HaysMac welcomes Gary De Souza to senior team
HaysMac, an accountancy and advisory firm, has appointed Gary De Souza as a director. He joins the firm’s media, marketing and advertising sector team.
In his new role, Gary De Souza will play a key role in expanding the practice, deepening client relationships, driving new business growth, and enhancing the firm’s offering to creative businesses.
De Souza arrives from Moore Kingston Smith, where he spent over a decade advising media, marketing and creative businesses across the UK. He has supported a broad range of clients, from entrepreneurial start-ups through to established and international groups, delivering services in areas such as compliance, financial planning, valuations, cash flow forecasting and group reorganisations.
He has also supported numerous creative businesses with strategic decision-making, and international players with market entry into the UK.
Speaking of his appointment, De Souza said, “I’m excited to be joining HaysMac at such a dynamic point in its journey. The firm has built a strong reputation in the media, marketing and advertising space, underpinned by deep sector expertise and a people-first culture.”
“There is a clear sense of momentum and ambition across the firm, and I’m looking forward to building on this – working closely with clients to provide practical, commercially focused advice as they navigate growth and complexity in an increasingly fast-moving sector.”
Welcoming De Souza to the firm, Natasha Frangos, managing partner at HaysMac, added, “We are delighted to welcome Gary to the team. He brings a strong track record in the media, marketing and advertising sector, alongside a clear passion for supporting ambitious, entrepreneurial businesses.”
In January this year, HaysMac celebrated its 25th anniversary. The firm has around 600 people working from offices in London and Cape Town.

