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Structuring sponsorship deals: Key considerations for athletes and brands on negotiating equity

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Monday, 10 August 2026 Author: Katie Grimstone

The[1] athlete–brand sponsorship deals model has been changing rapidly. Roger Federer’s partnership with On Running[2] has provided a reference point for athletes looking to build their own equity deals, which are increasingly common. The appeal is clear: equity can outlast an athlete’s competitive years and, where the business succeeds, deliver returns that far exceed any fixed‑fee sponsorship arrangement.

For brands, the takeaway is not that equity should replace sponsorship wholesale, but that it can be a powerful tool where the athlete is genuinely capable of shifting the company’s trajectory. The real difference between partnerships that generate headlines and those that produce sustained value lies more in how the deal is structured than in the percentage of equity granted on day one.

This article sets out the three main structures of athlete-brand deals: traditional fee, pure equity and hybrid, and the trade-offs of each, before working through the key provisions of the sponsorship, investment and shareholders' agreements that underpin an equity deal. It provides some key negotiation points to consider for both brands and athletes when negotiating and structuring these deals.

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Katie Grimstone

Katie Grimstone

Katie is an an associate in Bird & Bird's international Corporate Group in London. She advises on a range of corporate matters, including M&A transactions, venture capital, private equity and general corporate advisory.

Katie works with a variety of clients at different stages of the corporate life cycle and in a number of sectors, with a particular focus on media, entertainment and sport. Many of the transactions she advises on are cross-border and involve collaborating with specialists across the firm's international network.

She joined Bird & Bird as a trainee in 2023 and was admitted as a solicitor in England and Wales in 2025. During her training, Katie was seconded to a sports regulatory body, which gave her invaluable insight into the operational, commercial and regulatory challenges faced by her clients.

Alongside her core work, Katie is an editor of and regular contributor to MediaWrites, Bird & Bird's industry news hub covering all things media, entertainment, and sport.

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