About me

Olivier Maes is a dedicated financial executive with a passion for helping organisations optimise their financial health and achieve sustainable growth. As the founder of Llandaff Professional Services, Inc., he focuses on providing strategic financial leadership and actionable insights to a diverse range of clients. His approach is rooted in collaboration, empowering businesses to make informed decisions that drive performance and transparency. Olivier's comprehensive understanding of financial landscapes, honed through extensive experience, allows him to guide clients effectively in both domestic and international markets.

Experience

With over 20 years of experience, Olivier has a strong background in financial management, audit, and client advisory services across various industries, including construction, nonprofit, hospitality, real estate, and technology.

In his role as a Fractional CFO, Controller, and Assurance Consultant at Llandaff Professional Services, Inc., Olivier partners with clients to enhance operational efficiency and implement robust financial systems. His work has included leading successful ERP implementations, improving cash flow management, and developing effective consolidation reporting frameworks.

He possesses particular expertise in the construction sector, where he assists companies in optimising project financial performance. This involves developing detailed budgets, forecasts, and cost analyses, as well as implementing effective Work-in-Progress (WIP) reporting, lean inventory management, and tailored financial policies.

Olivier's professional background includes an MBA from the University of Wrexham Glyndwr (UK) and an M.S. in Finance & Business from ICHEC Brussels Management School. He also holds multiple certifications, including an Enrolled Agent designation. His global experience, encompassing Europe and the United States, provides him with valuable insights into diverse regulatory environments (US GAAP, IFRS). Additionally, being fluent in English, French, and his knowledge of Dutch supports effective communication with a broad range of international clients.

Your Trusted Partner in Growth

For over 2 decades, the owners have delivered fractional CFO services, offering experienced financial guidance backed by advanced academic and professional credentials—including backgrounds in business, finance, and tax—to help businesses make informed decisions and achieve sustainable growth.

A clipboard with a blank payments checklist is placed on a marble surface next to an open laptop and a white pen. The setup appears to be organized for financial planning or administrative work.
A clipboard with a blank payments checklist is placed on a marble surface next to an open laptop and a white pen. The setup appears to be organized for financial planning or administrative work.
Expert Financial Guidance
Empowering Your Business Success

We specialise in improving cash flow, managing risk, and offering strategic oversight, ensuring that you can scale your business with confidence and clarity in every financial decision you make.

I've had the pleasure of working with Olivier Maes for some time now, and I can confidentially say that his professionalism, dedication, and service oriented approach are second to none. He is constantly pleasant, responsive, and genuine committed to helping in any way he can. No question is ever too small , and no request is ever met with anything but calm, clarity and clear guidance. His integrity and attention to detail have always given me great peace of mind.

A dimly lit office corner featuring a wooden desk cluttered with paperwork, a laptop, and an American flag. A banker’s lamp sits on the desk, alongside a filing cabinet topped with an audio stereo system. A wooden chair is partially visible in the foreground.
A dimly lit office corner featuring a wooden desk cluttered with paperwork, a laptop, and an American flag. A banker’s lamp sits on the desk, alongside a filing cabinet topped with an audio stereo system. A wooden chair is partially visible in the foreground.

★★★★★

Shirley B.
Melbourne (Australia)