Employee advocacy is the new word-of-mouth marketing

Why your employees are your most credible brand voice

There’s a version of brand communication that organisations spend considerable time and budget on – polished, consistent, carefully controlled, and a version that happens regardless of whether it’s planned for. The second version tends to be more believed.

Employee advocacy sits in that second category, which is precisely what makes it worth taking seriously. When someone shares their experience of working somewhere, recommends a company to a peer, or publicly celebrates a piece of work they were part of, the credibility that carries is of a fundamentally different order to anything the brand’s own channels can generate. Research puts the figure at 93% of people being more likely to trust content shared by someone they know – a number that reflects something most people already understand instinctively about how trust actually works.

What advocacy reveals about culture

The relationship between employee advocacy and internal culture runs in both directions. Organisations with genuinely engaged people tend to find advocacy happening organically, because enthusiasm about where you work is difficult to suppress when it’s real. Octopus Energy has built a culture deliberately oriented around employee experience, and the external visibility that generates – through the candid, personal way its people talk about the company – has become a meaningful part of how the brand is perceived. Starbucks has formalised a version of this through dedicated employee partner accounts across social platforms, giving its people a structured space to share their experiences in their own voice rather than the brand’s.

What both approaches share is an understanding that the most compelling thing an employee can communicate about a brand is something genuine – a real perspective on the work, the culture, the values in practice rather than on paper. That kind of content reaches networks and audiences that official brand channels rarely access, and it carries a quality of credibility that even well-crafted corporate communications find difficult to replicate.

The employer brand you didn’t design

Every organisation has an employer brand whether it has consciously shaped one or not. It lives in Glassdoor reviews, in the way employees describe their work at industry events, in what gets shared on LinkedIn after a project completes or a milestone gets celebrated. For potential hires particularly, these signals carry significant weight – often more than anything communicated through formal recruitment channels – because they offer a view of what working somewhere actually feels like rather than what the organisation would like it to feel like.

LinkedIn has become especially significant in this regard. For many senior hires and industry peers, it’s the first meaningful point of contact with a brand, arriving through an employee’s perspective rather than the company’s own polished voice. The cumulative effect of people sharing work they’re proud of, engaging with industry conversations and being visibly present in their field shapes how a brand is perceived in ways that are genuinely difficult to engineer through any other means.

What makes it work

Employee advocacy functions well when it emerges from the conditions that make people want to talk positively about where they work, rather than from a programme designed to encourage them to do so. The distinction matters because audiences are reasonably attuned to the difference between genuine enthusiasm and coordinated messaging, and the former carries considerably more weight than the latter.

The practical implication is that the most productive investment tends to be in the culture and working environment itself – in ensuring people feel genuinely informed about the direction of the business, that their contribution is visible and valued, and that leadership is actively modelling the kind of engagement it hopes to see more broadly. Providing accessible content that’s easy to share, and giving people the confidence to add their own perspective rather than simply distributing official messaging, removes the friction that often prevents advocacy from happening even when the underlying enthusiasm exists.

The signal it sends

When employees are consistently visible and positive about an organisation, it communicates something about that organisation that no amount of outward-facing brand investment can replicate – that the experience of working there is genuinely worth talking about. That signal reaches potential hires, industry peers, clients and partners simultaneously, and it tends to be self-reinforcing: the more visible a culture is from the outside, the more likely it is to attract people who will contribute to it.

The question of employee advocacy is ultimately inseparable from the question of culture. The two are reflections of each other, and the strength of one is largely determined by the health of the other.