UK | Mergers, Acquisitions & Disposals | Refrigeration Systems Sdiptech acquires GAH (Refrigeration) Ltd in UK By Jim Gibbins – 20th December 2020 GAH has a turnover of GBP 27.5 million, a pre-tax operating income of GBP 4.7 million and is valued at GBP 33.0 million at the transaction date.