Tuesday, November 4, 2025

Isosceles proves the perfect fit for Dains Accountants

Dains Accountants has acquired Isosceles Finance – the fast-growing accounting outsourcing, HR consultancy, and interim FD provider.

Founded in 2001, Isosceles has a network of 4 offices across the UK.

Richard McNeilly, CEO of Dains, said: “Isosceles adds breadth to our service proposition and has developed a compelling offering for their clients. Managing Director, Mike O’Connell has built a strong team and I am delighted that he and Greg Eaton are remaining in the business as we work together to build it to even greater heights. They are a shining example of a modern, tech enabled business with high customer focus.”

Mike O’Connell said: “We are enormously excited to join the Dains’ group of businesses because of our shared hunger for client success. Our businesses are a great fit and this development provides a platform for future growth and development of our fantastic team.”

Luke Kingston, partner at Horizon Capital, said: “We are delighted to have supported Dains on their second acquisition this year and welcome Isosceles to the group. Both businesses have a lot in common with a shared focus on client success, quality, and innovation, and we are excited about the combined opportunities for growth going forward across the Group.”

Dains were advised by Sentio and Forward Corporate Finance (Financial Due Diligence), and CMS (Legal). Isosceles were advised by Kreston Reeves (Tax) and Russell Cooke (Legal).












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