In a big contract-awards year, the headlines tend to focus on pipeline and backlog. But delivery can be decided by timing. Construction businesses are usually paid in arrears, after work has been valued, certified, and invoiced, which means firms may fund labour, materials, and overhead for weeks or months before receiving any income. That gap forces a reliance on working capital, and it becomes more fragile when part of each payment is withheld as retention. This is the practical core of contractor cash flow payment terms in Saudi Arabia: even when work is progressing, the cash may not be.
Retentions amplify the squeeze because they lock away cash that might otherwise keep projects moving. One source notes that 5% is typically retained and that, for many businesses, this can represent the difference between profit and loss on a job. Another explains that retainage clauses can withhold 5% to 10% of contract value until project completion, tying up capital for months or even years. For specialist subcontractors, the pain can be worse: retentions may be held for 12 to 24 months, even after their scope is finished. A 2002 Trade and Industry Select Committee inquiry described a “reverse credit” relationship, where subcontractors effectively finance clients and Tier 1 contractors.
Why Payment Terms and Retentions Hit Working Capital So Hard
Payment terms change working capital in ways that are easy to underestimate. Phoenix Strategy Group gives a simple illustration: a company with $960,000 in annual purchases that shifts from Net-30 to Net-15 loses access to about $40,000 in available funds. That is before considering any retention held back on incoming payments. The same source notes that extending supplier terms from Net 30 to Net 60 on a $50,000 balance keeps $50,000 available in the short term, showing how trade credit can delay cash outflows. In practice, contractor cash planning often becomes a day-by-day exercise around the payable period and certified receivables.
Some of the strongest quantified evidence of retention risk comes from the UK, and it is best treated as context, not a local proxy. A 2017 study commissioned by BEIS estimated that £3.2–£5.9 billion is held in retention at any one time in the UK construction sector, with an average of £240 million lost annually due to upstream insolvency. In 2023, the Construction Leadership Council highlighted cash flow as a key risk to SME resilience and warned that payment delays, particularly of retentions, can lead to the collapse of otherwise viable firms. The operational lesson is widely transferable: when retention is not ringfenced, a supplier’s “earned” cash can turn into counterparty risk.
To cope, firms are investing in better forecasting and faster decision cycles, and the tools market is growing. Market Research Future reports that nearly 70% of finance leaders consider cash flow management critical for risk mitigation. It also notes a reported increase of over 30% in online transactions in recent years, which raises expectations for speed and visibility across payments. On the analytics side, recent studies cited in that report suggest that organizations using AI-driven cash flow tools can reduce forecasting errors by up to 25%. Financing is part of the toolkit too: Crestmont Capital says lines of credit typically range from 8% to 24% annually in 2026 depending on creditworthiness and lender type, while invoice financing and factoring can convert receivables into immediate capital. The goal is simple: keep working capital liquid enough to deliver.
Why do contractors face a cash flow squeeze even when projects are progressing?
How large can retention withholdings be, and how long can they last?
What is an example of how payment terms change working capital?
What does UK retention data suggest about the risk of non-payment?
How can Saudi Arabia contractors manage contractor cash flow and payment terms pressure?
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