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HaysMac has announced its acquisition of Green Square, a specialist corporate finance advisory firm, to strengthen its transaction services for growth-focused businesses.
The acquisition brings a team with more than 20 years of experience advising on transactions across marketing, media, and technology sectors.
As part of the deal, Green Square will integrate into HaysMac to provide clients with strategic corporate finance advice alongside existing tax, audit, and risk assurance services.
The move follows HaysMac’s acquisition of the Moore DM US tax team in January, which marked the firm’s 25th Century milestone of operations.
Tony Walford and Barry Dudley, partners at Green Square, said: “Green Square has always been focused on helping founders and shareholders make confident decisions at pivotal moments in their lives. Joining HaysMac allows us to build on that purpose, working as part of a larger advisory firm that shares our commitment to quality, relationships and long-term outcomes. Together, we can support more businesses across a wider range of situations, with the depth and breadth of expertise that clients increasingly value.”
Jon Dawson, partner and head of sectors and markets at HaysMac, said: “Bringing Green Square into the firm broadens the advice we can offer ambitious businesses and investors. It embeds dedicated transaction expertise within HaysMac and enhances how we support founders, leadership teams and stakeholders across a wider range of situations and growth stages.”
Natasha Frangos, managing partner at HaysMac, added: “This acquisition is an important milestone for HaysMac and achieves our strategic ambition to deepen our transaction advisory capabilities. We have known and worked with the team at Green Square for many years and so I know our culture and values are aligned.
“Bringing Green Square into the firm builds on what we already do best: combining rigorous thinking with a genuinely people‑centred approach. This bolsters our capability so we can support stronger outcomes and long‑term value for our clients and their stakeholders.”










