Overly broad non-compete clauses are not ironclad territorial claims

Protecting localised customer networks and proprietary pricing models is a constant battle for commercial businesses. However, reliance on aggressively drafted employment contracts can leave an organisation completely defenceless when sales staff leave. A significant High Court judgement has exposed the severe legal risks of utilising standard corporate boilerplate contracts to restrict departing sales staff. The ruling reinforces that courts will subject post-termination non-competition clauses to rigorous scrutiny, refusing to salvage poorly co-ordinated restrictions or validate exceptions that offer nothing more than an illusion of freedom.

Background:

The dispute arose within the highly competitive building supplies sector when the claimant, Huws Gray Ltd. (HGL), a national merchant, sought final injunctions against its former area sales manager, the defendant, Mr. DG (referred to as Mr. Gentleman). Mr. Gentleman entered into his employment contract with HGL in 2023. Under Clause 3 of his contract, his role was defined as a peripatetic area sales manager responsible for high-value client accounts in the Cirencester, Swindon, and Newbury regions. This contract was subject to a standard one-week notice period during an initial probationary window, but also contained extensive post-termination restrictions under Clause 33, which included a 6-month non-compete covenant within a 20-mile radius of his assigned branches, alongside a 12-month confidentiality clause (c.19) and a social media deletion mandate under (c.35).

During his employment, Mr. Gentleman had regular access to HGL's digital management systems—including CounterAct, Microsoft Power BI, and the ACT system—which record customer transaction histories, pipeline projects, and a variable pricing hierarchy controlled by internal senior management approval thresholds known as the "AD cut-off". Mr. Gentleman resigned from HGL, believing he was required to give three months' notice, with his new employment scheduled to commence on 23 February 2026. He left to join a direct regional competitor, MKM, as an external sales manager to help launch their newly established Swindon branch. Ahead of this branch opening, MKM spent 2 months training Mr. Gentleman, an interim period that involved hotel meetings and visits to MKM's Cheltenham branch.

Prior to the formal launch, HGL discovered that regional clients on Mr. Gentleman’s HGL sales ledger (which comprised 103 active accounts, including RAM and KMS Groundworks) were being actively engaged. Specifically, HGL identified a professional networking exchange on 11 February 2026 between Mr. Gentleman and a prominent construction buyer, Jenine Connelly, at which he directed her to route quotes through his new employer, MKM. Fearing an immediate loss of its localised trade connections, HGL issued its formal legal claim on 18 February 2026. On 25 February 2026, the firm successfully secured an interim injunction to enforce the 6-month non-compete covenant and a temporary confidentiality restriction.

Decision:

The High Court, however, dismissed the employer’s claims, declaring the non-compete covenant void and unenforceable, while rejecting the application for a final confidentiality injunction. The Judge’s assessment focused on the fatal drafting flaws in the agreement, specifically the dismantling of a contractual "carve-out" intended to allow the employee to work in non-competing areas. The employer attempted a belated, defensive "blue-pencil" deletion to alter this exception, although the Court rejected the move under the principles of Tillman v Egon Zehnder, ruling that an employer cannot rewrite a relaxation clause simply to narrow an employee's freedom retroactively.

The Court also applied the "Quilter point," confirming that, as the manager could have been dismissed at a week's notice during his initial probation period, applying an immediate 6-month blanket ban from Day One was fundamentally disproportionate. Finally, the Court ruled that the pricing schedules on the company’s internal software were "fake information" and comprised artificial screen prices. Given that genuine commodity prices fluctuate rapidly due to global market forces and since regional builders routinely share competitor quotes to drive down costs, the manager possessed no memorable, stable trade secrets that could have been unlawfully exploited.

Implications:

For business owners, commercial directors, and industry executives, this decision serves as a stark warning – if your trade protections are structurally inconsistent, geographically bloated, or syntactically flawed, they will be struck down entirely under employment law, leaving your client database open to exploitation by competitors. The primary lesson is that a non-competition restriction is only as strong as the internal consistency of your wider framework. If your operational data reveals that the vast majority of your client transactions occur within a tight, localised geographic zone, seeking to expand a post-termination boundary to include marginal outlier accounts will likely backfire, as the courts will firmly refuse to engage in an arbitrary scaling-down exercise. Thus, any predatory overreach will simply result in the entire restriction being erased.

Commercial operations are advised to abandon the tricky practice of insisting upon immediate, multi-month non-compete bans to sales staff facing minimal notice windows during their probationary periods. If an organisation reserves the right to terminate an introductory employee at a week's notice, any attempt to lock that individual out of the job market for 6 months will be viewed as an unlawful restraint of trade. Corporate counsel must structure agreements using variable, ascending tiers of restriction that directly correspond to the employee’s length of actual service and seniority.

When drafting non-compete clauses, businesses must also define the future ex-employee by their specific function rather than their overarching corporate identity. Prohibiting a departing employee from joining a competitor in any capacity creates an illegal and overly broad restriction, one that improperly bans even non-competitive positions, such as administrative, financial, or internal operations roles. Any future restriction must be strictly confined to those roles which directly mirror the specific duties, sales accounts, or specialised market territory the employee personally managed.

Source:EWHC | 05-07-2026