Auditing firm BDO has announced the appointment of Mark Sykes as its new permanent Head of Consulting in the UK.
Sykes, who had been overseeing the consulting practice on an interim basis since mid-2025, now takes on the role permanently.
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Sykes’ background includes a tenure as an audit partner, where he provided guidance to companies in sectors such as manufacturing, technology, and retail.
His professional journey also includes contributions to public sector IT outsourcing, with a focus on areas such as business modelling and commercial negotiations.
Commenting on his appointment, Sykes said: “This is a really exciting time to be taking on this role. As a relatively new consulting team, we don’t carry the baggage of some of our more established competitors.
“We’re able to take a fresh approach and bring in high quality consultants focused on delivering the expertise that our clients really need – in digital, cyber, AI, ESG, procurement, business process optimisation, risk consulting and people advisory. We see a real opportunity to help our mid-market clients to improve their performance in these areas and I’m really looking forward to getting stuck in.
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By GlobalDataSince his start at BDO in 2013, Sykes has been overseeing business services, driving forward the modernisation of finance processes, and spearheading the establishment of a Financial Planning and Analysis service line.
Additionally, Sykes served as the head of Entrepreneurial Business, where he supported businesses in overcoming growth barriers and transitioning to private equity ownership or initial public offerings.
BDO Consulting, Risk and Outsourcing practice head Leigh Treacy stated: “Mark has always been passionate about helping clients to scale up at pace, embrace technology and build sustainably. As such, he is perfectly placed to help steer our consulting business where we see huge potential for growth.
BDO LLP, with a network of 18 offices across the UK and a workforce of 8,000, provides a suite of services including tax, audit and assurance, and various advisory services.
The firm is a part of the global BDO network.
Auditing firm BDO has recommended that its member firms refrain from accepting external equity investments.
