Seller verification

Document the right to offer an asset.

Submit identity, company, authority, ownership and provenance evidence. Substrat reviews it privately and shows buyers only the checks actually completed.

Asset you are selling

You are

Full name

Phone

ID type

Last 4 characters of ID number

Main ownership document

Capacity

Beneficial owner(s)

Authority and provenance

Liens, disputes, finance, third-party interests or other material disclosures

Identity documents Upload ID (front & back)

Ownership documents Upload title / ownership documents

Other documents Survey plan, receipts, photos (optional)

I declare that these documents are genuine, that I own or am authorised to sell this asset, and that I will disclose any lien, dispute or third-party claim. I understand false information may be reported to the authorities.

Files: JPG, PNG, WebP or PDF, up to 15 MB each. Documents are stored privately and only Substrat reviewers can open them.