Help centre
Straight answers about buying, selling and how we keep both sides protected. Pick your side of the marketplace:
I'm a buyer
Registration, bidding, payment, escrow and delivery — everything up to the moment your object arrives.
Read the guide
I'm a seller
Becoming a seller, the deposit warranty, expert review, commissions and when you get paid.
Read the guide
Most asked
How does bidding work?You set a hidden maximum; we bid the minimum needed to keep you in the lead.When do I pay, and where does the money go?After you win, into escrow — never directly to the seller.What if my object isn't as described?The sale is unwound and you are refunded in full — escrow never releases.What is the €25,000 deposit warranty?A refundable guarantee every seller places before their first listing.How is my purchase shipped?Fully insured, tracked, with signature on delivery.What does Auctium charge?3% buyer's premium, 3% seller commission — and nothing else.
Guidelines & legal
Submission guidelinesWhat our experts accept per category: minimum values, reserve rules, photo and documentation standards.Read moreGeneral Terms of UseThe agreement between you and Auctium: our role as a marketplace, accounts, acceptable use and liability.Read moreBuyer TermsBinding bids, proxy bidding, the buyer's premium, payment and escrow, inspection and disputes.Read moreSeller TermsEligibility and KYC, the deposit warranty, expert review, commission, shipping and payout obligations.Read morePrivacy statementWhat data we collect, why, on what legal basis — and the GDPR rights you can exercise at any time.Read moreBuyer protection policyWhat is covered, what is not, and exactly how a claim works from escrow to full refund.Read more
Still stuck?
Check trust & safety for disputes and protection, or the fee schedule for the complete price list.