Seven individuals active in the recruitment industry have made The Sunday Times’ 2013 Rich List of the UK & Ireland’s 1,000 richest people.

Those from the recruitment world appearing on the list, released yesterday (21 April), are:

1. Sir Michael Bibby, managing director of Bibby Line Group, provider of finance to the recruitment industry through Bibby Financial Service. Ranked 344th overall with £238m (2012: 326, £238m)

2. Sir Rod Aldridge, founder of outsourcing giant Capita – whose work recruiting for the British Army is highlighted in the April edition of Recruiter. Ranked 713th with £110m (2012: tied 682, £110m)

3. Ronnie Frost, retired from running recruiter Hays in 2001 but retains a £68m stake. Tied at 716 with £106m (2012: tied 716, £106m)

4. John Johnson, founder of oil & gas recruiter Fircroft Engineering Services, selling a 37% stake for £140m last year. Tied at 777 with £100m. (New entry)

5. James Caan, founder of recruiter Alexander Mann Solutions, later set up recruitment-focused equity firm Hamilton Bradshaw. Tied at 824 with £95m (2012: Tied at 869 with £85m)

6. Phil Smart, based in Australia, founder of resources sector recruiter WorkPac. Tied at 851 with £93m (2012: tied at 869 with £85m)

7. Bill Bottriell, co-founder of recruiter SThree, in which he retains a £25m stake. Tied at 970 with £75m (2012: tied at 984 with £74m)

Previous entrants on the list not appearing this year included ex-Adecco executive Philippe Forie-Destezet, Alexander Badenoch, who co-founded recruiter Badenoch and Clark, as well as Robbie and Cheryl Cowling, who set up online recruitment site JobServe, and another SThree co-founder, Simon Arber.

In its 25th edition, the combined wealth of the 1,000 people on the list is nearly £450bn, the highest on record.