Preparation and submission
We prepare and file your Corporation Tax Return (CT600) accurately and on time.
Company tax obligations can be complex, time-consuming and costly if mishandled. Kelly Accounting helps limited companies, contractors and SMEs stay compliant, reduce liabilities and operate efficiently, backed by more than 15 years of experience.

We manage the full process while identifying legitimate opportunities to save tax.
We prepare and file your Corporation Tax Return (CT600) accurately and on time.
We review accounts for allowable expenses and reliefs that may reduce tax liabilities.
Available deductions and allowances are reviewed so opportunities are not missed.
Construction companies can receive support with subcontractor verification and monthly returns. See our CIS compliance service.
Guidance on applicable reliefs, including R&D relief, capital allowances and annual investment allowances.
Over 15 years of experience and up-to-date ACCA-qualified tax expertise.
Face-to-face and remote options, transparent pricing and no surprise fees.
Careful coordination with HMRC and Companies House requirements.
A strong local reputation and relationships built around ongoing business needs.
“Used Kelly Accounting for a few months now, very professional and always here to help if we require it, no matter the time or day. Highly recommend.” — Craig
Good tax preparation depends on reliable records, a complete review of deductions and careful deadline management.
Accurate records are essential. We cross-check accounts so figures submitted to HMRC reflect the actual trading position, supported by our bookkeeping service where required.
We review operations and costs in detail and keep up with tax rules so eligible deductions are not overlooked.
We help prepare documentation and manage communication with HMRC, coordinating with records such as payroll where relevant.
We monitor deadlines and help ensure forms and payments are completed correctly and promptly.
Kelly Accounting supports companies across Crieff, Perthshire, Fife and Stirlingshire. The service is particularly suited to growing limited companies and SMEs seeking a long-term accounting relationship.

UK limited companies pay Corporation Tax on profits. Active companies must submit a return even when they make a loss.
The CT600 is normally due within 12 months of the company year-end, while payment is usually due nine months and one day after the accounting period ends.
It is not legally required, but professional preparation improves accuracy, reduces risk and helps identify legitimate tax savings.
You will typically need income and expense records, bank statements, invoices, receipts and details of assets and liabilities. We will guide you through the exact requirements.
Yes. We can assist with late submissions and amendments to earlier returns.