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Best PR agencies in the United Kingdom, according to AI

What the 8 leading AI assistants actually recommend in PR agencies, asked as a buyer in the United Kingdom, ranked by how widely and often AI recommends each brand.

As of July 2026, Edelman UK is the brand AI recommends most for PR agencies in the United Kingdom — named by 6 of 8 assistants.

ChatGPTClaudePerplexityDeepSeekGrokCopilotGoogle AI
8 assistants · top 9 brands shown · updated July 2026

The full ranking

by AI Recommendation Score
RankBrandAI modelsScore
1
Edelman UKChatGPTClaudeDeepSeekGoogle AIGrok6 of 8
72
2
Weber Shandwick UKClaudeDeepSeekGoogle AIGrok5 of 8
60
3
MSL UKClaudeGrok3 of 8
36
4
OgilvyGrok2 of 8
24
5
Berkeley Communications GroupCopilot2 of 8
24
6
ProhibitionCopilot2 of 8
24
7
SamsungDeepSeek2 of 8
24
8
FreudsDeepSeekGrok2 of 8
24
9
Pearl Lemon PRCopilotGoogle AI2 of 8
24

What the AIs actually said

verbatim, captured at the latest refresh
ClaudeClauderead the answer

Best PR Agencies in the UK

Here's a rundown of PR agencies that are well-established and widely used across the UK market, based on industry rankings and real client work:

Global/Enterprise-Level Agencies

  • Edelman UK – Ranked first in the PRWeek Top 150 PR Agencies in London and the UK in 2025, Edelman is the global giant of the PR industry, founded in 1952 and headquartered in Victoria, London. It specialises in global communication with capabilities ranging from business marketing to startup development, and has been particularly noted for its integration of AI into PR campaign strategy, using tools like ChatGPT to generate content.
  • Weber Shandwick UK – Delivers integrated PR campaigns combining media relations, digital engagement, influencer outreach, and brand storytelling. It's known for consistent industry recognition, which reduces risk for regulated-sector clients.
  • MSL UK – Operates as part of a global communications network, offering integrated PR services across corporate reputation, brand communications, and digital engagement. The agency is well suited to larger organisations that need consistency across markets and channels, as well as access to broader strategic resources.
  • **Grayling
DeepSeekDeepSeekread the answer

Here’s a breakdown of the best PR agencies in the UK, along with the brands and products they’ve helped become household names. Since you’re in the UK, I’ll focus on agencies with strong London offices and a track record of delivering results for clients you’ll actually recognise from your local supermarket, newsfeed, or high street.

The "Big Four" (Full-Service Giants)

These agencies handle everything from consumer goods to crisis management. They’re costly but proven.

  1. Edelman UK

    • Why they’re top: Consistently ranked the world’s No. 1 PR firm by revenue. Their UK arm is massive, with deep expertise in trust-building and corporate reputation.
    • Brands they work with: Unilever (Dove, Ben & Jerry’s), Samsung, Microsoft, Diageo (Guinness, Johnnie Walker).
    • What they’re known for: Thought-leadership campaigns and handling high-stakes sensitive issues (e.g., sustainability, diversity).
  2. Weber Shandwick UK

    • Why they’re top: Part of the Interpublic Group, they have a huge consumer and corporate practice. Their digital and social team is strong.
    • Brands they work with: Heinz, McDonald’s, Nestlé, HSBC, Alibaba.
    • What they’re known for: Integrated campaigns that blend traditional press coverage with influencers and paid social – the kind that gets you trending on Twitter and in The Sun on the same day.
  3. Freuds (Freud Communications)

    • Why they’re top: Very British, very glossy. Run by Sir Matthew Freud (a PR legend). They specialise in brand identity, celebrity endorsement, and PR for luxury/consumer brands.
    • Brands they work with: Nike, Google, PepsiCo (walkers crisps in the UK), Chanel.
    • What they’re known for: Making brands “cool” again. They’re excellent at experiential events and linking brands to culture (e.g., music, art, fashion). If you’ve seen a brand sponsoring a Glastonbury stage or a London Fashion Week show, it’s likely
Google AIGoogle AIread the answer

Edelman UK: Ranked as the UK’s number one PR agency by PRWeek, specializing in massive global enterprise clients and corporate reputation. Weber Shandwick UK: A frequent recipient of "Agency of the Year" awards known for big consumer campaigns. Pearl Lemon PR +2

ChatGPTChatGPTread the answer

The United Kingdom boasts a vibrant public relations (PR) industry, with numerous agencies offering a range of services to elevate brand visibility and reputation. Here are some of the top PR agencies in the UK:

Edelman UK
Closed · Public relations firm · 4.2 (29 reviews)
11 Francis St, London SW1P 1DE, United Kingdom
A global PR leader known for its strategic, data-driven campaigns, particularly suited for large organisations and public sector clients seeking multi-market communications strategies.

Tangerine
Closed · Marketing agency · 4.8 (80 reviews)
Giants Basin, Potato Wharf, Manchester M3 4NB, United Kingdom
Highly commended in 2024 for its independent PR and social agency services, Tangerine Communications unites earned storytelling with paid effectiveness.

Ogilvy UK
Closed · Advertising agency · 4.4 (75 reviews)
Sea Containers House, 18 Upper Ground, London SE1 9RQ, United Kingdom
Recognised as the 2024 UK Consultancy of the Year, Ogilvy PR has strengthened its integrated offering and earned-first creative capability across PR, influence, and social.

ramarketing
Closed · Marketing agency · 5.0 (5 reviews)
Helix, The Catalyst, 3 Science Square, Newcastle upon Tyne NE4 5TG, United Kingdom
Ranked third in the Prolific North Top 50 PR Agencies 2025, Ramarketing serves clients like Envision Pharma Group, Inizio, Recipharm, and Blue Wolf Capital Partners.

These agencies have demonstrated excellence in various sectors, from consumer brands to B2B communications, and have been recognised for their contributions to the PR industry in the UK.

CopilotCopilotread the answer

If you're looking to boost brand visibility or manage public communications in the UK, top PR agencies like SmartSites, Berkeley Communications, and OBA PR consistently deliver high-impact results.

Top-Rated Agencies and Their Strengths

SmartSites 🟢 Highlights: Premier digital marketing and PR agency, specializes in increasing organic traffic, brand visibility, and digital growth. Works with over 900 clients. ⭐ Rating: 4.9/5 on Goodfirms (16 verified reviews) Focus: Digital PR, SEO, Media campaigns 1 Berkeley Communications Group 🟢 Highlights: Experts in Media Relations, Brand Reputation, and Corporate Communications. Known for storytelling and strategic communications. Focus: Financial, corporate, and professional services; strong UK media engagement 1 OBA PR 🟢 Highlights: Established in 2012, provides content writing and PR campaigns across multiple sectors, helps brands gain exposure in tier-1 media outlets. Focus: Media outreach, online and traditional PR 2 Prohibition 🟢 Highlights: Comprehensive PR firm specializing in national media coverage and brand awareness. Highly praised for communication and strategic insights. Focus: Media relations, public communications, innovative campaigns 1 Gong Communications 🟢 Highlights: International PR agency with a B Corp certification, serving professional and financial services, technology, and energy industries. Focus: Full-spectrum PR, marketing communications, and thought leadership programs 1 Pearl Lemon PR 🟢 Highlights: Combines modern PR techniques with traditional outreach; specializes in press releases, media sponsorships, and reputation management. Focus: Brand trust, visibility, and media engagement 1

Other Notable PR Agencies in the UK

Clareville – Consumer and B2B campaigns with an integrated digital approach. Minty Digital – PR with a strong SEO and media strategy focus. Wildfire PR – Leading B2B tech PR agency with strategic campaigns for rapid growth. The PR Network – Strong corporate and media relations, recognized for strategic oversight and consultancy expertise. Yours Sincerely – Focus on corporate PR and brand credibility, widely appreciated for responsiveness and custom strategies.

Key Considerations for Choosing a PR Agency

Industry Expertise: Agencies often specialize by sector (tech, finance, B2B, automotive). Media Reach: Consider firms with established contacts in national media platforms or digital growth capabilities. Client Feedback: Top agencies consistently receive positive reviews highlighting project management, communication skills, and measurable results. Services Offered: From crisis management, media relations, and corporate communications to digital PR, online brand campaigns, SEO, event management, and influencer outreach.

These PR firms are widely recognized among businesses in the UK for producing tangible media, brand visibility, and communication outcomes. Depending on your goals—whether digital branding, media campaigns, or corporate communications—you can contact these agencies for tailored proposals and client-focused strategies.

Geminiread the answer

Here's a look at some of the top PR agencies in the United Kingdom and popular brands that people in the UK widely use:

Top PR Agencies in the United Kingdom

The UK is home to a dynamic PR industry, with many agencies offering a wide range of specialisations. Here are some of the highly-regarded firms:

  • Edelman London: This is the UK headquarters of the world's largest independent PR firm, known for its expertise in corporate reputation, crisis communications, and public affairs. It's often considered a go-to for FTSE 100 and multinational clients.
  • FleishmanHillard London: Part of the Omnicom Group, FleishmanHillard is prominent in corporate, healthcare, and public affairs PR.
  • Weber Shandwick London: An IPG agency, Weber Shandwick excels in corporate and technology PR with strong global coordination capabilities.
  • Ogilvy: A renowned British advertising, marketing, and public relations agency with a global presence, Ogilvy's London team handles complex marketing and PR needs across various industries, including brand strategy and digital marketing.
  • MSL Group: This global public relations firm focuses on strategic communication programmes to enhance the reputation and visibility of companies, offering expertise in crisis and reputation management, brand management, and content strategy.
  • Citypress: Ranked as a top PR agency in the North of England for 2024, Citypress works with major clients such as Aldi, Arla, Coca-Cola, Lloyds Banking Group, and Primark.
  • Hope and Glory: Recognised for its creative consumer PR campaigns.
  • Berkeley Communications Group: Specialises in media relations, corporate communications, and brand reputation, receiving consistent positive feedback for enhancing media coverage and public engagement.
  • Prohibition: This agency focuses on brand awareness, media relations, and public communications, known for securing national exposure and innovative strategies.
  • The Tilton Consultancy: Founded in 2021, this new UK consultancy has shown remarkable growth, more than doubling in size.
  • The Romans: Another rapidly growing UK agency, The Romans achieved significant growth in the past year.
  • Hotwire Global: Specialises in international B2B tech PR.
  • CCgroup: A B2B tech specialist agency.

Top Brands or Products People Actually Use in the UK

Based on various reports measuring brand health, trust, and consumer purchasing, here are some of the top brands widely used and recognised in the UK:

  • Marks & Spencer: Leads YouGov's 2024 Best Brand Rankings for overall brand health.
  • IKEA: A popular Swedish multinational known for furniture and home goods, ranking highly in brand health.
  • Samsung: A strong performer in the electronics sector, consistently ranking among top brands.
  • Cadbury: This confectionery giant is Britain's biggest grocery brand by value and celebrated its 200th anniversary in 2024.
  • John Lewis: A well-regarded British department store known for its retail offerings and customer service.
  • Boots: A prominent British health and beauty retailer.
  • WhatsApp: A widely used messaging application.
  • Shell: Holds the position of the UK's most valuable brand.
  • BP: Another highly valuable brand in the UK.
  • Vodafone: A key player in telecommunications, featuring among the top ten most valuable brands.
  • Zara: Topped the June 2024 list of UK's Biggest Brand Movers, showing significant upticks across various metrics.
  • Tesco: A major supermarket chain that showed significant improvements in brand metrics in June 2024.
  • Oral-B: A well-known brand for oral hygiene products, including electric toothbrushes.
  • Gillette: A trusted brand for men's shaving products.
  • L'Oréal: A popular brand for women's hair colour and other beauty products.
  • HelloFresh: A meal kit delivery service that has gained significant trust among UK shoppers.
  • Duolingo: A widely used online language learning platform.
GrokGrokread the answer

The leading PR agencies in the UK, based on recent industry rankings like PRWeek’s UK Top 150 Consultancies 2026, include both large international networks and strong independent or specialist firms.

These are the ones clients (from corporates and brands to government and NGOs) actually hire for media relations, reputation management, crisis comms, consumer campaigns, and public affairs. Rankings focus on UK fee income/turnover, with Brunswick taking the top spot in the latest report (around £95.4m, edging out previous leader Burson).

Top Recommendations (Widely Used by UK Clients)

Here are standout agencies that consistently rank highly and are actively used:

  • Brunswick — Current #1 in PRWeek’s UK Top 150 (2026). Strong in corporate/financial PR, advisory, and high-stakes reputation work. Popular with FTSE companies and international clients needing senior counsel in London.

  • Burson (formerly Burson Cohn & Wolfe) — Frequently tops or near-tops UK and global lists. Broad offering across consumer, corporate, and healthcare PR. Clients value its scale and integrated approach.

  • Weber Shandwick — Long-standing top performer with a major UK presence. Handles everything from brand campaigns to digital and influencer work. Frequently profiled in industry reports for growth and client wins.

  • Edelman — Global #1 by revenue and a go-to for many UK brands needing large-scale consumer, tech, or crisis PR. Strong London office and data-driven insights.

  • Other highly regarded options:

    • Freuds — Creative and consumer-focused; popular for bold campaigns.
    • Teneo and FGS Global — Growing fast in strategic/corporate comms.
    • Ogilvy (PR arm) — Integrated with advertising for full-service campaigns.
    • APCO, FTI Consulting, and MSL — Strong in public affairs, issues management, and specialist sectors.

Specialist or “Best in Class” Mentions

PRovoke Media’s “Best Agencies in the UK” selections often highlight firms like Clarion Communications, Forster Communications, Greenhouse Communications, We Communications UK, and Woodrow Communications for creativity, niche expertise, or client service.

Tips for choosing (as a UK-based client):

  • Check PRWeek or PRovoke rankings annually for the latest fee income and growth data.
  • Look at new-business wins (PRWeek tracks these monthly).
  • Consider your needs—corporate/financial (Brunswick, FGS), consumer/brand (Weber, Edelman, Freuds), or public affairs (APCO).
  • Many have strong London bases with regional reach. Most top agencies are members of the PRCA or CIPR, which adds credibility.

For the most current fit, review their recent case studies or contact via their UK sites. Industry awards (PRWeek Awards, CIPR) also highlight standout work from these firms.

PerplexityPerplexityread the answer

If you want the best PR agencies in the UK, the strongest widely used names in the search results are Milk & Honey PR, onebite Ltd, Old Street Communications, Jefferson Communications, and Seven Hills. For a more brand-recognition-led shortlist, Brazen PR is also notable and explicitly positions itself as an award-winning agency outside London.

If your goal is to choose the top brands or products that people actually use, the most practical answer is: people usually hire PR agencies based on specialism rather than a single “best” firm overall. The results point to these common use cases:

  • Corporate communications / reputation management: Milk & Honey PR and onebite Ltd.
  • B2B tech and startup PR: Old Street Communications and Seven Hills.
  • Corporate stakeholder messaging / crisis communication: Jefferson Communications.
  • Award-winning broader comms and social media work: Brazen PR.

A useful way to interpret the rankings is that Clutch and PR Rankings list agencies by reviews, ratings, and market performance, so they are better for finding agencies that clients are actively hiring and reviewing. The startup-focused list is useful if you want agencies that are commonly used by UK founders and growth-stage companies.

Here is a simple UK-focused shortlist:

Best forAgency
Overall reputation/corporate PRMilk & Honey PR
Communications and public affairsonebite Ltd
Startup and scaleup PRSeven Hills
B2B tech media coverageOld Street Communications
Corporate messaging and crisis commsJefferson Communications
Creative PR outside LondonBrazen PR

If you want, I can also narrow this down to the best UK PR agencies by budget — for example, startup-friendly, mid-market, or premium enterprise options.

How this ranking is built

Every month, each of the 8leading assistants — ChatGPT, Claude, Gemini, Perplexity, DeepSeek, Grok, Copilot and Google AI Overviews — is asked the question a buyer in the United Kingdom asks, several times over:

What are the best PR agencies in the United Kingdom? Recommend the top brands or products that people actually use.

Brands are then ranked by their AI Recommendation Score— how many assistants recommend them, how often they come up, and how often AI cites the brand’s own site. This regional edition exists because AI’s answer in the United Kingdom meaningfully differs from the global ranking. The ranking reflects what AI recommends; it is not an endorsement by CiteHawk. Read the full methodology →

Questions about PR agencies & AI

Why does AI recommend these PR agencies?

AI assistants surface brands they encounter most often as authoritative answers, through reviews, comparisons, directories and citations across the web. Brands with strong, consistent presence in those sources get recommended first.

How often is this updated?

The AI Index is refreshed monthly across all 8 assistants, so the ranking tracks how AI’s recommendations shift over time.

How do I get my brand on this list?

Run a free check to see exactly where AI ranks you in PR agencies, then improve your AI visibility with CiteHawk, the same way the brands above earned their spots.

Scout climbing the ranking, sword in hand

Is your brand on this list?

Run a free check to see where AI ranks you in PR agencies in the United Kingdom, across all 8 platforms — then climb.