Tax Compliance

Tax compliance is unforgiving in a specific way: it punishes lateness and inaccuracy automatically, through penalties and interest that arrive without anyone at HMRC lifting a finger. And the obligations multiply quietly — a company acquires a subsidiary, a director starts receiving dividends, a threshold is crossed — until the calendar of what must be filed, by whom, by when, is something nobody in the business fully holds.

Acumon holds it for you. We maintain the complete compliance calendar across your company and its people, prepare and file everything that falls due, and review the returns for accuracy rather than just assembling them — because a return that is filed on time but wrong is not compliance, it is a deferred problem.

Corporation Tax Compliance

We prepare and file corporation tax returns and the computations behind them: capital allowances claimed properly, reliefs applied where due, losses used in the right direction, and iXBRL-tagged accounts attached as HMRC requires. Payment deadlines — including the quarterly instalment regime that catches growing companies by surprise — are diarised and notified in advance, so the tax is funded rather than discovered.

Personal and Partnership Compliance

Directors, shareholders, partners and the self-employed each carry their own filing obligations, and they interact with the company's: dividend records, benefit-in-kind reporting, partnership allocations. We prepare self assessment and partnership returns alongside the corporate work, so nothing falls into the gap between company and personal — the single most common place compliance failures live.

Accuracy, Not Just Punctuality

HMRC's penalty regime distinguishes between careless and deliberate errors, and between prompted and unprompted corrections — which means the quality of a return matters as much as its timing. Every return we file is reviewed by a qualified advisor against the underlying records, and where we find historic errors we advise on correcting them proactively, which consistently produces the lowest-penalty outcome.

When Compliance Meets Everything Else

Compliance is the floor, not the ceiling. Because the same team sees your returns every year, it also sees what the returns reveal: reliefs going unclaimed, structures that leak tax, and planning opportunities with deadlines of their own. Compliance clients get those observations as a matter of course — and where HMRC raises an enquiry into any return, our tax investigation specialists take over the correspondence.

What You Get With Acumon

• A complete compliance calendar maintained across company and personal obligations
• Corporation tax returns, computations and iXBRL filing
• Self assessment, partnership and directors' returns prepared together
• Quarterly instalment payment monitoring for growing companies
• Every return reviewed by a qualified advisor before filing
• Historic errors corrected proactively, at the lowest-penalty route
• Deadline and payment notifications before they are due, not after
• HMRC enquiries handled by our tax investigation specialists

Why Acumon for Tax Compliance?

• Many of the firm's qualified tax advisors previously worked for HMRC
• In-house Chartered Tax Advisor (CTA), qualified by the Chartered Institute of Taxation
• All 90 of the firm's professionals are based in the UK
• One team covers corporation tax, personal tax, VAT and payroll — no obligations falling between advisors

Get a Fixed-Fee Quote

Tell us what you need and we'll come back within one business day with a clear scope and a fixed price — no hourly-rate surprises. Call 020 8567 3451 or use the form and we'll be in touch.