Top PR Agencies in London – The 2021 List

A good agency can elevate your communications game to a level you might not otherwise achieve on your own. Top PR agencies combine contacts, relationships, and expertise to achieve your public relations goals quickly and effectively. 

As a world capital of finance, media, advertising, culture and just about anything else you can think of, London is home to a long list of PR companies that specialize in every facet of promotions and brand communication. From global giants to small startups and everything in between, London’s PR professionals have an impressive track record of delivering innovative ways to guide their clients through an ever-changing media landscape. 

For brands that aren’t yet ready to commit the resources required to bring a top London PR firm aboard, there are still highly effective tools for managing your own PR activities at a fraction of the cost.  

Prowly allows PR pros to find media contacts, send pitches and use analytical insights to optimize results in the quest for press coverage. It even offers the ability to set up a branded online newsroom and share instant access to your press materials with journalists with a single click. You can try it for free and see for yourself just how easy it is to create, send, and track professional-grade PR campaigns. 

Who knows—starting out this way might be just what you need before taking the big leap to one of these London PR firms!

Let’s take a look at some of the names you might be dealing with when it’s time for you to consider heading to the UK capital for support from some of the top PR companies out there. 

Top PR Agencies in London

Hope and Glory

Since its inception in November of 2011, Hope and Glory has grown to become one of the best PR agencies in London. With a team of over 70 people, the firm is a regular award winner, most recently being named the 2019 Creative Agency of the Year at the Sabre Awards as well as winning the Independent Agency of the Year category at the 2019 PR Moment Awards. 

The Hackney-based company covers a wide range of industries, from entertainment and sports to food and drinks. As one of the biggest public relations firms not only in London but in the whole of UK, Hope and Glory work with some of the biggest household names in the country, including Adidas, Ikea, O2 and Red Bull. 

Growing year-on-year, the company has an annual turnover of over £7m, and they cover every format of modern PR, from social and digital solutions through to traditional press engagement. 

City Press

City Press is one of the fastest-growing PR firms in London. Specialising in financial services, alongside a host of other professional industries, City Press has additional offices in Manchester, Birmingham, Liverpool and Edinburgh.

Founded back in 1961, the firm now has over 90 consultants working across its four offices, and over the years, they have won countless awards, including PR Agency of the Year, Consultancy of the Year, and Best Place to Work. City Press also holds the PRCA Consultancy Management Standard. 

The agency has worked with many household brands, including Lloyds Bank, SunLife, Halifax and Bank of Scotland. 


Based in Kings Cross, CCgroup is one of the leading tech PR agencies in London, covering key markets such as Mobile and Telecoms, Enterprise Tech, Fintech and Deep Tech. The firm also has a consumer-focused sister brand, Escapade PR. 

Focusing primarily on commercial campaigns, CCgroup is renowned for its innovative use of content and media, unique messaging, and sales generation. The agency is a member of the global PR network, GlobalCom, and they were recently named the Technology Consultancy of the Year at the PRovoke awards. 

Since its launch in 1985, they have grown to work with leading companies such as Openet, Moorwand and Travelex. 


Another quality tech PR agency, Ballou, was launched in Paris in 2002 but now has its headquarters in Holborn. The company works with a host of international brands, focusing primarily on high-growth companies such as Shopify, Trivago, Zendesk, and Samsung. 

With just under 50 employees across its offices, the company was named in the top 250 PR Agencies in the world in the 2019 Holmes Report and recently won two SABRE awards for their campaigns. 

Although pure PR and media liaison is still their main focus, Ballou also now provides its growing client list with additional services such as social media management, SEO optimisation, Graphic Design and video creation.

Prescription PR

When it comes to music PR firms, Prescription PR is one of the most respected and well-known in the city. The agency has worked with some of the biggest names in music, including the likes of REM, Paul Weller, and The Rolling Stones, alongside some of the hottest new bands such as IDLES, Fontaines DC, and The Murder Capital. 

Although their headquarters are in London, Prescription also has offices in Cambridge and Manchester. The agency focuses on three core areas of music PR: promoting new bands, publicising heritage artists, and showcasing curated music events and festivals. 

Alongside traditional PR, Prescription also provides clients with a host of additional services such as website design, content creation, biography writing, and digital marketing. 

Gosh PR 

Gosh PR is one of the leading travel PR agencies in London, specialising in communications for travel and tourism brands. Launched in 2005, the company has steadily grown to provide its clients with traditional PR engagement, social media management and marketing communications. 

Based in Southwark, the independent company has a small team of fewer than twenty people, allowing them to be incredibly reactive and agile. As one of the most respected agencies in the city, Gosh has often led the way with innovative campaigns and PR solutions. 

Gosh PR has worked with a number of well-known brands, including Hertz Rental, Visit Florida and Visit Benidorm. 

Calacus PR 

There are lots of sports PR agencies in London, but Calacus PR are amongst the most respected. The specialist, boutique firm is based in the heart of the city and works with clients across the globe, helping to bring sport and athletes to the masses. 

Their team has expertise working with regional, national and international media, and they provide clients with a host of services, including consultancy, crisis management, media training, event management and internal communications. 

The agency has worked across huge sporting events such as the Premier League and Serie A, as well as stars such as Usain Bolt and Amir Khan. 

Clark Health Communications 

Holborn-based Clark Health Communications is a specialist healthcare communications and PR agency in London, delivering traditional PR solutions and innovative new media services to clients across the country. 

The small team allows them to be highly flexible, ensuring they can react swiftly to the latest trends and keep their clients in front of customers. The entire team are specialists in the healthcare sector and work with clients in the belief that communication is vital in the fight against disease. 

Since its launch in 2011, the company has worked with a number of leading healthcare brands and produced innovative campaigns, including a popular gamification launch, unique events and in-depth market research. 

Summing it up

As you can see, there is no shortage of highly skilled PR firms in London to help with your communications needs. 

Still, if the price tags attached to that support are beyond what you can or want to spend at the moment, Prowly can deliver outstanding PR capabilities at a fraction of the cost. See for yourself by taking advantage of a free trial that gives you full access to the functionalities you need to conduct effective PR campaigns. 

Cover photo by Charles Postiaux on Unsplash