VAT
There is no fixed guaranteed turnaround for a VAT number. It depends on HMRC checks, how the application is made, and whether extra verification is needed.
Written and reviewed by Waqas Sagar Member of ICAEW, Fellow of ACCA, Fellow of AAT, a double graduate and entrepreneur at heart, helping startups grow and serving thousands of businesses nationwide with an excellent team. Published by LimitedCompany.Accountants, 12 London Road, Morden, London SM4 5BQ. Reviewed 12 September 2026 against 2026/27 UK rates and current Companies House and HMRC guidance.
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QuickBooks PartnerCertified ProAdvisor100+ yearsCombined team experienceFully insuredUp to £2m indemnityHMRC does not commit to a fixed number of days for a VAT number, and processing time depends on the volume of applications, whether your details match Companies House records, and whether extra checks are triggered. You can trade and invoice while you wait, but must account for VAT from your effective date once it is confirmed.
What affects the wait
Trading before the number arrives
HMRC does not commit to a fixed number of days for a VAT number, and processing time depends on the volume of applications, whether your details match Companies House records, and whether extra checks are triggered. You can trade and invoice while you wait, but must account for VAT from your effective date once it is confirmed.
Straightforward applications from an established company with clean, consistent details across Companies House and HMRC systems tend to move faster. Anything unusual, such as a very new company, a change of activity, overseas directors, or a business type HMRC checks more closely, tends to add time while it is reviewed.
Applying through an agent with accurate supporting information reduces the chance of a query being raised, which is usually what causes the longest delays rather than the initial processing itself.
You can continue invoicing customers while waiting, but you cannot show a VAT number or charge VAT as a separate line until it arrives. Many businesses raise invoices marked as VAT to follow, then reissue or issue a VAT-only invoice once the number is confirmed, backdated to the effective date of registration.
Keep good records of sales made in this gap, since you will need to account for VAT on them from your effective date regardless of when the number itself is issued.
Rates, thresholds and deadlines quoted here reflect the 2026/27 UK position and current Companies House and HMRC guidance. Check GOV.UK, or ask us, before relying on them for your own company.
Local help
We work with company directors across London and Surrey from our office at 12 London Road, Morden, London SM4 5BQ. Pick your area, or send the form below and we will call you back.
Frequently asked
You or your agent can check progress through your Government Gateway account or by contacting HMRC's VAT helpline.
Yes, once registered you can reclaim VAT on eligible purchases from your effective date, even though the number came later.
It does not change HMRC's internal process, but it reduces the errors and missing information that commonly cause delays.
Keep bank statements, sales and platform reports, purchase invoices, payroll records, VAT workings, finance agreements and Companies House correspondence. We confirm the exact list at onboarding and identify gaps before a filing deadline becomes urgent.
The fee depends on transaction volume, record quality, VAT and payroll requirements, historic catch-up and the level of reporting needed. We agree a fixed scope and price before technical work starts, with published packages available on our fees page.
Yes. We request professional clearance, collect the prior records and authorities, check the next Companies House and HMRC deadlines, and give you one clear handover list. The process is normally completed remotely.
Yes. We work through secure cloud records, scheduled reviews and digital approvals, while keeping a named team available by phone, video call and email. Clients can also visit our Morden office by appointment.
We regularly work with Xero, QuickBooks, FreeAgent, Sage and connected sales or expense apps. The right setup depends on transaction volume, integrations and the reports you need, not simply the software brand.
The relevant calendar may include annual accounts, Corporation Tax payment and return dates, confirmation statements, VAT returns, payroll submissions and Self Assessment. We map the dates from your company year end and registrations.
No. This page explains general UK rules and common accounting treatment. Your facts, contracts and wider tax position must be reviewed before you rely on a conclusion.
Included approach
Check the current rules
Deadlines, thresholds and filing rules change. GOV.UK and Companies House publish the current statutory position; advice should then be applied to your company’s circumstances.
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