VMK Accountants Limited: Business Advisors & Tax Consultant
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    HMRC Defence, Same-Day Response

    HMRC enquiry and tax investigation accountant in Harrow

    A brown envelope from HMRC is one of the most stressful letters a taxpayer can receive. Do not reply on your own, do not ignore it, and do not phone the inspector before you are ready. Send the letter to VMK Accountants and, at no cost, we will read it, translate what HMRC is really asking, tell you the realistic exposure, and quote a fixed professional fee to deal with HMRC on your behalf. Most enquiries are closed faster, with smaller penalties and less disruption, when an experienced representative is on record from day one. We have defended landlords, contractors, restaurant owners, IT consultants, medical professionals and family businesses across Harrow, Kenton, Wembley, North West London and the wider UK.

    Free HMRC letter review Same-day response to HMRC Fixed fees, no hourly billing COP8 and COP9 experience Let Property Campaign specialists Worldwide Disclosure Facility Penalty mitigation and appeals Alternative Dispute Resolution

    Every type of HMRC enquiry we handle

    HMRC opens enquiries in several distinct ways, and knowing which one you have received determines the correct strategy from day one.

    • Aspect enquiries question one specific figure or claim on a return, such as a large repair, a capital allowance claim or an unusual expense. Scope is limited, but a careless answer can widen it fast.
    • Full enquiries review one or more complete tax years across all income sources. These usually require a full disclosure of records, meetings and written submissions.
    • Cross-tax enquiries combine Income Tax, PAYE, VAT and Corporation Tax reviews, typically for owner-managed limited companies.
    • Code of Practice 8 (COP8) is used where HMRC suspects tax avoidance through a planned arrangement, but not fraud.
    • Code of Practice 9 (COP9) is used where HMRC suspects serious tax fraud. The Contractual Disclosure Facility offers immunity from criminal prosecution in exchange for a full, honest and complete disclosure within 60 days.
    • Worldwide Disclosure Facility (WDF) is the route for undeclared offshore income, gains or assets.
    • Let Property Campaign is the dedicated disclosure route for undeclared rental income, with typically lower penalties than for landlords found out first.
    • Digital Disclosure Service covers other unprompted disclosures of past errors.

    Regardless of the type, once we are appointed as your agent via Form 64-8, all correspondence routes through us in writing, giving you the time and calm needed to answer accurately.

    Why early professional representation matters

    HMRC inspectors are trained to gather information, and they use interviews, phone calls and open-ended questions to do so. A stressed taxpayer answering off the cuff can introduce inconsistencies that drag an enquiry on for months, expand the years under review and inflate penalties substantially.

    Once VMK is on record as your representative, HMRC contacts us, not you. Every response is considered, evidence-based and limited to exactly what HMRC is legally entitled to ask. That single change of channel routinely halves the length of an enquiry. We have closed enquiries in under eight weeks that other firms had let drift for more than a year.

    Where meetings are unavoidable we attend on your behalf and, if you must be present, we prepare you thoroughly and sit with you throughout. You are never obliged to answer questions on the spot.

    Penalties, and how we reduce them

    HMRC penalties for inaccuracies range from 0% of the tax underpaid (innocent error, full unprompted disclosure) to 100% (deliberate and concealed behaviour). The identical tax figure can attract wildly different penalties depending on how HMRC classifies the behaviour and the quality of disclosure.

    By making timely, well-documented voluntary disclosures, presenting mitigating factors and cooperating fully but strategically, we routinely secure penalty reductions of 30% to 90% from HMRC's starting position. Where appropriate we negotiate suspended penalties, so the charge falls away entirely if agreed conditions are met over the next 6 to 24 months. Where the settlement figure genuinely cannot be paid immediately, we negotiate Time-to-Pay arrangements spread over 12 to 60 months.

    Alternative Dispute Resolution and appeals

    Not every disagreement with HMRC has to end in court. Alternative Dispute Resolution (ADR) uses a trained HMRC mediator to unlock stalled enquiries, correct misunderstandings and reach a settlement without formal appeal. In our experience ADR is under-used and, on the right facts, resolves matters in weeks rather than years.

    If ADR is not appropriate, or does not produce a fair outcome, we prepare statutory reviews and, where needed, refer First-tier Tribunal appeals to specialist tax counsel with a full evidence bundle already prepared.

    Common triggers behind an HMRC enquiry

    Understanding what caught HMRC's attention often shapes the defence. Common triggers we see include: rental income that does not match Land Registry ownership patterns, cash-heavy businesses with unusually low margins, directors' loan accounts sitting overdrawn for years, cryptocurrency disposals reported by exchanges under the Crypto-Asset Reporting Framework, foreign income appearing on Common Reporting Standard data, large one-off expenses in a Self Assessment return, VAT returns that differ significantly from the corporation tax accounts, and repeated CIS deductions without matching contractor records.

    Wherever possible we identify the trigger early and address it head-on in our first response, which shortens the enquiry considerably.

    Fee-protection insurance for peace of mind

    For a modest annual premium we can include a fee-protection policy that pays our professional fees if HMRC opens an enquiry in the future. It is genuinely worth having if you own rental property, run a limited company, are self-employed or have any overseas connections. Speak to us on your next renewal.

    What's included

    Enquiry handling

    • Acknowledge HMRC within 24 hours
    • File Form 64-8 to take over correspondence
    • Scope and answer information requests
    • Attend meetings in person or virtually
    • Prepare written submissions and appendices
    • Negotiate the closure notice terms

    Disclosure facilities

    • Let Property Campaign for landlords
    • Worldwide Disclosure Facility for offshore assets
    • Digital Disclosure Service for other unprompted disclosures
    • Code of Practice 9 Contractual Disclosure Facility
    • Voluntary unprompted disclosures
    • Crypto disclosures under CARF

    After the enquiry

    • Penalty mitigation arguments
    • Suspended penalty agreements
    • Time-to-Pay arrangements (12 to 60 months)
    • Statutory review requests
    • Alternative Dispute Resolution (ADR)
    • First-tier Tribunal appeals (with counsel)

    Specialist areas

    • Landlord and rental income enquiries
    • CIS and construction sub-contractor reviews
    • Restaurant and cash business investigations
    • Directors' loan account and s455 disputes
    • IR35 status enquiries for contractors
    • R&D tax credit enquiries and rejections

    Business enquiries

    • VAT compliance visits and assessments
    • PAYE and employer compliance reviews
    • Corporation tax full enquiries
    • Cross-tax investigations
    • Making Tax Digital compliance failures
    • Off-payroll working (IR35) determinations

    Reduce future risk

    • Historic return health-checks
    • Compliance process reviews
    • Fee-protection insurance
    • Proactive tax planning
    • Robust digital record-keeping
    • Annual pre-filing review

    How it works

    1. 1

      Send the letter

      Email or drop in the HMRC letter. We read it, translate it and reply free of charge, usually the same working day.

    2. 2

      Strategy call

      30-minute call covering scope, realistic exposure, likely timeline and a transparent fixed-fee quote.

    3. 3

      We take the lead

      We file Form 64-8, contact HMRC in writing, and manage every meeting, submission and deadline on your behalf.

    4. 4

      Close it down

      We negotiate the closure notice, mitigate penalties, agree any Time-to-Pay and confirm the matter is fully settled.

    Frequently asked questions

    How much does HMRC enquiry representation cost?+

    Simple aspect enquiries are quoted at a fixed all-in fee. Full enquiries typically run into low thousands of pounds depending on the number of years, complexity and volume of records. Serious fraud (COP9) work is quoted individually after a scoping call. Every quote is fixed in writing before we start any work.

    Do I have to attend meetings with HMRC?+

    Usually no. We attend on your behalf and answer written questions afterwards. If HMRC insists on meeting you, we attend with you, control the pace of the meeting and prepare you fully beforehand. You are not obliged to answer questions on the spot and can always take matters away for written reply.

    What if I already replied or spoke to HMRC and made it worse?+

    Don't panic. We frequently step into enquiries at every stage, including after meetings, phone calls or partial responses. Send us the full file and we will reset the relationship with HMRC, correct misunderstandings and get the enquiry back on a controlled track.

    How long does an HMRC enquiry take?+

    A well-scoped aspect enquiry can close within 8 to 12 weeks. Full enquiries typically run 6 to 18 months, and serious COP8 or COP9 investigations can take one to three years. Prompt, complete and well-drafted responses shorten the process significantly.

    What is the difference between COP8 and COP9?+

    COP8 is used where HMRC suspects tax avoidance (a planned arrangement to reduce tax) but not deliberate fraud. COP9 is used where HMRC suspects deliberate fraud. Under COP9 the Contractual Disclosure Facility allows you to make a full disclosure within 60 days in exchange for immunity from criminal prosecution. Never respond to a COP9 letter without a specialist adviser.

    I have undeclared rental income going back years. What should I do?+

    The Let Property Campaign is HMRC's dedicated disclosure route for landlords. Coming forward voluntarily usually means much lower penalties than being caught first. We handle the whole process from notification, through calculating undeclared income and interest, to final settlement and, where needed, Time-to-Pay.

    Can you help with a Worldwide Disclosure Facility case?+

    Yes. We prepare WDF disclosures for clients with offshore bank accounts, foreign rental property, non-UK pensions, inherited overseas assets and cryptocurrency held on foreign exchanges. We coordinate with your bank, overseas adviser and, where sensitive, with specialist tax counsel.

    Do you offer fee-protection insurance?+

    Yes. For a modest annual premium we can include a policy that pays our professional fees in the event of an HMRC enquiry, so you never have to pay out of pocket for representation. It is worthwhile for anyone with rental property, a limited company, self-employment or overseas connections.

    Do you work with clients outside Harrow?+

    Yes. Most enquiry work runs entirely by email, secure portal and telephone or Zoom. We have represented clients across Greater London, the Home Counties, the wider UK and expats overseas. The HMRC office handling your case is rarely local to you in any event.

    VMK Accountants Ltd

    17 Hunters Grove, Kenton, Harrow HA3 9AB

    Got an HMRC letter? Send it today.

    Email a scan to admin@vmkaccountants.co.uk or call 07956 309363. We will review the letter free of charge and tell you exactly what to do next, usually within the same working day. Fixed fees, no hourly billing, and complete confidentiality.

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