CBM Accounting is a London-based chartered practice delivering corporation tax, VAT, payroll, MTD, and advisory services to sole traders, limited companies, partnerships, charities and trusts across the UK.
Each engagement is partner-led, delivered by ACCA and CIMA-qualified specialists. Our services are designed to remove administrative burden and give you the numbers you actually need to make decisions.
Fully digital day-to-day bookkeeping, bank reconciliations, VAT-ready records, and management accounts built on Xero and QuickBooks.
Explore →CT600 preparation, capital allowances, group relief, R&D claims, transfer pricing, and year-round planning to keep your effective rate lawful and low.
Explore →Registration, MTD-compliant returns, scheme selection (Flat Rate, Cash, Annual), VAT health checks, and HMRC enquiry support.
Explore →Outsourced UK payroll — PAYE, NI, RTI, auto-enrolment pensions, P45/P60/P11D, and full Construction Industry Scheme returns.
Explore →Annual confirmation statements, statutory accounts, director ID verification, PSC registers, and every HMRC deadline tracked on your behalf.
Explore →SA100, CT600, SA800, SA900, CGT — for directors, landlords, sole traders, LLPs, trusts and expats. Every allowance captured, filed on time.
Explore →Statutory accounts, IFRS/FRS 102 disclosures, management packs, budgets, forecasts, and financial models that plug into your board pack.
Explore →HMRC-approved share plans for growing UK SMEs — valuation, VAL231 submission, ERS returns, and employee tax briefings.
Explore →HMRC enquiry representation, voluntary disclosures, forensic reconstruction, penalty mitigation, and Alternative Dispute Resolution.
Explore →From 6 April 2026, sole traders and landlords earning over £50,000 must keep digital records, submit quarterly updates, and file a Final Declaration. We handle the software, the filings, and the deadline calendar.
The new regime applies from 6 April 2026 for taxpayers with combined self-employment and property income above £50,000. Points expire after 24 months of compliance; a £200 fixed penalty triggers on the fourth point.
Whether you're filing your first SA100 or consolidating a group of trading companies, we structure the engagement around your entity — not the other way around.
Self-employment income, allowable expenses, MTD ITSA readiness, and personal tax planning.
See what's included →End-to-end: statutory accounts, CT600, director payroll, dividend planning, Companies House filings.
See what's included →SA800 returns, profit allocation, partner self-assessment, LLP annual accounts.
See what's included →SORP-compliant accounts, SA900, Gift Aid, Trustees' Reports, Charity Commission filings.
See what's included →Most firms send you a filed return once a year. We show you the position quarterly, flag the decisions before they cost you, and put every technical judgement in writing.
Meet the team →Every engagement is signed off by a qualified partner. No unsupervised juniors on your file, ever.
Transparent monthly retainers agreed upfront. If we take on new work mid-year we quote before we start.
Xero, QuickBooks, HMRC MTD, Companies House WebFiling — connected, automated, and always live.
Every client email is acknowledged within one working day. Technical answers within three.
CBM handle our UK corporation tax, VAT and payroll — and they've picked up two R&D claim opportunities we'd missed with our previous accountant. Fast, technical, and always available.
Practical, plain-English guides published by our tax team — no fluff, no filler.
Ten things sole traders and landlords over £50k must have in place before 6 April 2026.
Read the briefing →A refreshed guide to AIA, WDA, full expensing, and the SR allowance for FY26.
Read the briefing →Eligibility, valuation, HMRC notification, and the mistakes that disqualify the tax relief.
Read the briefing →A 30-minute call with a chartered accountant. We'll listen to what your business needs, flag any immediate compliance risks, and quote fixed monthly fees if we're a fit.