In the September issue of North West Business Insider, the compiler of the Sunday Times Rich List, Robert Watts has once again compiled Insider’s own business Rich List.
He also compiled a special ranking of the 10 richest self-made entrepreneurs who rank the highest in the list of the working wealthy.
All stakes in quoted companies were valued by taking the share price in the Financial Times in early July 2024.
Private company stakes were valued on a par with the nearest equivalent quoted company or failing that by the prevailing prices in the sector.
If that was not appropriate, then Insider simply used a multiple of 10 times the profit figure to value a business, reflecting the stock market average.
Where it was appropriate, companies and therefore family stakes are valued on the net assets of the business.

9. Richard Parsons, 58 - 2024: £104m
After gaining a 1st in Physics from Oxford University, Parsons returned to Cumbria and taught maths at a college in Barrow-in-Furness. Unimpressed with the quality of revision aides, he began writing his own from his bedroom. He gave his first books away, but Parsons has now built up his publishing group CGP into a £90m company. | CGP

10. Dave Whelan, 87 - 2024: £100m
A footballer for Blackburn Rovers and Crewe Alexandra in his youth, Whelan worked on a market stall and at a grocer before visiting America and seeing self-service food shops. On his return he set up a supermarket chain with 10 stores that he later sold to Morrisons. But he is better known for buying the small fishing and sports retailer JJ Bradburns, growing this small Wigan shop into the JJB Sports high street giant. | Nathan Stirk/Getty Images
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