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PR Agency Companies in London: 3,000+ Active Firms (2026)
PR agencies plan media relations, reputation management and stakeholder communications for organisations across London.
Corporate affairs, consumer press offices and policy teams form the main buying centres, with briefs often owned by communications directors, marketing heads, founders or public-affairs leads. Work tends to be sold through retained accounts for always-on media handling, with separate campaign projects for launches, issues management or stakeholder engagement. Buyers range from government and professional-services teams to technology, healthcare, financial and consumer-facing organisations; most engagements appear relationship-led rather than transactional. Smaller agencies usually compete on access to journalists, senior counsel and sector focus, while larger practices split into specialist teams for corporate communications, public affairs, crisis response and brand reputation.
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London has 3,040 actively trading PR agencies, making the capital a dense agency market rather than a small specialist cluster. Scale is uneven: 40 firms report turnover above £5M, while 849 were incorporated since 2022, which points to a long tail of recent entrants alongside a much smaller revenue-scaled group. The employment footprint is more modest than the cohort size suggests. Headcount disclosures cover 117 firms and amount to 1,782 people, reflecting the prevalence of small partnerships, founder-led consultancies and project networks that can handle client work without carrying large permanent teams.
UK PR agencies are not generally licensed in the manner of financial services or utilities firms, so market structure is shaped more by client procurement, reputation risk and self-regulation than by entry permissions. PRCA members must comply with its Code of Conduct, and members carrying out professional lobbying are also covered by the Code for Professional Lobbying and declaration requirements on its Professional Lobbying Register. Consultant lobbying adds a statutory layer: the Registrar of Consultant Lobbyists maintains a register, and consultant lobbying is prohibited unless the relevant registration requirements are met.
Early-commercial agencies appear likely to keep entering the market because the fixed costs of a communications consultancy are relatively low and senior advisers can sell personal credibility before building larger teams. Scale-up remains harder. Retained income tends to be exposed to client budget reviews, while campaign work can be lumpy and dependent on news cycles. Larger groups may continue to absorb specialist boutiques where sector access, crisis capability or public-affairs expertise fills a gap. Compliance pressure is unlikely to come from licensing across the whole market, but lobbying declarations and client scrutiny should keep governance visible for agencies selling public-affairs work.
3,040
Active firms
2026
40
Above £5M
turnover threshold
849
Since 2022
new incorporations
Key facts
About 1% of the trading cohort reports turnover above £5M (40 of 3,040 firms) — the rest sits below that revenue band.
27% of the cohort was incorporated since 2022 (849 firms), so a sizeable share is in its first few filing cycles.
Professional standards for UK PR agencies are largely self-regulatory through sector bodies rather than licence-based.
PRCA members must comply with its Code of Conduct, with professional lobbying members also subject to declaration requirements on its Professional Lobbying Register.
Part 1 of the Transparency of Lobbying, Non-Party Campaigning and Trade Union Administration Act 2014 covers registration of consultant lobbyists, including a prohibition on consultant lobbying unless registered.
The UK’s top 150 agencies generated about £2 billion in aggregate annual revenue in calendar year 2023.
London PR agencies tend to sell retainer-led media relations, issue management and stakeholder communications to organisations facing external scrutiny.
Top London PR agency companies
Political Lobbying & Media Relations Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public affairs, lobbying and strategic communications services, including media relations, PR campaigns, digital marketing, policy research and crisis communications. Advises organisations…
Serves businesses, charities, NGOs, professional bodies and public-sector or regulated-sector organisations across government, education, health and social care, energy, built environment and…
Financial Health
StableStable · Hiring · 8% CAGR over 4y
Location
Inhouse Communications Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides public affairs and public relations services, including corporate communications, reputation management, campaign strategy, media relations and event support for organisations engaging with…
Serves businesses, industry bodies and other organisations with reputational or policy interests in Westminster, typically senior communications, public affairs and leadership teams.
Financial Health
StrongStrong · Hiring · 25% CAGR over 5y
Location
ATTICUS PARTNERS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides strategic communications and public affairs consultancy, including government relations, reputation and crisis management, stakeholder engagement, and political and media communications…
Serves businesses, organisations and high-profile individuals across multiple sectors and geographies, including politics, foreign affairs, health, technology, food and drink, media, equality and…
Financial Health
StrongStrong · Hiring · 7% CAGR over 2y
Location
POWERSCOURT LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides strategic communications and reputation management advisory services. Advises organisations on financial and capital markets communications, corporate communications campaigns, political and…
Serves corporates, listed companies, leadership teams and high-profile individuals needing support with capital markets, stakeholder, political, regulatory, media and crisis-related communications.
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
Trajectory
2y · 2020–NowProvides public relations and public affairs consultancy, including government relations, corporate and internal communications, planning communications, brand strategy, digital content, and video…
Serves B2B organisations and brands in energy, utilities, infrastructure, property, construction, technology, healthcare, FMCG, and professional and financial services, including teams managing…
Financial Health
Insufficient historyInsufficient history
Location
Cascade Communications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides strategic communications and public affairs consultancy for the built environment sector, including community engagement, planning and construction communications, political and policy…
Serves built environment organisations, including property developers, construction and planning teams, and stakeholders involved in housing and regeneration projects in London, the Oxford-Cambridge…
Financial Health
StableStable · -9% CAGR over 4y
Location
MONTFORT COMMUNICATIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides strategic communications and reputation management services including corporate and crisis communications, media campaigns, investor relations, public affairs, litigation communications, and…
Serves CEOs, boards and senior leadership teams at major companies, individuals and organisations worldwide, including clients in capital markets, asset and wealth management, consumer industries,…
Financial Health
HealthyHealthy · 3% CAGR over 2y
Location
CENTAURUS COMMUNICATIONS LTD.
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides strategic communications, media relations and public affairs advisory services. Advises corporations, NGOs and governments on influencing political and regulatory agendas, managing media…
Serves senior business leaders, large corporations, NGOs, overseas governments, politicians and public figures engaging with political, regulatory and media stakeholders, especially UK and…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
HAWTHORN ADVISORS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides communications consultancy services including corporate and financial communications, public affairs, crisis and litigation communications, reputation management, and stakeholder campaigns,…
Serves businesses, charities, membership bodies, senior executives and high-profile individuals, including clients in media, healthcare charities, trade associations, technology and consumer brands.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 4y
Location
THE COMMUNICATION GROUP PLC
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides public relations and communications consultancy services, including consumer and lifestyle marketing, corporate and financial communications, public affairs, reputation and crisis…
Serves B2B and public-sector clients, from global brands to fast-growth start-ups, including luxury and lifestyle brands, property companies, landowners, hotels, resorts, city councils, governments,…
Financial Health
DistressedDistressed · 0% CAGR over 1y
Location
Provides public relations and communications consultancy services. Advises businesses, institutions and public figures on reputation management, corporate communications, public affairs and strategic…
Serves enterprises, institutions and senior individuals, including leaders in consumer brands, healthcare, energy, sport and organisations engaging political or reputational stakeholders.
Financial Health
Insufficient historyInsufficient history
Location
ADMIRAL PUBLIC RELATIONS AND MARKETING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides communications and public relations consultancy focused on brand and reputation management. Services include strategic positioning, storytelling and narrative development, media relations,…
Serves major organisations and individuals across public and private sectors, including energy, healthcare, higher education, transport, technology, professional services, foundations and non-profits.
Financial Health
HealthyHealthy · -13% CAGR over 5y
Location
Hanbury Strategy and Communications Ltd
Trajectory
3y · 2020–NowFinancial sub-scores
Computed from 3 filingsProvides strategic communications and public affairs consultancy, advising organisations on media strategy, political and regulatory engagement, reputation management, and campaign development using…
Serves businesses ranging from large multinational companies to startups, particularly organisations facing communications, reputation, public affairs, policy or regulatory challenges across UK, EU,…
Financial Health
StrongStrong · Hiring · 48% CAGR over 2y
Location
Crowne Associates Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and public affairs consultancy, including strategic communications and lobbying services, reporting activities to the UK Registrar of Consultant Lobbyists. Operates under…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
KEEBLE BROWN LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides community engagement, public relations and stakeholder communications services for organisations in the built environment. Services include public consultation, building safety…
Sells to organisations in the built environment, including developers, housing associations, local authorities, business improvement districts and multinational corporations that interact with…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 5y
Location
Tancredi Intelligent Communication Ltd
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides strategic communications and public relations advisory services to corporate, financial and private clients. Services include corporate and financial communications, media relations, crisis…
Serves corporate, financial and private clients across sectors including consumer and luxury retail, energy, financial services, health and life sciences, industrials and defence, real estate,…
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 3y
Location
Mattison Public Relations (UK) LLP
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides public relations services for financial services, professional services and technology firms, including media relations, content marketing, lobbying, investor relations support and crisis…
Serves financial services, professional services and technology firms, including banks, insurers, law and accountancy firms, fintechs, investment funds, private equity teams and management…
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 2y
Location
Field Consulting Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides political and corporate communications consultancy, including public affairs advisory, policy engagement, reputation management, community consultation for planning projects, and research…
Serves businesses, developers and public-sector bodies in energy, sustainability, transport, infrastructure and the built environment, targeting organisations engaging with policy, regulation,…
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
5654 & Company Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides strategic communications and public affairs consultancy to businesses, advising on reputation management, stakeholder engagement, and campaigning. Helps organisations communicate with…
Serves UK-focused businesses, including health and life sciences organisations, whose leadership and communications teams need to engage politicians, regulators, investors and other…
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 2y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides public relations and strategic communications services, specialising in crisis communications, reputation management and corporate PR. Develops media campaigns, messaging and communications…
Serves organisations and high-profile individuals needing PR, crisis communications and reputation support, including corporates, cultural and entertainment figures, government bodies, startups,…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
LEXINGTON COMMUNICATIONS LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides strategic communications and public affairs consultancy. Advises organisations on corporate and reputation communications, healthcare communications, digital strategy, built environment…
Serves businesses and organisations needing strategic communications support, particularly buyers in public affairs, healthcare, corporate communications, reputation, built environment, digital…
Financial Health
StableStable · -65% CAGR over 4y
Location
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and communications services for technology companies and venture capital firms, including media relations, crisis communication, social media management, content writing,…
Serves B2B and B2C technology companies and venture capital firms across Europe and the US, including clients in AI, climate tech, fintech, healthtech, SaaS, mobility, proptech and Web3.
Financial Health
DistressedDistressed · -15% CAGR over 4y
Location
Milltown Partners GBR Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides public relations and strategic communications advisory services, including corporate communications, public affairs and policy communications, crisis management, research, and digital…
Serves established and emerging technology companies, global investors, major consumer brands, sports franchises, organisations and high-profile individuals facing reputation, policy or…
Financial Health
HealthyHealthy · -76% CAGR over 3y
Location
BECG LIMITED
Trajectory
4y · 2019–NowFinancial sub-scores
Computed from 4 filingsProvides public relations and public affairs consultancy, including government relations, corporate and internal communications, planning communications, brand strategy, digital campaigns, and video…
Serves organisations and brands in energy and utilities, infrastructure, property and construction, technology, healthcare, FMCG, and professional and financial services, including teams managing…
Financial Health
StableStable
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides corporate communications, media relations and public affairs services. Plans and delivers PR campaigns, stakeholder engagement and media strategy for businesses, NGOs and individuals, using…
Serves large brands, NGOs, trade bodies and high-profile individuals with political, media or stakeholder audiences, typically needing corporate communications, media relations and public affairs…
Financial Health
StrongStrong · Hiring · 50% CAGR over 4y
Location
GK Strategy Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides strategic research, communications and public affairs consultancy. Advises investors, businesses and organisations on political developments, policy risk and stakeholder engagement,…
Serves B2B clients including investors, business leaders, high-growth companies, sector leaders, private equity firms and their portfolio companies.
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 1y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides communications and public affairs consultancy services including corporate reputation management, national and local government relations, planning and development communications, community…
Serves businesses and organisations needing communications and public affairs support, including major consumer brands, national and regional property developers, and clients engaging with national…
Financial Health
DistressedDistressed · -10% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public relations, communications and marketing services for organisations in finance, technology and sustainability sectors, including media relations, digital marketing, content production,…
Serves B2B organizations and senior leaders in finance, fintech, insurance, wealth and asset management, professional services, enterprise technology, and climate transition/sustainability across…
Financial Health
StableStable · -68% CAGR over 4y
Location
LUTHER PENDRAGON HOLDINGS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides communications consultancy services including corporate communications, crisis management, public affairs, media training, and digital and design support, helping organisations plan and…
Serves businesses and other organisations, targeting senior leaders and communications, public affairs and corporate affairs teams needing external consultancy support for stakeholder and audience…
Financial Health
StableStable
Location
YELLOW JERSEY PR LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and communications consultancy services including corporate PR, financial PR, investor relations, and digital design. Advises businesses on media relations, strategic…
Serves listed and private businesses across natural resources, healthcare, financial services, legal, consumer/leisure, crypto, technology, media and telecoms sectors.
Financial Health
WeakWeak · -71% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides public relations and strategic communications services, including media relations, thought leadership campaigns, event promotion, and reputation management for organisations in sectors such…
Serves B2B organisations and professional-services firms in built environment, financial services, health, energy and related sectors, targeting senior marketing, business development and…
Financial Health
StableStable · 0% CAGR over 2y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and strategic communications services focused on legal and litigation matters. Advises organisations on litigation PR, crisis communications, reputation management,…
Serves law firms, corporates and state entities involved in high-value, complex international disputes, with clients also in legal, energy, defence and security sectors.
Financial Health
HealthyHealthy · -62% CAGR over 4y
Location
WA Communications Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides strategic communications and public affairs consultancy, advising organisations on policy engagement, corporate communications, media relations and advocacy campaigns. Supports clients in…
Serves B2B and institutional clients in policy-sensitive sectors, selling to organisations in energy, education, financial services, healthcare and transport that need public affairs and corporate…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and strategic communications services, advising companies on stakeholder communication, financial markets messaging, and reputation management. Supports businesses with…
Serves businesses across diverse sectors, particularly companies needing to communicate with financial markets, investors and other international stakeholders, with clients based across global…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
Woodrow Communications Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides strategic communications and advisory services to organisations, including communications strategy, media relations, advocacy and campaigning, sustainability communications, internal…
Serves businesses and institutions facing high-stakes public, policy and stakeholder conversations, including clients needing influence, advocacy, sustainability and engagement support across…
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 4y
Location
Full Circle Corporate Communications Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and communications services for insurance and financial services organisations, including media relations, press outreach, social media management, crisis communications,…
Sells to B2B clients in insurance and financial services, especially insurers, MGAs, brokers, claims providers, InsurTechs, reinsurers and risk managers across Lloyd’s, London market, UK general…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
Soho Communications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides strategic communications and public relations services including media relations, brand building, reputation management, financial and corporate communications, crisis and litigation…
Serves businesses, high-profile individuals and campaign groups, with clients and case studies in hospitality, retail, wine, hotels, tourism and public affairs.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
Spreckley Partners Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and communications services, including strategic communications, media and analyst relations, content development, corporate reputation management, crisis communications,…
Serves businesses and marketing/communications teams in technology-led sectors, including B2B and consumer tech, fintech, healthtech, cleantech, retailtech, aeronautics and space technology.
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
Telling Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides international public relations and communications consultancy, advising organisations on strategic messaging, media relations, and campaigns designed to influence public opinion and…
Serves organisations seeking international public relations and strategic communications support, including businesses and institutions facing complex public or stakeholder communication challenges.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
M&F Health Communications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public relations, public affairs and strategic communications services focused on the healthcare and wellbeing sector, supporting organisations with policy engagement, media relations,…
Serves healthcare and wellbeing organisations, including pharmaceutical companies and health-sector teams operating in the UK healthcare environment, with buyers in policy, communications and public…
Financial Health
StrongStrong · Growing, Hiring · 21% CAGR over 4y
Location
Inflect Partners Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides strategic communications and public affairs consultancy services, advising organisations on policy engagement, stakeholder communications and advocacy campaigns. Supports clients with…
Serves organisations seeking to influence policy and public affairs, including clients in net zero, transport/connectivity, healthcare/NHS investment and regional development with local, regional and…
Financial Health
StrongStrong · Hiring · 28% CAGR over 4y
Location
Alma Strategic Communications Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides financial and corporate communications consultancy including investor relations, media relations and strategic messaging for listed and private companies. Advises on IPO communications,…
Serves listed and private businesses, including FTSE 250 companies, AIM and AQSE growth companies, IPO candidates, and corporate leadership teams across multiple sectors needing investor and…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 3y
Location
FINN PARTNERS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and communications services including brand strategy, advertising, public relations, digital marketing, influencer marketing, corporate communications, crisis management, investor…
Serves B2B and B2C brands, associations and organisations worldwide across consumer, health, technology, financial services, education, energy, manufacturing, travel, tourism, sustainability and…
Financial Health
StableStable · Hiring · 43% CAGR over 4y
Location
Houston Public Relations Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and communications services, including consumer, corporate, capital markets and digital campaigns. Supports brand launches, media relations, and integrated communication…
Serves B2B clients of varying sizes across consumer brands, corporate organisations, digital businesses and capital markets, including listed companies, investment firms and retail/lifestyle brands.
Financial Health
StableStable · Hiring · 40% CAGR over 4y
Location
Palatine Communications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides communications consultancy services including public relations campaigns, financial communications, and advice on reputational and critical issues. Works with investors, litigants,…
Serves investors, litigants, organisations and private individuals worldwide that need to influence audiences in business, finance, politics and the media.
Financial Health
StrongStrong · Hiring · 37% CAGR over 4y
Location
SEVEN CONSULTANCY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides communications and public relations consultancy for start-ups, technology companies and public sector organisations. Services include message development, stakeholder engagement, media…
Serves start-ups, scale-ups, global businesses and public sector organisations, especially in technology, AI, fintech, health-tech and sustainability, including communications and marketing…
Financial Health
HealthyHealthy · -61% CAGR over 4y
Location
QUATRO PUBLIC RELATIONS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides political communications and public relations consultancy for planning, infrastructure and energy projects. Services include stakeholder consultation, community engagement campaigns, media…
Serves B2B and public-sector clients, from SME developers to multinational corporations and government organisations, in the planning, infrastructure and energy sectors across England and Wales.
Financial Health
WeakWeak · -8% CAGR over 4y
Location
Provides public relations and strategic communications consultancy, advising companies, institutions and individuals on reputation management, media relations, public affairs and stakeholder…
Serves B2B, institutional and high-profile individual clients, including corporate leaders and communications/public affairs teams in sectors such as energy, healthcare, food and drink, sport,…
Financial Health
Insufficient historyInsufficient history
Location
JBP Associates Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides public relations, stakeholder engagement, political affairs and marketing consultancy. Develops communication strategies, campaigns, digital content and creative assets to help organisations…
Sells to organisations needing communications support, mainly B2B and public sector clients in built environment, infrastructure, low carbon, transport and logistics, telecoms, rural economy, trade…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 3y
Location
Tendo Consulting Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public affairs, public relations and communications consultancy. Advises organisations on government relations, media relations, crisis communications and policy advocacy, and develops…
Serves UK organisations, trade bodies and institutions seeking to influence government, media and public policy, including tourism and research-sector clients, plus teams needing communications,…
Financial Health
WeakWeak · Hiring · 21% CAGR over 4y
Location
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How London PR agency companies work and how to sell to them
What they do
London PR agencies earn revenue by selling advisory time, media access and campaign delivery rather than a repeatable software licence. Income usually blends monthly retainers for press office cover, fixed-fee projects for launches or reputation work, and day-rate senior counsel for crisis or public-affairs support. Some add pass-through costs for monitoring, events, research, production or paid amplification, but margin tends to sit in staff utilisation and account retention. Smaller practices often price around founder involvement and sector relationships; larger teams split delivery across account handlers, specialists and senior reviewers.
Who they sell to
Buyers are usually communications directors, marketing directors, founders, public-affairs heads or corporate affairs teams, with procurement becoming more visible in public sector, financial services, healthcare and larger corporate accounts. Most sales are direct and relationship-led: chemistry meetings, informal recommendations, agency roster reviews and competitive pitches matter more than self-serve procurement. Smaller campaign briefs can move quickly when a news moment or launch date forces a decision, while retained mandates often involve several stakeholders, conflict checks, scope negotiation and legal review. Typical budgets vary by workstream, senior access and whether the agency is expected to handle strategy, drafting, press handling and stakeholder mapping.
What they buy
PR agencies tend to spend on tools and services that protect billable time and help prove client value. Common categories include media monitoring, journalist databases, social listening, coverage analysis, workflow management, CRM, proposal tooling, finance systems, payroll, HR and secure document sharing. Agencies with public-affairs or crisis work may care more about audit trails, approval processes, data retention and role-based access than a consumer campaign shop. Outside software, they often buy freelance writing, design, research, event support, media training, legal advice, accounting, professional indemnity insurance and recruitment support for account handlers and specialist consultants.
Why and how to sell to them
Commercial triggers usually appear when an agency wins a retained account, loses a client-service lead, adds a new practice area, joins a procurement roster or starts pitching larger regulated clients. Pain points are often operational rather than technical: under-recovered staff time, inconsistent reporting, duplicated media lists, slow approvals, weak handover notes and thin evidence of campaign impact. Outbound messages tend to land better when they connect to margin, client retention, pitch conversion or governance, rather than generic productivity claims. Public-affairs agencies may also evaluate vendors when lobbying declarations, conflicts processes or client audit requirements become harder to manage manually.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Sources
- Transparency of Lobbying, Non-Party Campaigning and Trade Union Administration Act 2014
- Part 1 of the Act is titled "Registration of consultant lobbyists".
- Section 1 is titled "Prohibition on consultant lobbying unless registered".
- Sections 3 to 7 cover "Keeping the register", including "The Registrar of Consultant Lobbyists" and "The register".
- Section 7 is titled "Publication of register".
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