Jaguar Land Rover’s temporary shutdown has rippled through the UK’s automotive sector, leaving suppliers and contractors facing acute cash flow pressure.
The carmaker’s production pause, announced in late September and now gradually easing, disrupted operations across a network of more than 2,500 businesses. According to the Society of Motor Manufacturers and Traders (SMMT), the UK automotive industry supports around 780,000 jobs, and even short-term halts can squeeze liquidity for smaller companies working to tight margins.
Finance experts are warning directors to check their exposure to personal guarantees as they seek emergency funding to bridge the gap. A personal guarantee is a legally binding commitment by a company director or owner to repay business debt if the company cannot — meaning homes, savings, and other personal assets may be at risk.
Purbeck Insurance Services, the UK’s leading provider of Personal Guarantee Insurance, reports a marked increase in demand from businesses connected to the JLR supply chain. The company’s insurance product covers up to 80 per cent of the guaranteed amount if the business becomes insolvent.
Todd Davison, Managing Director of Purbeck Insurance Services, said that “we’ve already seen an uptick in applications for Personal Guarantee Insurance from businesses connected to the JLR supply chain. Many of these companies are facing real liquidity pressures, and lenders are understandably asking for personal guarantees as security for emergency finance. Our message is simple — if you are being asked to sign a personal guarantee, make sure you understand the risk and consider protecting yourself. Losing your business is devastating enough; you don’t want to lose your home and personal savings too.”
The warning comes as manufacturers across the UK face tightening credit conditions and rising borrowing costs. SMMT figures show car production fell 8.2 per cent year-on-year in August 2025, reflecting ongoing supply-chain fragility and the capital burden of electric-vehicle transition. For many small suppliers, that combination of delayed orders and reduced cash flow has created a precarious operating environment.
Purbeck has cautioned that businesses dependent on a single major customer are especially exposed. The company is advising directors to seek professional advice before signing any agreement involving a personal guarantee, and to consider insurance as a safeguard during periods of market instability.
Although JLR has resumed limited production at its Solihull and Halewood plants, analysts expect full output to recover only later this quarter — leaving smaller contractors to navigate several weeks of uncertainty.
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