UK corporation tax rules changed more between 2023 and 2026 than in the previous decade — full expensing, associated companies, R&D reform, marginal relief bands. We keep your effective rate lawful and low, and file everything on time.

What's included

  • CT600 preparation and filing with HMRC
  • Capital allowances review (AIA, full expensing, SR allowance)
  • R&D tax relief claims and the mandatory Additional Information Form
  • Group and consortium relief planning
  • Loss utilisation and carry-back claims
  • Transfer pricing documentation for cross-border groups
  • Quarterly forecasting so there are no cash surprises at year-end