Company tax, computed and filed
Corporation Tax
Prepare CT600 returns and tax computations from the accounts, handle capital allowances and adjustments, and file to HMRC with iXBRL tagging — all linked back to the year-end file.
- CT600 with iXBRL tagging
- Capital allowances & adjustments engine
- Joint filing of accounts and computations
What Corporation Tax does for your firm.
CT computation
Build the tax computation from the trial balance with full adjustment workings.
Capital allowances
AIA, FYA, main and special rate pools tracked across years.
iXBRL tagging
Accounts and computations tagged and validated for HMRC.
Joint filing
Submit CT600, computations and accounts together to HMRC.
Losses & groups
Loss carry-back, carry-forward and group relief handled.
Year-end link
Flows straight from PracticeHub accounts production.
Where the AI actually helps.
Adjustment suggestions
AI proposes likely disallowables and add-backs based on the nominal detail.
Allowance optimiser
Recommends the most efficient capital allowance claim.
Validation assistant
Catches tagging and computation errors before submission.
Live in four steps.
Import
Pull the trial balance from accounts production.
Adjust
Apply add-backs and allowances with AI help.
Tag
Auto iXBRL tagging and validation.
File
Joint submission to HMRC.
Works alongside the rest of the toolkit.
See Corporation Tax on your own client list.
Book a walkthrough and we will use your real workflow rather than a demo dataset.