| Company | Timeline | Status | |
| Maclaren Automotive Limited Director • Motor Dealer | 31 Oct 2001←15 Years→10 Apr 2017 | Active | |
| Strathford (Ayrshire) Limited Director • Motor Agent | 31 Oct 2000←16 Years→10 Apr 2017 | Active | |
| Scotiaford Limited Director • Motor Agent | 31 Oct 2000←16 Years→10 Apr 2017 | Active | |
| Strathford Motor Company Limited Director • Motor Agent | 31 Oct 2000←16 Years→10 Apr 2017 | Active | |
| Arnold Clark Insurance Services Limited Director • Motor Agent | 22 Jan 1999←18 Years→10 Apr 2017 | Active | |
| Harpers (Aberdeen) Limited Director • Director | 1 May 1998←18 Years→10 Apr 2017 | Active | |
| The Harper Motor Company Limited Director • Company Director | 1 May 1998←18 Years→10 Apr 2017 | Active | |
| 454 (Bearsden) Limited Director • Motor Agent | 31 Aug 1989←27 Years→10 Apr 2017 | Active | |
| 454 (Paisley) Limited Director • Motor Agent | 31 Aug 1989←27 Years→10 Apr 2017 | Active | |
| Arnold Clark Finance Limited Director • Motor Agent | 31 Aug 1989←27 Years→10 Apr 2017 | Active | |
