The Commercial Spine Is the Binding Constraint

Gulf megaprojects overrun as a rule, not an exception: regional data puts the average schedule overrun at around 83 percent. On a project of that scale, the cost of the overrun is large, and the decision over who bears it — the contractor or the client — is a commercial one, not an engineering one. It turns on how the contract is administered and how claims are built and substantiated. Engineering capability is widely available in the region; the commercial capability that protects margin under these conditions is not, which is what makes it the binding constraint on a project's financial outcome.

Overruns are the base case

The first thing to accept about megaprojects in the region is that they run long and over budget as a rule. Middle East mega-projects run around 83 percent over their original schedule on average, against roughly 68 percent globally, and disputes on them cost upwards of 154 million dollars per project. Dispute frequency and intensity rise with project scale, which places the Gulf, home to the largest projects in the world, at the exposed end of the distribution. Regional dispute values have reached their highest level since 2011, and the Middle East has been the only region recording rising dispute values year on year. An overrun on a project of this size is the expected condition rather than a tail risk, and the commercial function exists to determine which party bears its cost.

The causes are commercial, not technical

The regional data traces the overruns and disputes to commercial rather than technical causes. The single most common cause of construction disputes in the Middle East is failure to properly administer the contract. The second is poorly drafted, incomplete or unsubstantiated claims. Both are commercial failures. The pattern holds across the region's own metrics: contract-administration problems affect 25.8 percent of disputed Middle East projects against 11.1 percent globally, extensions of time on distressed regional projects run to 80 percent against 58.3 percent for the rest of the world, and contract-interpretation disputes are consistently more prevalent here than elsewhere. As financing has tightened, cashflow disputes have become more frequent, and many regional jurisdictions still lack payment-security legislation to resolve them cleanly. The remedy named across the industry's own analysis is disciplined contracting and robust commercial governance, not better engineering.

Why the commercial layer decides the margin

This is what makes the commercial spine the binding constraint. A constraint, in the operational sense, is the link that limits the outcome once the others are adequate, and on a Gulf megaproject the others usually are: the project gets built. Whether the contractor keeps its margin is decided by whether each variation was captured and priced, whether each extension of time was notified inside the contractual window, and whether each claim was substantiated to the standard a FIDIC engineer or a tribunal will accept. A project can be designed and constructed competently and still lose its margin at the commercial layer. A project with a strong commercial spine can recover tens of millions on the same facts: one FIDIC claim supported by detailed delay analysis secured a substantial extension of time plus 52 million dollars in cost overruns, upheld by the Dubai courts. In that case the work itself was not in question; the recovery was a commercial outcome, produced through contract administration and substantiated claims.

The spine is not a single role but a set of them: the quantity surveyor who measures and values the work, the commercial manager who holds the overall position, the contract administrator who runs the notices and variations, and the claims and quantum specialist who builds the entitlement. These are distinct jobs with distinct skills, and together they convert a near-certain overrun into either a recovered entitlement or an absorbed loss. New sources of disruption keep feeding the function: regional maritime tensions around the Red Sea and the Strait of Hormuz are now generating claims for delay, disruption, prolongation, material unavailability and re-sequenced works, each of which reaches the commercial team first.

Where the scarcity and the premium concentrate

If the commercial spine decides the margin and the margin is large, the professionals who can run it should be scarce and expensive, and they are. FIDIC and NEC contract expertise is required at senior level and is in short supply. Claims, dispute and variation-management skills attract pay premiums of 5 to 15 percent over equivalent roles without them. Senior commercial roles sit at the top of the construction pay tables: a commercial director on a giga-project commands 140,000 to 200,000 pounds and above, and in the UAE a commercial director or head of QS earns AED 55,000 to 80,000 a month. The tax-free structure of Gulf packages lifts an international quantity surveyor's take-home by 30 to 60 percent, which both draws commercial talent into the region and sets a floor under what developers and contractors must pay for it.

The common objection is that engineering and delivery are the real constraint, since without them there is nothing to make a claim about. But a binding constraint is the capability in shortest supply relative to its effect on the outcome, not the most prominent one. With building competence relatively available and overruns effectively guaranteed, that capability is the commercial one. A second objection is that commercial governance is a matter of process and systems — better contracts, digitised change-order management — rather than people. Process and systems raise the floor, but the regional data locates the failures in the execution of the commercial process: administering the contract, substantiating the claim, meeting the notice window. A digitised change-order system does little without someone who knows what a compliant, substantiated claim requires, and the region's shortage is of those people. That shortage, more than any engineering gap, determines how well a contractor protects its margin.

Sources: AECOM 2025 Middle East review and Overford on megaproject schedule overruns and dispute costs (2025–2026); Arcadis Global Construction Disputes data, via the Institute of Construction Claims Practitioners, on regional dispute values, resolution times and causes (2025–2026); HKA CRUX Eighth Annual Report on contract-administration disputes, extensions of time and commercial governance in the Middle East (2026); Youssef & Partners on FIDIC delay-claim recoveries (2025); Lexis Middle East and BSA Law on geopolitically driven disruption claims (2026); Surveyor Success, RFS HR, Michael Page UAE and founditgulf on commercial-role compensation and scarcity (2025–2026).

People & Products — executive search across banking, family offices, industry and consulting. Based in Dubai.