Onboarding

Documents & registry checks

What we check before you can sell — and how long it takes.

ApplyBusiness details and tax ID10 min

Registry checkUK VAT checked automaticallyInstant

Document reviewOur onboarding team reads each file1–2 working days

Bank checkAccount name must match1 day

You’re liveRegister, choose a plan, list stockSame day

Documents for sellers from the UK

Certificate of incorporation

Sole traders: proof of address instead

Required

VAT registration certificate

A clear PDF or photo — all four corners visible.

Required

Bank statement header or letter

A clear PDF or photo — all four corners visible.

Required

EORI number

Needed only for importing / exporting

If it applies

ID of the authorised signatory

Passport, national ID or driving licence of the person signing — in India you can verify with DigiLocker instead

Required

Yard photos

2–3 phone photos: the entrance with your name board, your stock, and the machinery or loading area

Required

Fabrication unit (if you cut stone)

Factory registration, a photo of each machine with its serial plate, and the machine invoice.

If it applies

Upload clear scans or phone photos (PDF, JPG or PNG, up to 15 MB). Names and numbers must match your UK VAT registration. Documents are stored privately and only our onboarding team sees them.

How we check your registration

Registry check · UK VAT

Number format & checksum✓ Valid

Registered & active✓ Yes

Legal name matches your application✓ Match

Address / state✓ Match

Checked instantly · shown to you in Seller Hub → Onboarding

EORI validation (European Commission EOS)EORI number for importers/exporters (International & Premium plans)

Free · official

HMRC — Check a UK VAT number APIUK VAT number is registered; business name and address

Free · official

Companies House public data APICompany exists, is active, registered office, officers

Free key · official

Stripe Connect — connected-account verification (KYB/KYC)Stripe collects and verifies the business (EIN/TIN, address, representative ID, bank) before payouts are enabled — the method Stripe uses for marketplaces

Included in Stripe Connect fees

If a check can't be completed automatically

The application goes to manual review — nothing is rejected just because a registry was slow.
If something doesn't match, we message you in Seller Hub → Onboarding with exactly what to fix.
Payouts: GBP by Faster Payments via Stripe Connect.

How listing works on QwikStone →