What you can file with Taxley
Taxley prepares a UK limited company's CT600 Company Tax Return and files it to HMRC. It also files the company's accounts at Companies House, once the return is paid and finished. Pick the page that matches your company or the job in front of you; each one says what Taxley does, what it doesn't, and what it costs.
Last reviewed
By company type
Dormant company tax return software: file a nil CT600 online
A nil CT600 to HMRC, with or without dormant accounts, for a company that has to answer HMRC's notice.
File a property company's Corporation Tax return online
Enter rent, costs, mortgage interest and the balance sheet; Taxley works out the tax and files the return.
By filing job
File micro entity accounts online with your CT600
FRS 105 accounts filed to HMRC with the return, then at Companies House once it is paid and finished.
File two CT600s for a first accounting period over 12 months
Accounts longer than 12 months split into two CT600 returns, both filed to HMRC for one fee.
File a CT600 with the CT600A supplementary page for a director's loan
Section 455 tax worked out from the loan movements, with the CT600A filed alongside the CT600.
Claim a trading loss carry-back on your CT600 for a refund
A trading loss set against the previous 12 months' profits, claimed on the loss-making year's CT600.
File an overdue CT600 online
A late CT600 prepared and filed online with the company's own Government Gateway login, the same way as one filed on time.
File your company's first CT600 after incorporation
A new company's first return, with accounts from the date of incorporation, filed to HMRC and Companies House.
File the final CT600 and accounts when you close your company
The last return of a solvent company that is closing: no terminal loss claims, no company in liquidation or administration.
File FRS 102 Section 1A accounts, filleted or abridged, without an accountant
Small-company accounts prepared with the CT600 from your figures, filed at HMRC and as a filleted or abridged copy at Companies House.
iXBRL accounts and tax computation built for your CT600
The accounts and the tax computation built in iXBRL from your figures, checked, and filed with the CT600.
Upload iXBRL accounts made elsewhere and file the CT600
Accounts made in other software, checked against the return and filed to HMRC with the CT600 Taxley builds.
Marginal relief and associated companies worked out on your CT600
The small profits rate, the main rate and marginal relief, with the limits shared between the associated companies you enter.
Capital allowances and full expensing worked out on your CT600
The annual investment allowance, full expensing and the pools worked out from what the company bought and sold.
File a CT600 with a chargeable gain on property or shares
The gain on UK property or shares bought in one go worked out and filed on the CT600, with your own figure for other sales.
File company accounts and tax return online now CATO has closed
For people who used HMRC's closed free service: what replaced it and what Taxley files instead.
Corporation Tax deadline calculator
Free: enter a year end to see the payment date, the CT600 deadline and the accounts deadline.
Verify your identity for Companies House
Who must verify their identity for Companies House, and by when. Verify through GOV.UK One Login or an authorised agent (ACSP); Taxley does not verify identities.
Do I need an accountant to file my company tax return?
When filing it yourself works, and the returns Taxley can't file yet.
For accountants and agents
CT600 software for accountants and practices
Client returns from one practice login, filed with your own agent Government Gateway credentials.
Practice CT600 filing priced per return, with no per-user licence
Client returns paid for one at a time, by card or prepaid credits, with no per-user licence or subscription.
Send a client approval link before you file their CT600
A secure link for the client to check the return and give approval, recorded before the practice files.
A deadline calendar for every client's CT600 and tax payment dates
Every client return's CT600 and tax payment dates in one calendar, with an .ics download and the Companies House dates on the client list.
Not sure which applies?
Take the 30-second check to see whether Taxley fits your company. Preparing your return is free, and you pay only when you file.