Corporation tax filing
Prepare and submit CT600 returns with built-in tax calculations, marginal relief, and period splitting.
Corporation tax filing, simplified
File your CT600 to HMRC and micro-entity accounts to Companies House in one streamlined process. HMRC and Companies House approved.
No credit card required to start
HMRC approved
File CT600 corporation tax returns directly to HMRC with built-in validation and calculation checks.
Companies House approved
Generate and submit iXBRL micro-entity accounts in the same filing session.
One simple workflow
No need for separate software. File both returns in one process, from start to submission.
Pricing
Simple, transparent pricing
Annual subscription. File as many returns as you need.
Everything you need to file
iXBRL accounts
Generate Companies House compliant micro-entity accounts with balance sheet and profit & loss.
Tax computations
Automatic corporation tax computations generated as part of every CT600 filing.
UK-based support
Help when you need it, from a team that understands UK corporation tax.
How it works
- 1Enter your company details and accounting period.
- 2Complete the CT600 and accounts forms with built-in validation.
- 3Submit directly to HMRC and Companies House.
Frequently asked questions
Who is this for?
Adams Winter is designed for UK micro-entity companies that need to file CT600 and accounts.
What does the subscription include?
CT600 filing to HMRC, iXBRL micro-entity accounts filing to Companies House, tax computations, and UK-based support.
Can I file only one return type?
Yes. You can file CT600, accounts, or both, depending on what your company needs.
Where do I get help?
Contact hello@adamswinter.com or visit the support centre.