Tax Return Services

Comprehensive Tax Return Services

CBM Accounting prepares and files all types of UK tax returns for individuals, partnerships, and companies. Our experienced team ensures every return is accurate, fully compliant with HMRC requirements, and submitted well before the deadline — so you never face late-filing penalties.

We go beyond simply completing forms. Our team reviews your financial position to identify every legitimate deduction, relief, and allowance available to you, ensuring you pay the right amount of tax — no more, no less.

Types of Tax Returns We Handle

• SA100 — Personal Self Assessment tax returns
• SA800 — Partnership tax returns
• CT600 — Corporation tax returns for limited companies
• SA900 — Trust and estate tax returns
• Non-resident landlord returns
• Capital Gains Tax returns for property disposals
• P11D — Benefits in kind reporting
• R&D tax credit claims and supplementary pages

Our Process

• Initial consultation to understand your income sources and circumstances
• Collection and organisation of all relevant documents and records
• Preparation of your tax return with full tax computations
• Review by a senior accountant for accuracy and compliance
• Discussion of your tax liability and payment options
• Electronic filing with HMRC and confirmation receipt
• Ongoing support for any HMRC queries or correspondence

Deadlines & Penalties

Missing HMRC deadlines results in automatic penalties — £100 for one day late, escalating to daily penalties after 3 months, and further charges after 6 and 12 months. Interest is also charged on any unpaid tax. CBM Accounting tracks every deadline and ensures timely filing for all clients.