/ Provenance Index / Bonhams

Bonhams

Auction House · Mid-Major · Founded 1793
B+

Good (B+) — Provenance Grade

Bonhams is a major international auction house. Strong on motor cars, decorative arts, jewelry. Mid-tier on contemporary art vs Christie's/Sotheby's/Phillips. Epiris (PE) ownership 2018-2024; sold to Bonhams management 2024.

83
Composite / 100
/ Subscore Breakdown · 5 Dimensions

Where this grade comes from.

Authenticity / Due Diligence
B+
Pricing Transparency
B+
Artist Treatment
B
Collector Service
B+
Liquidity / Resale Posture
B+
/ Key Events & Disclosures

Timeline & positioning.

  • Founded 1793
  • Epiris PE acquisition 2018
  • Management buy-back 2024
  • Multi-category specialty

/ Best for

Motor cars + decorative arts + jewelry consignors; mid-tier contemporary collectors.

/ Watch out for

Multiple ownership transitions have affected operational continuity. Verify category-specialist continuity.