File your company's Corporation Tax — start to finish, online.
Enter your figures and we prepare your CT600, your FRS 105 / FRS 102 iXBRL accounts and your tax computations — ready to file with HMRC. Companies House filing is in final testing.
Pay only when you file — from £10 per return. 50% off right now. No subscription.
- Taxable profit
- £53,000.00
- Marginal relief
- (£2,955.00)
- Corporation Tax
- £10,295.00
- Secure payments by Stripe
- Data encrypted at rest · TLS
- ICO registered
- UK company · 17299929
- HMRC GovTalk · FRC iXBRL
- Security & data →
What you get
Everything a simple company needs
Your CT600, done
Your income (trading turnover or rental), allowable expenses and finance costs in — taxable profit, marginal relief and the CT600 boxes out, with a line-by-line schedule you can audit.
Accounts included
Micro-entity or small-company accounts generated as inline XBRL (iXBRL) — FRS 105 or FRS 102 §1A — tagged to the FRC taxonomy and validated before filing.
Filed with HMRC
Submit your CT600 + accounts to HMRC over GovTalk from one place. Companies House filing is in final testing and will be added soon — at no extra cost.
The right tax, every time
Main rate, small profits rate and marginal relief by financial year — and long first periods are split into two returns automatically.
Pay only when you file
No subscription. A single fee when you file, charged securely via Stripe.
Your data, encrypted
PII and generated filings encrypted at rest, full audit trail, GDPR export & delete built in.
Companies House lookup auto-fills your details · Import figures from a trial-balance CSV · Dormant & charity (CT600E) fast paths · Multiple companies, one account
The process
From figures to filed in four steps
Enter your figures
A guided wizard for company details, your P&L and the FRS 105/102 balance sheet. Save as you go.
Review the computation
We calculate the tax and show the schedule. Generate and validate the iXBRL accounts + computations.
Pay the filing fee
A one-off fee, charged securely before the final filing is produced.
File & keep copies
Submit to HMRC, then download copies of everything filed with full audit trail. Companies House filing will be added soon.
Pricing
Simple, pay-as-you-file pricing
No subscription. Pay once, per return. Launch offer — 50% off.
Typical UK fee for a simple company's Corporation Tax return and accounts. Complex cases (capital allowances, group relief) still need an accountant — we flag those.
Dormant
£10 £19
50% offNil CT600 return for a dormant company.
Companies House filing coming soon
Best for: a company with no significant transactions in the period — we skip the profit & loss step and file a nil return to HMRC. Companies House filing will be added soon.
Start your returnCT600 + Micro accounts
£45 £89
50% offCT600 + FRS 105 micro-entity iXBRL accounts.
Companies House filing coming soon
Best for: most small companies. Pick this if you meet any two of: turnover ≤ £1m, balance sheet ≤ £500k, ≤ 10 employees — typical of small landlords and owner-managed firms.
Start your returnCT600 + Small accounts
£85 £169
50% offCT600 + FRS 102 §1A small-company iXBRL accounts.
Companies House filing coming soon
Best for: companies that have outgrown the micro limits but still count as small (bigger turnover/balance sheet or more staff), or that want fuller FRS 102 disclosures.
Start your returnCompanies House accounts filing is in final testing and will be included with the Micro & Small plans — no add-on fee. Full pricing →
Income Tax
Launching soon — free during betaAlso from Taxley: Making Tax Digital for Income Tax
Quarterly MTD filing for sole traders and landlords — digital records by manual entry or CSV import, cumulative quarterly updates and the year-end final declaration, filed to HMRC. Mandatory from April 2026 for qualifying income over £50,000.
- Digital records — type them in or import a CSV
- Cumulative quarterly updates you review before submitting
- Self-employment and UK & foreign property income
Frequently asked
A one-off fee per return, from £19, with no subscription — you only pay when you choose to file, and preparing and previewing your return is free. Micro accounts are £89 and small (FRS 102 §1A) accounts £169. Companies House filing is in final testing and included when it launches, at no extra cost; see the pricing page for the full breakdown.
Directors of UK limited companies of any business type — trading, services, or property — filing micro-entity (FRS 105) or small (FRS 102 §1A) accounts. Dormant companies and charities/CASCs (CT600E) are supported, long first periods are split into two returns automatically, and you can manage multiple companies under one account. Accountants and agents can also file on behalf of clients (agent mode) using their own Government Gateway login.
No — recognition is HMRC's optional technical accreditation, not an endorsement, and it is not required to file. Taxley is independent and files Corporation Tax returns live to HMRC using your own Government Gateway login. It is still maturing, so review your return before you file; see the status note in the footer.
For anything beyond the simple case, yes — and for trading companies, capital allowances and loss relief need an accountant. Even for the simple case we recommend a qualified review; the computation and iXBRL tagging carry expert-review flags.
PII and generated filings are encrypted at rest, traffic is TLS-only, and you can export or delete your data at any time. See the Security page.
Yes — Taxley MTD handles digital records, cumulative quarterly updates and the final declaration for sole traders and landlords. It's free during beta; see the MTD Income Tax page for details.
Late CT600 filing means an automatic £100 HMRC penalty — don't leave it to the deadline.
Ready to prepare your return?
Create a free account and only pay when you file.
Start your return- Free to prepare
- No card until you file
- Export or delete your data anytime