to file a CT600 and company accounts in the UK?
Tax Optimiser is the cheapest of the providers we compared: £10 + VAT (£12 including VAT) per company per year covers both the CT600 filed to HMRC and the statutory accounts filed to Companies House. Next cheapest was SimpleCompanyTax at £28 a year including VAT, then TinyTax and Taxpipe at £59 + VAT (£70.80) each; Taxpipe files to HMRC only.
How much does it cost to file dormant company accounts and a CT600?
Tax Optimiser charges £5 + VAT (£6 including VAT) per dormant company per year for both the dormant accounts and the CT600. SimpleCompanyTax charges £10 a year including VAT and TinyTax £20 + VAT (£24) a year.
Does Xero include CT600 and company accounts filing?
Not as standard. Xero's Company Accounts and Tax is an optional add-on at £120 + VAT a year, on top of a Xero subscription (from £18 + VAT a month after the introductory offer) — at least £336 + VAT a year in total. Tax Optimiser syncs with Xero and files both returns for £10 + VAT per company per year.
Does Taxpipe file accounts to Companies House?
At the time we checked, Taxpipe filed the CT600 and iXBRL accounts to HMRC only, at £59 + VAT (£70.80) per return, and stated that Companies House filing is a separate obligation. Tax Optimiser files to both HMRC and Companies House for £10 + VAT.
Are Tax Optimiser's prices including VAT?
Tax Optimiser's prices are shown excluding VAT. A trading company pays £10 + VAT (£12 in total) and a dormant company £5 + VAT (£6 in total) per year.
When were these prices last checked?
All competitor prices on this page were taken from each provider's public pricing page on . Prices may have changed since — follow the source links below to confirm current pricing.

Sources

Competitor prices taken from these public pages on 11 October 2026. We are not affiliated with any of these providers; all trademarks belong to their owners.

File your CT600 and accounts for £10 + VAT

One fee per company per year covers HMRC and Companies House. £5 + VAT for dormant companies.

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