Every Corporation Tax Relief Available to UK Companies (2025/26 Complete List)
Every corporation tax relief for UK companies in 2025/26 — R&D, creative industry, patent box, capital allowances, and more.
Plain-English guides to UK Corporation Tax and CT600 filing.
Every corporation tax relief for UK companies in 2025/26 — R&D, creative industry, patent box, capital allowances, and more.
Non-UK company with UK activities? When you must register for corporation tax, file a CT600, and what counts as a permanent establishment.
How company cars affect corporation tax. Capital allowances for cars, benefit in kind rules, and CT600 treatment.
Should you incorporate? Tax comparison between sole trader and limited company at every profit level — income tax, NI, dividends.
Find out whether your limited company needs to file a CT600 Corporation Tax return with HMRC. Covers dormant companies, new companies, losses, and exemptions.
CT600 vs Self Assessment: the key differences between company tax returns and personal tax returns. Who files which and why.
Step-by-step guide to filing a nil Corporation Tax return for your dormant limited company. Avoid penalties — even dormant companies must file with HMRC.
What iXBRL accounts are, why HMRC requires them with your CT600, and how to generate them without expensive software. Plain English guide for company directors.
Step-by-step guide to setting up your HMRC Corporation Tax online account. Register, activate, and manage your company tax — including how to file your CT600.
Corporation tax guide for freelancers with a limited company. Covers allowable expenses, IR35, dividends, and filing your CT600.
What records your UK company must keep for corporation tax. Covers retention periods, digital records, HMRC inspection powers, and penalties for poor record keeping.
How UK company share buybacks are taxed. Covers income vs CGT treatment, capital distribution conditions, and when to use a share buyback for your limited company.