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71. H&A Holdings

  • Managing director: Hugh McWilliams
  • Pre-tax profit: £4.9m
  • Employment: 375
  • Pay bill: £9.6m

Hugh and Anne McWilliams set up H&A in 1993 as a mechanical services firm employing six people. Now it has a payroll of over 300 and has expanded into new areas such as building works, kitchens, bathrooms, refurbishment, external cyclical maintenance, electrical and renewable energy.

The family-run company said its client base had now widened to deliver private one-off installations, social housing projects, commercial schemes and government schemes for combating fuel poverty.