| 13.6°C Dublin

Chris Rea

Rathfriland, Co Down born Chris Rea (61) owns 60pc of Aes Group, which makes mechanical seals to stop leakage of harmful liquids and gases into the environment.

Private equity group 3i bought a 40pc chunk of the Rotherham business in 2007, valuing the firm at over €120m. It’s worth far more now, with profits jumping to €24.4m last year.

Online Editors