From bookkeeping to Companies House and HMRC, in one place.
Keep your books, prepare your statutory accounts and your Corporation Tax return (CT600) from the same figures, then file them. Nothing is typed into a second system.
Books→Accounts→CT600→File
- Companies House filing
- HMRC Corporation Tax
- £0 to get started
- No card required
For accountants with clients, or directors doing their own
For accountants and bookkeepers
Every client company under one login, with staff and clients invited as a Manager, Editor or Viewer.
Statutory accounts from micro-entity to audited, a full tax computation and the CT600, and the Companies House forms, all from each client’s books.
A4O for accountantsFor limited company directors
Keep your company’s books, prepare the year-end accounts and your Corporation Tax return, and file both, without learning several systems.
The dashboard shows what’s due, and the help pages walk you through each filing.
A4O for small businessesFrom bookkeeping to filing, all in one place
Bookkeeping
Keep your day-to-day accounts up to date with your income, expenses and other transactions in one place.
No complicated setup. Just the records you need to keep your accounts moving.
Year-end accounts
When the year ends, prepare your company accounts using the bookkeeping you’ve already done.
Make any adjustments, review the figures and get everything ready to file.
Corporation Tax
Prepare your Corporation Tax return alongside your company accounts, rather than starting again somewhere else.
Review the calculation and submit to HMRC when you’re ready.
Companies House filing
Prepare and file supported company accounts with Companies House directly from A4O Accounts.
No copying the final figures into another piece of software.
Live todayMicro-entity, small, full, abridged, audited and dormant accounts · Company Tax Return (CT600) with CT600A and CT600L · Confirmation statements and company changes · Setting up a new company. Group and consolidated accounts aren’t supported. Everything you can file
One set of figures for Companies House and HMRC
Your year-end accounts and Corporation Tax return are closely connected. Your software should treat them that way.
A4O Accounts lets you work from the same underlying figures when preparing your Companies House accounts and HMRC Corporation Tax return.
That means less duplication and fewer opportunities for figures to get out of sync.
See how filing works
From bank statement to filed return in five steps
Keep your books up to date
Record your company’s income, expenses and transactions throughout the year.
Prepare your year-end accounts
Use those records to prepare your company accounts and make any year-end adjustments.
Prepare your Corporation Tax return
Work through your Corporation Tax calculation using the same underlying accounts.
Check everything
Review your accounts and tax return before anything is submitted.
File
When you’re happy, submit your supported accounts to Companies House and your Corporation Tax return to HMRC.
Accounts go to Companies House with the company’s authentication code, and the return goes to HMRC with your Government Gateway user ID and password, which you enter when you file. The confirmations stay with the company record.
How we look after your data
You’re trusting us with your company’s accounts, tax records and filing codes. Here’s how we protect them.
Your HMRC password isn’t kept
When you file a Corporation Tax return, your Government Gateway password is used for that submission and never stored. The copy of each submission we keep has the credentials removed.
Sensitive details are encrypted
Companies House authentication codes and HMRC and bank access tokens are encrypted in our database with AES-256-GCM. Passwords are hashed with bcrypt, and repeated failed sign-ins lock the account.
Every filing is logged
Each submission, and each change to key records, is logged with who made it and when, and the app has no way to edit or delete those records. Only a Manager on the company can submit a filing.
Common questions
Is it really free?
Yes. It’s free to get started, including filing, and you don’t need a card. If we ever introduce paid plans, we’ll tell you at least 30 days before anything changes.
Can I use A4O Accounts for my own limited company?
Yes. A4O Accounts is designed for both accountants and businesses that want to manage their own company accounts.
Can accountants use it for multiple clients?
Yes. A4O Accounts is designed so accountants and bookkeepers can manage multiple companies and keep each client’s work together.
Can I file accounts with Companies House?
A4O Accounts supports filing eligible company accounts with Companies House.
Some types of accounts, including group and consolidated accounts, aren’t currently supported.
Can I file Corporation Tax returns with HMRC?
Yes. You can prepare supported Corporation Tax returns and submit them to HMRC through A4O Accounts.
Does A4O Accounts include bookkeeping?
Yes. You can keep the company’s bookkeeping in A4O Accounts and use those records when preparing the year-end accounts.
What about payroll and Making Tax Digital?
Payroll (PAYE) is live: send your FPS and EPS to HMRC from A4O Accounts. Making Tax Digital is built and waiting for HMRC approval, and stays marked Coming soon until it’s switched on.
File your next return free
Start with a company, keep everything together and see how A4O Accounts fits the way you work.