| John Ahern | Member | at British Army | · Andover, Hampshire |
| John Ahern | director | at Indaver UK | · Harlow |
| John Ahern | Member | at The Flying Film Squad | · Birmingham |
| John Ahern | director | at Flogas Britain Limited | · Newport |
| John Ahern | director | at Sportcity 2ab Management Limited | · Manchester |
| John Ahern | director | at Abhj Limited | · Moseley |
| Ahern John | Office Manager | at Aquaid Franchising Ltd. | · Cambridge |
| John Ahern | secretary | at Iac Information Analysis Company Limited | · Reading, Berkshire |
| John Ahern | Editorial Board Member | at Addleshaw Goddard LLP | · London |
| John Ahern | director | at Moseley Court | · Birmingham |
| John Ahern | director | at Rosta International (2000) Limited | · London |
| John Ahern | director | at PDF (Group) Limited | · Limehouse |
| John Ahern | Law Practice | at Dla Piper | · London |
| John Ahern | secretary | at Primrose Units Limited | · London |
| John Ahern | Member | at Primrose Units Ltd | · London |
| John Ahern | director | at Primrose Units Limited | · London |
| John Ahern | director | at Rogley Holdings Limited | · Moseley |
| John Ahern | director | at McCs Limited | · Birmingham |
| Daniel John Ahern | director | at Ahern Ecology | · Bristol |
| Benjamin John Ahern | director | at J a Locums Limited | · Ringwood |
| John Emmett Ahern | director | at NMT Medical (Uk) Limited | · London |
| Brian John Ahern | director | at Carnellis Stores Limited | · St Ives, Cornwall |
| Derek John Ahern | director | at 32 Brondesbury Villas Management Limited | · London |
| John Richard Ahern | director | at The Richards Medical Centre | · Oxford |
| Christopher John Ahern | director | at Perth & Kinross ADHD Support Group | · Perth, Scotland |
| John Francis Ahern | director | at A & K Interior Designs Limited | · London |
| Christopher John Thomas Ahern | director | at Churno Designs Limited | · Swansea |
| John Edward Ahern | director | at Third Wave Building & Developments Limited | · Derby |
| John Joseph Ahern | director | at EMI Ltd. | · Stockport |
| Kevin John Ahern | director | at Legal Property Services Ltd | · Birmingham |