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101 Best Public Relations (PR) Startups in London of 2021

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This article showcases our top picks for the best London based Public Relations (PR) companies. These startups and companies are taking a variety of approaches to innovating the Public Relations (PR) industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

Top London Public Relations (PR) Startups

Data sourced from Crunchbase and SemRush.

Signal AI

Signal AI

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Signal AI is an artificial intelligence company that transforms the world’s information into accessible, actionable business knowledge.

M&C Saatchi

M&C Saatchi

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M&C Saatchi is founded on the principle of Brutal Simplicity.

M&C Saatchi

Brunswick Group

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Brunswick Group LLP provides critical communications advisory services to businesses the United Kingdom and internationally.

M&C Saatchi

OnePulse

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OnePulse is a mobile app that connects people and businesses with opinions and reward them through PayPal.

M&C Saatchi

Avanti Communications

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We are a world-leading provider of agile, secure and pioneering satellite technology across Europe, the Middle East and Africa.

M&C Saatchi

WPP

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WPP creates transformative ideas and outcomes for its clients through an integrated offer of communications, commerce, and technology.

M&C Saatchi

Linkdex

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Linkdex offers a SaaS-based platform unifying search, social, PR and content channels.

M&C Saatchi

Lineup Systems

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Lineup Systems provides CRM tools for multi-channel media companies.

M&C Saatchi

Cymphony

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Cymphony is a business that provides virtual receptionists, outsourced switchboards, and virtual offices.

M&C Saatchi

AKQA

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AKQA is an ideas and innovation company that uses the imaginative application of art and science to create ideas, products, and services.

M&C Saatchi

Ali Rasoul LTD

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An independent creative marketing agency committed to uncompromising visions working in the entertainment and corporate industries.

M&C Saatchi

Bookalook

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Bookalook is the platform for the new generation of fashion professionals.

M&C Saatchi

HIGH PROFILE CLUB

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High Profile Club is a Media agency.

M&C Saatchi

Breakingviews

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Reuters Breakingviews delivers agenda-setting financial insight.

M&C Saatchi

The Engine Group

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A creative community that provides clients with best-in-class communications expertise under one roof.

M&C Saatchi

Springer Nature

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Springer Nature is a leading global research, educational and professional publisher, home to an array of respected and trusted brands

M&C Saatchi

Huntsworth

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Huntsworth plc is an international consultancy group focused on public relations and integrated healthcare communications.

M&C Saatchi

Milk & Honey PR

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Milk & Honey PR is a multi-award winning agency based in London, New York and Sydney. Nurturing reputations of ambitious growth companies.

M&C Saatchi

TalkTalk

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TalkTalk is a phone and broadband company that offers fixed and mobile telephony and broadband services to consumers.

M&C Saatchi

Tryum

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Tryum is a relationship science company that enables retailers to build personal relationships with their customers.

M&C Saatchi

Next Fifteen Communications Group

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Next Fifteen Communications Group is the digital communications group.

M&C Saatchi

Community Fund

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Community Fund is responsible for distributing funds that help to improve communities in the organizations.

M&C Saatchi

Clarity PR

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Clarity delivers tech PR campaigns for the world’s most exciting technology startups.

M&C Saatchi

Yellow Jersey PR Limited

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Yellow Jersey PR is a London-based financial & corporate PR consultancy.

M&C Saatchi

freuds

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We help our clients by creating, curating and editing powerful narratives that define products, causes and individuals.

M&C Saatchi

Haymarket

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Haymarket is a media and information company that creates award-winning specialist content for international audiences.

M&C Saatchi

Contactable

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Contactable is a news analytics company, classifying the interests of journalists.

M&C Saatchi

Karmarama

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Karmarama is a full service communications agency, combining creative excellence with technology-inspired solutions

M&C Saatchi

figshare

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figshare is an online repository for its users to make their research outputs available in a citable, shareable, and discoverable manner.

M&C Saatchi

Commetric Ltd.

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Award-winning media analytics solutions that provide deeper, more practical level of insight. #MoreWithAnalytics

M&C Saatchi

Headland Consultancy

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Headland Consultancy engaged in media relations, campaigns, public affairs, financial and digital communication solutions.

M&C Saatchi

IPG DXTRA

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IPG DXTRA operates a global team of professional web designers & talented graphic artists who offer premium quality design on regular basis.

M&C Saatchi

Cheapflights

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Cheapflights is a search and comparison site offering information on flight deals, travel agents and flight deal providers.

M&C Saatchi

Maintel

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Maintel delivers voice and data platforms and services that fuel innovation and growth.

M&C Saatchi

Digital Window

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Digital Window is the UK’s leading performance marketing network.

M&C Saatchi

XLN Telecom

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XLN Telecom provides utility services for small businesses across United Kingdom.

M&C Saatchi

W Communications

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W Communications brings clients closer to the people they want to reach, through ideas.

M&C Saatchi

Vuelio

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Vuelio provide media intelligence solutions and communication insight.

M&C Saatchi

Grayling

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Grayling develops inventive, integrated communications solutions that are rapidly scalable to create measurable advantage for clients.

M&C Saatchi

Chime Communications PLC

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Chime is an international communications and sports marketing group.

M&C Saatchi

Integrated Medhealth Communication

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Integrated Medhealth Communication is a consultancy that creates revolutionary solutions.

M&C Saatchi

Karla Otto

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Karla Otto is an international public relations and brand strategy agency.

M&C Saatchi

Opinium

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Opinium An innovative & dynamic insight agency that helps its clients to build, grow, promote & make strategic business decisions.

M&C Saatchi

Hotwire

Crunchbase Website Twitter Facebook Linkedin

Hotwire is an integrated communications firm that provides measurement architecture located in London.

M&C Saatchi

Diffusion Inc.

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Diffusion Inc is a firm that specializes in Social Media Advertising.

M&C Saatchi

Virgo Health

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Virgo Health is a global healthcare communications agency that offers creative campaigns and advertising services.

M&C Saatchi

Finsbury

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Finsbury is a global leader in strategic communications provides legal counsel of companies,institutions and organizations.

M&C Saatchi

CCgroup

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B2B tech PR, marketing consultancy, analyst relations, Mobile & Telecoms, Enterprise Tech, FinTech, MediaTech.

M&C Saatchi

Kea Company

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Kea Company is an advisory firm that caters to suppliers of high tech products and services.

M&C Saatchi

Octopus Communications Consultancy

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Octopus Group, a sales-driven content marketing agency.

M&C Saatchi

Brands2Life

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Brands2Life is a multi-discipline communications agency based in London

M&C Saatchi

The Chat Shop

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Live Chat Outsourcing and Consulting

M&C Saatchi

Gallium Ventures

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Gallium is an award winning strategic communications consultancy which works across early stage startups to large listed companies globally.

M&C Saatchi

VC Cafe

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VC Café offers technology companies with information about early stage startups and venture capital investments located in Israel.

M&C Saatchi

PRgloo

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PRGloo providing solutions within the PR and Communications space.

M&C Saatchi

Crypto Wire

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CryptoWire is DeFi and cryptocurrency-related press release wire and distribution platform.

M&C Saatchi

Citigate Dewe Rogerson

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Citigate Dewe Rogerson is one of the most recognised and well-respected names in corporate and financial public relations consultancy.

M&C Saatchi

TVC Group

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TVC is an integrated communications agency.

M&C Saatchi

Seven Hills

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Seven Hills are Britain’s campaigns company working with corporate clients,

M&C Saatchi

MLS Group

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MLS Group PLC operates a network of serviced office buildings in the United Kingdom and internationally.

M&C Saatchi

Health Unlimited

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Health Unlimited is a global health consultancy and communications company located in LONDON.

M&C Saatchi

BECG (Built Environment Communications Group)

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BECG (Built Environment Communications Group) is a specialist communications consultancy.

M&C Saatchi

AxiCom

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AxiCom is a communication agency that specializes in technology-based companies, organizations, and organizations.

M&C Saatchi

Oval Branding

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Branding Consultancy, Corporate Branding, Personal Branding, Online Reputation Management, Digital Marketing

M&C Saatchi

Apella Advisors

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Apella Advisors is a distinctive independent advisory firm created to meet the needs of today’s organisations.

M&C Saatchi

LKI Consulting

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International marketing, PR and communications agency focusing on fintech, crypto and ICOs.

M&C Saatchi

Marlin

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Marlin PR is a public relations firm that engages in organizing campaigns for brands.

M&C Saatchi

Ballou

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Ballou provides strategic communication services to help high-growth companies to expand their customer base.

M&C Saatchi

Huble Digital

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Digital business & marketing consultancy

M&C Saatchi

Beattie Group

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Beattie, the creative communications group.

M&C Saatchi

The Quincy Dash Company

Crunchbase Website Twitter Facebook Linkedin

Public Relations Agency

M&C Saatchi

Montfort

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Montfort is an agency that provides its customers with services in digital marketing, communication, and social media.

M&C Saatchi

Boldspace

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A brand strategy and communications agency built for the next generation of challenger brands and ambitious businesses on a mission.

M&C Saatchi

Babel PR

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A public relations agency, with offices in London and Boston, focused on the technology, media and telecoms industries.

M&C Saatchi

Dynamo Communications

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Consumer and Technology communications consultancy and crowdfunding.

M&C Saatchi

Comufy

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Comufy develops software that helps organizations develop operational efficiency, build utility apps, and integrate social data into CRM.

M&C Saatchi

Glide Technologies

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Glide Technologies is a real-time, web-based solution catering to the needs of PR and communications teams in the digital age.

M&C Saatchi

Remarkable Group

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Remarkable Group is a communications specialists who provide expert counsel and communications services.

M&C Saatchi

Bitcoin PR Buzz

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Bitcoin PR Buzz is a cryptocurrency marketing agency that specializes in digital currency.

M&C Saatchi

Frank

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Frank is a creative agency that helps brands plan, push and manage conversations of their own, generating insight-led promotions.

M&C Saatchi

Translation Services 24

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Translation and Interpreting Agency

M&C Saatchi

Clareville Communications

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Based in Fulham is a Public Relations Agency with directors & managers from backgrounds in publishing, media and PR.

M&C Saatchi

StreamUK

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European digital media specialists

M&C Saatchi

Luther Pendragon

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Luther Pendragon specializes in corporate and financial PR, public affairs, stakeholder communications, training and coaching services.

M&C Saatchi

AB Communications

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AB Communications helps organizations reach their full potential by engaging, informing, and inspiring their audiences.

M&C Saatchi

Nelson Bostock Unlimited

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Nelson Bostock Unlimited is a communications agency for business and technology brands.

M&C Saatchi

Publitek

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Publitek is a B2B tech marketing agency working with over 120 clients around the world, many in highly technical markets.

M&C Saatchi

Aurora Healthcare Communications

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Aurora Healthcare Communications is a strategic communications agency, specializing in health.

M&C Saatchi

33Seconds Ltd

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Social Media Marketing & Social Tech PR

M&C Saatchi

Jargon PR

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JARGON PR is an award-winning agency that helps corporate& technology companies grow brand awareness, communicate key messages & drive sales

M&C Saatchi

Red Lorry Yellow Lorry

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Red Lorry Yellow Lorry offers public relations services for technology, telecom, and media companies.

M&C Saatchi

The Association of Investment Companies

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The Association of Investment Companies provides various types of Investment opportunities to their clients.

M&C Saatchi

MediaVision

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MediaVision is an award-winning integrated digital marketing agency.

M&C Saatchi

The PHA Group

Crunchbase Website Twitter Facebook Linkedin

The PHA Group is a multi-award-winning communications agency that experts to deliver real value to help transform a business or career.

M&C Saatchi

Presswire

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Press Release Distribution & Monitoring

M&C Saatchi

Lateral Net

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Digital agency

M&C Saatchi

John Doe

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John Doe is a provider of communications and public relations services.

M&C Saatchi

Hume Brophy

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Hume Brophy is an international communications firm specialising in Public Relations, Investor Relations and Financial Communications.

M&C Saatchi

Azam Marketing

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Azam Marketing is a full-service digital marketing and design agency which focuses on results.

M&C Saatchi

Chameleon

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Chameleon is based in London but operate globally through the global PR network a network chameleon founded.

M&C Saatchi

International Communications Consultancy Organisation

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The International Communications Consultancy Organisation (ICCO) is the voice of public relations consultancies around the world.

Written by Warren Tesla

My name is Tesla and I am the pseudonym used by The Stratup Pill's broad writing team.

About me: Founder, CEO, CTO, CFO, CMO, CISO, Director, Head of the Board, Head of the oversight board, Executive, Legal Council, Head of Hiring, HR Manager, Consultant.

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