Duncan works with a wide range of businesses and is highly-regarded for providing pragmatic and commercially focused advice. He advises on Company and Corporate / M&A matters including mergers and acquisitions, investments, arrangements between shareholders, group re-organisations and company law and compliance. He acts for clients in a variety of sectors but with a particular interest in financial services, technology, automotive and retail.
Recent examples of Duncan’s experience include advising:
- one of the UK’s leading insurance brokers, JMG Group, on more than 50 acquisitions in the insurance distribution sector
- the shareholders of G3 Vehicle Auctions on the sale of the group to America’s Auto Auction
- Turners Accident Repair, a multi-site vehicle repair business, on the significant investment in the business by Sun European Partners
- listed Canadian legal technology group Dye & Durham on various acquisitions and investments, including in relation to Property Information Exchange, Insight Legal Software and Stanley Davis Group
- retailer Pavers on multiple acquisitions, including Jones Bootmaker and Herring Shoes
- social media planning firm ContentCal on its Series A fundraise and subsequent sale to Adobe Inc
- British Garden Centres on its acquisition of 24 garden centres from Wyevale and a number of other strategic investments
Duncan is highly ranked in Chambers and Partners (2026), with clients commenting:
- “Duncan is exceptional.”
- “Duncan Firman is a switched on, commercial lawyer, who will always find a solution to a challenge”
- “He is super proactive and demonstrates good technical knowledge and experience.”
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