Company lists · Data refreshed October 2026

Top 20 Healthcare crisis communication firms based in London, United Kingdom

RevenueBase identified 51 company matches for healthcare crisis communication firms associated with London, United Kingdom as of October 2026 and tracks 633 professional contacts across them, including 214 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for healthcare crisis communication firms associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 13, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 13, 2026 How this list was built
51Companies
633Contacts tracked
214Verified emails
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The 20 largest healthcare crisis communication firms based in London, United Kingdom

Ranked by team size
Top 20 of 51 company matches for healthcare crisis communication firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 13, 202651-20077 contacts →

Exact match

“Anchored in our ambition to deliver meaningful solutions that earn impact, Havas SO is built on an earned-first foundation, powered by PR, social, patient engagement, and…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5034 contacts →

Exact match

“At Fox Communications, our best practice merges solid thinking with an adaptability that reflects an ever-changing digital landscape.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5023 contacts →

Exact match

“Optimum is an international strategic communications firm specialising in investor relations, corporate and financial communications.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5019 contacts →

Exact match

“De Facto is a full-service agency with an international reach providing specialist communications consulting to the healthcare and life science sectors.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5018 contacts →

Exact match

“ZPB is a strategy and data-led healthcare communications consultancy.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5016 contacts →

Exact match

“SomX is a full-service communications, creative and clinical creator management agency elevating healthcare.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5015 contacts →

Exact match

“Hi, we’re Clark Health Communications (or CHC to our friends) an independent, award-winning, team of communications strategists with experience across pharmaceuticals…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5013 contacts →

Exact match

“Full Circle brings together a team of skilled insurance PR and communications experts with one clear aim: to enhance and increase the impact of your communication activities on…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-1012 contacts →

Exact match

“We are a healthcare communications agency founded upon the Power Of Partnerships (POP).”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 13, 2026201-50010 contacts →

Exact match

“we@havasfaze.com”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-108 contacts →

Exact match

“Hello!”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-507 contacts →

Exact match

“ICR Consilium is a global leader in strategic healthcare communications advisory with offices in London and New York.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-503 contacts →

Exact match

“Today’s healthcare marketing landscape is more complex and challenging than ever-the “standard” playbook no longer guarantees success.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-102 contacts →

Exact match

“Seymour Communications brings together subject matter experts from across comms disciplines, ready to deliver bespoke strategy for your business.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-102 contacts →

Exact match

“Taylor Michael Media is a specialist Media, Reputation and Crisis Management company built on 30 years of national newspaper and senior executive PR experience.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-502 contacts →

Exact match

“Better.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-102 contacts →

Exact match

“Autonomous Health sits perfectly in the gap being created by larger agencies.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-102 contacts →

Exact match

“TWO Communications is a strategic communications consultancy specializing in the pharmaceutical and biotechnology space.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-101 contacts →

Exact match

“We help our healthcare clients create lasting relationships with customers, industry partners, patients and the media.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-101 contacts →

Exact match

“Tailored medical communication solutions to meet your goals on time, every time.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 20 of 51 healthcare crisis communication firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 214 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Healthcare crisis communication firms based in London, United Kingdom at a glance

As of Oct 13, 2026
33.8%Verified-email coverage
12.4Average contacts per company
11-50Median size (employees)
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
17
51-200
7
201-500
2

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 51 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with London, United Kingdom whose business descriptions match “healthcare crisis communication firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 214 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 13, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “healthcare crisis communication firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many healthcare crisis communication firms are there based in London, United Kingdom?

RevenueBase identified 51 company matches for healthcare crisis communication firms associated with London, United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Havas SO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most healthcare crisis communication firms?

London leads the United Kingdom with 51 company records, followed by Bristol (3) and Brighton (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 214 professional contacts with verified work emails tracked across these 51 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.