HMRC & Companies House approved
File your corporation tax
in minutes, not hours
CT600 returns to HMRC and micro-entity accounts to Companies House. One simple process, no accountancy jargon.
Not registered at Companies House? Click here
How it works
Three steps to filed returns
Find your company
Search by name or number. We pull your details from Companies House automatically.
Complete the form
Enter your figures with built-in validation, tax calculations, and smart defaults.
Submit
File your CT600 to HMRC and accounts to Companies House in one click.
Features
Everything you need to file
CT600 filing
Prepare and submit corporation tax returns with automatic calculations, marginal relief, and period splitting.
iXBRL accounts
Generate and file Companies House compliant micro-entity accounts with balance sheet and profit & loss.
Tax computations
Automatic corporation tax computations generated and filed alongside every CT600 return.
Confirmation statements
File your CS01 confirmation statement to Companies House with pre-populated company data.
Secure & encrypted
Your data is encrypted in transit and at rest. We never share your information with third parties.
Pricing
Simple, transparent pricing
Dormant
For dormant companies that need to file nil accounts and CT600.
- Dormant CT600 filing
- Dormant accounts filing
- Email support
Essential
For a single trading company. File CT600 and accounts as often as you need.
- CT600 filing to HMRC
- iXBRL accounts to Companies House
- Tax computations
- Priority support
Pro
For accountants and directors with multiple companies to file for.
- Everything in Essential
- Up to 3 companies
- Multi-company dashboard
- Priority support
For larger practices
Everything in Pro, scaled for your firm. Unlimited team members included.
All prices exclude VAT.
FAQ
Common questions
Who is @AdamsWinter for?
@AdamsWinter is for UK micro-entity limited companies that need to file CT600 corporation tax returns and/or annual accounts. Whether you're a sole director or an accountant managing multiple companies, we make filing straightforward.
What filings can I submit?
You can file CT600 corporation tax returns to HMRC and iXBRL micro-entity accounts to Companies House. You can file one or both in a single session.
Is my data secure?
Yes. All data is encrypted in transit (TLS) and at rest. We are HMRC-recognised and Companies House approved. Your financial data is only used to prepare and submit your statutory filings.
Can I try before I pay?
You can create an account and prepare your filing for free. You only need to subscribe when you're ready to submit.
What if I need help?
Our UK-based support team is available via email at hello@adamswinter.com. We typically respond within a few hours on business days.
Ready to file?
Search for your company above, or create an account to get started.
Create free account