Arup's Pre-Tax Profit Falls 41% to 13-Year Low of £26m

Arup's pre-tax profit fell 41% to £26m in the year to March 2026 — a 13-year low for the engineering giant — despite revenue rising 5% to £2.27bn.

The numbers tell a story of a firm spending heavily through a transition. Arup booked nearly £26m of new provisions against loss-making contracts, plus another £12m for legal costs. To put that in perspective: the contract provisions alone roughly match the entire year's profit.

A handful of problem projects drove the write-downs. Arup said they needed extra provisions to cover expected future costs and risks, but did not name the schemes.

Operating margin narrowed to 1.5%, down from 2.7% the previous year — meaning Arup now keeps roughly £1.50 in profit for every £100 of work it bills. A lower success rate in winning targeted work compounded the squeeze.

What is the money being spent on?

Chief executive Jerome Frost frames the weak results as the cost of rebuilding the firm for a changing market.

"We have prioritised significant investment in our people, processes and systems to allow us to operate as a single, integrated global business which can rise to the challenges and opportunities presented by a rapidly changing world," Frost said.

That investment covers three fronts:

• A global restructuring of Arup's regional operations
• Staff skills and internal systems
• Artificial intelligence and machine learning, aimed at unlocking the firm's technical knowledge and improving project delivery

Frost acknowledged the cost, saying the investment had contributed to "a more muted financial performance than we otherwise would have seen".

But he defended the strategy: "This investment is essential if we are to embrace the changing world we and our clients operate in and successfully deliver on our ambitions."

How does the regional shake-up work?

Arup is collapsing its five-region structure into three by 2027/28. The goal is simple: move skills and resources between markets faster.

The firm has already merged its Asia Pacific operations into a single unit. The next step combines Europe, India, the Middle East and Africa into one region.

"We have removed internal barriers, creating a new, integrated Asia Pacific (APAC) structure, opening up our global network and enabling expertise built in one corner of the world to be deployed in another quickly," Frost said.

Where is Arup heading next?

The restructuring lines up with a shift in Arup's portfolio. The firm is moving toward growth markets including water, energy and data centres, while expanding its footprint in Europe, Canada and Southeast Asia.

The bet, in effect, is that a leaner structure and AI-powered delivery will pay for themselves before the thin margins become a longer-term problem. With three years until the new structure is fully in place, this year's results mark the cost of entry rather than the outcome.