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Tax Optimiser
Tax Optimiser
    • MTD VAT Returns
    • MTD for Income Tax
    • Accounts Production
    • Working Papers
    • Corporation Tax
    • Dormant companies
    • All products
    • Corporation Tax
    • Pricing
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UK tax filing software for companies and accountants

Accounts to Companies House, CT600 to HMRC, and Making Tax Digital for VAT and Income Tax. Accounts and CT600 are paid per filing, with no subscription.

Corporation Tax

£10 + VAT per company

CT600 and iXBRL computations filed to HMRC, with your statutory accounts filed to Companies House. One fee covers both.

Accounts Production

Included with the £10 + VAT filing

FRS 105 micro-entity and FRS 102 Section 1A accounts from Xero, QuickBooks or a trial balance, tagged as iXBRL automatically.

Dormant companies

£5 + VAT per company

Dormant accounts to Companies House and a nil CT600 to HMRC. Enter the company number and submit.

Working Papers

Free with every filing

Year-end working papers and review points built into accounts production.

MTD VAT

£30 + VAT a year, first year free

Making Tax Digital VAT returns, including bridging from Excel spreadsheets.

MTD for Income Tax

£30 + VAT a year, first year free

Quarterly updates and the final declaration for sole traders and landlords, from Excel or digital records.

Calculators

Free

UK Corporation Tax calculator with marginal relief and per-financial-year apportionment.

Compare prices

Checked September 2026

How our CT600 and accounts price compares with TinyTax, Xero, Taxpipe and others.

See all pricing Read the help guides


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