Name of subsidiary Incorporation Ownership Interest Principal activity Rouse Services LLC USA (California) 100% Auction Services Rouse Appraisals LLC USA (California) 100% Appraisal Services Rouse Sales LLC USA (California) 100% Auction Services Rouse Analytics LLC USA (California) 100% Auction Services RBA Holdings Inc. USA (Delaware) 100% Holding company AssetNation, Inc. USA (Delaware) 100% E-commerce marketplace SalvageSale Mexico Holding LLC USA (Delaware) 100% Holding Company Xcira, LLC USA (Delaware) 100% Auction services IronPlanet, Inc USA (Delaware) 100% E-commerce marketplace IronPlanet Motors, LLC USA (Delaware) 100% E-commerce marketplace SmartEquip, Inc. USA (Delaware) 100% E-commerce marketplace IAA Holdings, LLC USA (Delaware) 100% Holding Company Axle Holdings Acquisition Company, LLC USA (Delaware) 100% Holding Company Axle Holdings, Inc. USA (Delaware) 100% Holding Company IAA Acquisition Corp. USA (Delaware) 100% Holding Company IAA Holdings, Inc. USA (Delaware) 100% Holding Company Insurance Auto Auctions Corp. USA (Delaware) 100% Auction Company PJH Ventures, Inc. USA (Delaware) 100% Single-Purpose Entity Ritchie Bros. Asset Solutions Inc. USA (Florida) 100% E-commerce marketplace Veritread LLC USA (Florida) 75% Freight Services VeriTread Exchange LLC USA (Florida) 75.20% Brokerage services Insurance Auto Auctions of Georgia LLC USA (Georgia) 100% Auction Company IAA Services, Inc. USA (Illinois) 100% Logistics Company Insurance Auto Auctions, Inc. USA (Illinois) 100% Auction Company Automotive Recovery Services, Inc. USA (Indiana) 100% Logistics Company Ritchie Bros. Financial Services (America) Inc. USA (Nevada) 100% Brokerage services Auto Disposal Systems, Inc. USA (Ohio) 100% Logistics Company Leake Auction Company USA (Oklahoma) 100% Auction services DDI MVS Group, LLC USA (South Carolina) 100% Lien and Title Registration Technology Company Decision Dynamics, LLC d/b/a DDI Technologies USA (South Carolina) 100% Lien and Title Registration Technology Company Insurance Auto Auctions Tennessee LLC USA (Tennessee) 100% Auction Company Kruse Energy & Equipment Auctioneers, LLC USA (Texas) 100% Auction Services Impact Texas, LLC USA (Texas) 100% Auction Company Ritchie Bros. Holdings Inc. USA (Washington) 100% Holding company Ritchie Bros. Auctioneers (America) Inc. USA (Washington) 100% Auction services Ritchie Bros. Properties Inc. USA (Washington) 100% Property management Ritchie Bros. Holdings Ltd. Canada 100% Holding company EXHIBIT 21.1

Ritchie Bros. Auctioneers (Canada) Ltd. Canada 100% Auction services Ritchie Bros. Real Estate Service Ltd. Canada 100% Real estate services Ritchie Bros. Properties Ltd. Canada 100% Property management Ritchie Bros. Financial Services Ltd. Canada 100% Brokerage services IronPlanet Canada Ltd. Canada 100% E-commerce marketplace Rouse Services Canada Ltd. Canada 100% E-commerce marketplace Ritchie Bros. Finance Ltd. Canada 100% Holding company 1206397 B.C. Unlimited Liability Company Canada 100% Holding Company Impact Auto Auction Sudbury Ltd. Canada (Ontario) 100% Auction Company Impact Auto Auctions Ltd. Canada (Ontario) 100% Auction Company Suburban Auto Parts Inc. Canada (Ontario) 100% Auction Company Ritchie Bros. Holdings B.V. The Netherlands 100% Holding company Ritchie Bros. B.V. The Netherlands 100% Auction services Ritchie Bros. Shared Services B.V. The Netherlands 100% Administrative services Ritchie Bros. Properties B.V. The Netherlands 100% Property management Mascus International Holdings B.V. The Netherlands 100% E-commerce marketplace Mascus International B.V. The Netherlands 100% E-commerce marketplace Mascus IP B.V. The Netherlands 100% E-commerce marketplace Mascus A/S The Netherlands 100% E-commerce marketplace IronPlanet UK Limited United Kingdom 100% Auction services Ritchie Bros. UK Holdings Limited United Kingdom 100% Holding Company 1st Interactive Design Limited United Kingdom 100% Auction services Car Transplants (Holdings) Limited United Kingdom 100% Holding Company Car Transplants (Hurleston) Limited United Kingdom 100% Dormant/Disregarded Entity Car Transplants Limited United Kingdom 100% Dormant/Disregarded Entity Car Transplants Recycling Limited United Kingdom 100% Dormant/Disregarded Entity D.H. Systems Consultancy Limited United Kingdom 100% Dormant/Disregarded Entity Doncaster Motor Spares Limited United Kingdom 100% Dormant/Disregarded Entity FAB Recycling Limited United Kingdom 100% Dormant/Disregarded Entity Gilbert Mitchell Holdings Limited United Kingdom 100% Dormant/Disregarded Entity Gilbert Mitchell Limited United Kingdom 100% Dormant/Disregarded Entity IAA International Holdings Limited United Kingdom 100% Holding Company IAA UK Holdings Limited United Kingdom 100% Holding Company IAA Vehicle Services Limited United Kingdom 100% Auction Company Motorhog Limited United Kingdom 100% Dormant/Disregarded Entity Motor Bundle Limited United Kingdom 100% Dormant/Disregarded Entity Motorman Limited United Kingdom 100% Mechanical Services Newhog Holdings Limited United Kingdom 100% Holding Company Repossessions-UK Limited United Kingdom 100% Dormant/Disregarded Entity Synetiq Holdings Limited United Kingdom 100% Holding Company

Synetiq Limited United Kingdom 100% Auction Company Synetiq Nominees Limited United Kingdom 100% Dormant/Disregarded Entity Ritchie Bros. Holdings Pty Ltd. Australia 100% Holding company Ritchie Bros. Auctioneers Pty Ltd. Australia 100% Auction services Ritchie Bros. Properties Pty Ltd. Australia 100% Property management Ritchie Bros. Auctioneers Comercial de Equipamentos Industriais Ltda Brazil 100% Administrative services Ritchie Bros. Auctioneers (Beijing) Co. Ltd. China 100% Auction services Ritchie Auction (Beijing) Co. Ltd. China 100% Auction services Ritchie Bros. Investment Holdings (Luxembourg) SARL Cyprus 100% Holding company Ritchie Bros. Auctioneers (ME) Limited Cyprus 100% Auction services Ritchie Bros. Finland Oy Finland 100% E-commerce marketplace Ritchie Bros. Auctioneers France SAS France 100% Auction services R.B. Services SARL France 100% Administrative services Ritchie Bros. Holdings SARL France 100% Holding company Ritchie Bros. Properties EURL France 100% Property management Ritchie Bros. Deutschland GmbH Germany 100% Auction services Ritchie Bros. Auctioneers India Private Limited India 100% Auction services IronPlanet Limited Ireland 100% Auction services Ritchie Bros. Properties S.r.l. Italy 100% Property management Ritchie Bros. Italia S.r.l. Italy 100% Auction services Ritchie Bros. Properties Japan K.K. Japan 100% Property management Ritchie Bros. Auctioneers (Japan) K.K. Japan 100% Auction services IronPlanet Mexico, S. de R.L. de C.V. Mexico 100% E-commerce marketplace Ritchie Bros. Auctioneers de Mexico, S. de R.L. de C.V. Mexico 100% Auction services Ritchie Bros. Properties, S. de R.L. de C.V. Mexico 100% Property management SalvageSale De Mexico S. de R.L. de C.V. Mexico 100% E-commerce marketplace SalvageSale Servicios, S. de R.L. de C.V. Mexico 100% Administrative services Ritchie Bros. (NZ) Limited New Zealand 100% Auction services Ritchie Bros. Auctioneers (Panama) S.A. Panama 100% Auction services Ritchie Bros. Polska Sp. Z.o.o. Poland 100% Auction services Ritchie Bros. Auctioneers Pte Ltd. Singapore 100% Auction services Ritchie Bros. Spain, SL Spain 100% Auction services Ritchie Bros. Properties (Spain) S.L.U. Spain 100% Property management Ritchie Bros. Sweden AB Sweden 100% E-commerce marketplace