16 Dec 2025

Wallace Advises Oldham Engineering on Sale to ADSAM

"Wallace advised the Dunigan family, shareholders of Oldham Engineering, on the sale of the precision engineering business to The Australian Sovereign Defence and Advanced Manufacturing Group (ADSAM), a portfolio company of private equity investor CPE Capital. The transaction positions Oldham to expand as a UK defence manufacturer."

Wallace advised the Dunigan family, shareholders of Oldham Engineering, on the sale of the company to The Australian Sovereign Defence and Advanced Manufacturing Group (ADSAM), a portfolio company of private equity investor CPE Capital. The transaction completed the sale of Oldham Engineering, a precision engineering business originally founded in 1861 and acquired by the Dunigan family in 1993. Over the years Oldham grew into a trusted supplier to the nuclear, rail, oil and gas and defence sectors. The acquisition by ADSAM marks the buyer’s first venture outside the Australian market and is intended to provide Oldham with a platform to continue its growth as one of the United Kingdom’s leading defence manufacturers. Wallace represented the Dunigan family, shareholders of Oldham Engineering, with a team composed by: John Woodhouse — Joint Managing Partner, corporate (team lead); Ilya Alexandrov — corporate; Charlotte Lang — corporate; Stephanie Claridge — corporate; James Williams — employment (lead on employment aspects); Scarlet Hart-Ives — employment support; Alexandra Nicholls — employment support; Alexander Egerton — intellectual property; Jocelyn Harris-Cooke — real estate (advised on extensive real estate issues relating to Oldham’s two manufacturing sites).
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