The top PR agencies in London and the UK

Home PR Insights The top PR agencies in London and the UK


In May, PRWeek unveiled its highly anticipated list of the top 150 UK PR Consultancies for 2023, and we were thrilled to see so many of our clients listed.

Notably, Roxhill clients once again dominated the top 12 PR consultancies spots in London and the UK for 2023.

These PR agencies are reshaping the industry with innovative strategies, exceptional results, and unrivalled influence. From industry giants like Brunswick and Edelman to powerhouses like FGS Global and Teneo, we highlight their expertise, accolades, and profound impact. Explore their specialisms, impressive client rosters, and global recognition to discover why they dominate the top 12.

Who are the top 12 PR Agencies in London and the UK?

An advisory firm that specialises in supporting clients through critical issues.

3 founders established Brunswick in 1987 in London, Lincoln’s Inn Fields.

Brunswick’s London office is now home to 225 people covering a wide range of specialisms, including financial and corporate communications, public affairs & investor relations, research crisis and cyber, and digital comms.

Brunswick UK is a top-ranking agency on PRWeek’s top 150 UK PR Consultancies for 2023. Over 25% of the FTSE100 retain their specialist services.

Part of WPP, BCW is a global communications agency. 

Their focus is to go beyond driving results and inspire change to build careers and culture.  

They represented this in the diverse expertise within their UK team, a group of communications specialists sharing their in-depth understanding of people, culture, and communities to solve their clients’ complex problems.  

BCW UK, based in Southwark London, is the second-largest office within the BCW global network. Recent accolades include Consumer Initiative of the Year 2021 at The Grocer Gold Awards and PRWeek Brand Film Awards EMEA: Not-for-profit/Giving.

Founded in 1952, Edelman is a family-run business global communications firm. They have over 6000 people spread across 60 offices worldwide, including a UK hub based in London, Victoria.  

Servicing many European clients, the London office offers an extensive pool of communications expertise focusing on brand, reputation, research, and digital communications.

Recently ranked as the number 1 B2B marcomms agency for 2023 by B2B Marketing and named Independent Agency of the Year for the Entertainment Track at the 2021 Cannes Lions Festival of Creativity.

FGS Global is the strategic advisor for the stakeholder economy.

The stakeholder economy is complex and difficult to navigate. Winning support across audiences in a fast-moving, interconnected world is more important than ever. What, how, and when you communicate — and to whom — can mean the difference between success and failure. Seeing around corners, anticipating issues, managing risk, and moving quickly to solve problems is critical.

To succeed, you need sound strategic advice, deep experience, a 360º perspective, real-time intelligence, and flawless execution. With the right people and the right tools, you can seize opportunities and confront challenges — 24 hours a day, 7 days a week, anywhere in the world.”

A leading integrated communications agency. Experts in PR, reputation management, public affairs, brand, digital and social strategy. 

The UK team has a record for delivering outstanding results to their clients. Winners of the ‘International Campaign of the Year’ at the Sports Industry Awards 2022. 

FleishmanHillard UK was also recently ranked in PR Weeks top 150 UK PR Consultancies for 2023 and a finalist in Pan-EMEA Consultancy of the Year and UK Consultancy of the Year categories at the 2022 EMEA SABRE Awards.

Freuds is a global communications company agency and is part of The Brewley family of businesses. Located in central London, Freuds have been working with leading brands for over 35 years.

In 2021, Freuds received a Queen’s Award, Enterprise for Sustainable Development in recognition of their achievement in the fields of international trade, innovation, promoting opportunity (through social mobility) and sustainable development.

Freuds is one of the top 150 UK PR Consultancies for 2023, ranked by PRWeek.

Founded in 1982, FTI is an independent global business advisory firm. FTI boasts over 6950 people on their team spread across 88 different cities and totalling 121 offices, 3 of which are in London.

Currently ranked as a Top 150 UK PR Consultancy by PRWeek, the UK is one of their largest markets. Their UK team offers a range of expertise in areas such as litigation, M&A, regulatory issues, reputation management, and more.

FTI supports clients across several industries, including Construction, Energy & Utilities, Financial Services, Healthcare & Life Sciences, Insurance, Real Estate, Telecom, Media & Technology (TMT).

A Global Collective comprising 37 agencies described as a virtual village of PR agencies worldwide linked by their passion for fearless creativity. 

Havas PR is located in Pancras Square. London. They cover all sectors within the consumer and lifestyle arena, guiding clients on issues relating to corporate and reputation management, government and cause, issues and crisis management.

Whether it’s media or stakeholder relations, brand marketing, social and digital media, content production or data and analytics, Havas PR has a proven record of delivering results for many leading clients such as Toyota, Virgin Mobile, and Kellogg’s.

H+K is an international PR consultancy with 88 offices globally. H+K recognise the power of the public; their focus is to work with clients on driving growth for their organisation whilst building reputation and helping to protect clients against risk.

Based in Clerkenwell, London, the UK team offers clients deep sector knowledge and extensive PR expertise to communicate better with the public.

Their approach is straightforward and effective. Strategy combined creativity and innovation underpinned by data + analytics, evident in H+K’s recent campaigns and current ranking as one of the top 150 UK PR Consultancies by PR Week.


A global public relations firm in the business of making their clients more influential. Located in 40 countries, MSL has over 2000 employees and 100 offices.

The UK office is in London’s Chancery Lane. The UK team offers clients a broad range of PR services with expertise in crisis and reputation management, corporate reporting, brand management and engagement, content strategy and employee engagement, and more. 

Clients include Nintendo, Rimmel, Apple, Puma and TUI. 

Recent awards include PR Week Best Influencer Marketing Award 2021, PR Moment’s Employee comms campaign of the year 2021. They also rank on PRWeek’s top 150 UK PR Consultancies for 2023. 

Teneo is a global CEO advisory firm that works exclusively with CEOs and senior executives in leading organisations, providing strategic counsel. 

The London team is made up of over 300 consultants, offering clients in-depth expertise on matters relating to strategic communications, management consultancy, financial, talent and risk advisory. 

Clients include Fortune 100 and FTSE 100 companies, and financial institutions. Teneo also ranked on PRWeek’s top 150 UK PR Consultancies for 2023.

Weber Shandwick is a global communications agency that offers more than traditional comms. They provide complete marketing services from culture marketing to public affairs, advertising, market research, and mobile and social creative.

Weber Shandwick’s global reach comprises a network spread across 120 cities and 6 continents.

The London team is based in Bishopsgate. They deliver an extensive range of services from B2B and Brand Marketing to social impact and sustainability, corporate reputation and crisis management, and more.

Weber Shandwick has several accolades to its name; in the last year, they’ve won several LIA awards, the PRCA 2021 employees engagement awards and most recently ranked on PRWeek’s top 150 UK PR Consultancies for 2023.


All you need to know about Stylist

PR Insights

How to land a profile slot


Similar Posts

Get started with Roxhill's PR and Media Database today

Discover the future of PR – easy, powerful, precise. Try Roxhill and start building rewarding connections with the world’s media today!

We use cookies to enhance site navigation, analyze site usage, and assist in our marketing efforts. Accept cookie settings by clicking the button.
You can view our Cookie Policy or Privacy Policy.