Helping our clients advocate for a net zero and nature positive world.

We are an award-winning public affairs, strategy and communications agency.

Downing street road sign

What we do


We are uniquely positioned at the intersection of the environmental movement, politics and media.  

We provide insightful policy advice, political intelligence and media briefings. We deliver impactful campaigns, produce targeted communications, and build relationships and networks that help you achieve your goals.

Team photo

Who we are


We’re not a typical communications agency.

Our passionate and dedicated team is made up of specialists in environmental policy, public affairs, PR, engagement and communications. Independent, passionate, evidence-based and results-driven, we are motivated by a deep love of our environment and a desire to drive positive change for people and planet.

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  • "Seahorse has been much more than a public relations & communications firm, they have been a strategic part of our communications and government relations strategy, leaning in, being proactive, and driving thought leadership…..They are our communications & strategic partner, fully integrated into our business."

    Bob Psaradellis, former CEO, Renewable Power Capital

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Our clients


We only work for organisations we believe are genuinely trying to effect positive change. Those who are doing things differently, challenging the status quo and creating a better future. For those clients, we will move mountains!

See who we work with.

RSPB  Logo
WWF  Logo
OVO energy Logo
Greenpeace Logo
Kew gardens  Logo
RPC  Logo
Lost rainforests of britain Logo
APPG  Logo
Blue marine foundation logo

Recent work