Company lists · Data refreshed September 2026

Top 25 Accounting firm marketing agencies based in London, United Kingdom

Name: Accounting firm marketing agencies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 2,116 companies tracked

RevenueBase identified 2,116 company matches for accounting firm marketing agencies associated with London, United Kingdom as of September 2026 and tracks 32,053 professional contacts across them, including 5,247 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for accounting firm marketing agencies 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 September 27, 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 Sep 27, 2026 How this list was built

2,116Companies

32,053Contacts tracked

5,247Verified emails

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The 25 largest accounting firm marketing agencies based in London, United Kingdom

Ranked by team size

Top 25 of 2,116 company matches for accounting firm marketing agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Mediacom	Exact match	London, United KingdomHQ recorded Sep 27, 2026	5,001-10,000	3,247 contacts →
	Exact match “Hello.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	PKF Littlejohn	Exact match	London, United KingdomHQ recorded Sep 27, 2026	501-1,000	702 contacts →
	Exact match “We are a fast-growing firm of accountants and business advisers based in London’s Canary Wharf, Leeds and in Manchester.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Haysmac	Exact match	London, United KingdomHQ recorded Sep 27, 2026	501-1,000	655 contacts →
	Exact match “HaysMac is an award‑winning accountancy, tax and advisory firm, known for delivering expert, partner‑led advice to ambitious organisations and individuals.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Mazars In The UK	Exact match	London, United KingdomHQ recorded Sep 27, 2026	1,001-5,000	505 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Gravita	Exact match	London, United KingdomHQ recorded Sep 27, 2026	201-500	379 contacts →
	Exact match “Welcome to the new era of accountancy.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Mercer & Hole	Exact match	London, United KingdomHQ recorded Sep 27, 2026	201-500	284 contacts →
	Exact match “A forward-thinking accountancy firm with our clients’ vision at the centre of everything we do.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Lubbock Fine	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	203 contacts →
	Exact match “Lubbock Fine is an independent accounting, tax, audit and advisory firm in the City of London.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Sopher CO	Exact match	London, United KingdomHQ recorded Sep 27, 2026	201-500	185 contacts →
	Exact match “Sopher + Co is one of the most entrepreneurial and progressive firms of accountants, business advisers, tax and corporate finance consultants in London.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Dixon Wilson	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	153 contacts →
	Exact match “Dixon Wilson is one of the leading firms of Chartered Accountants based in London.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Krow Group	Exact match	London, United KingdomHQ recorded Sep 27, 2026	201-500	150 contacts →
	Exact match “At krow Group, our ideas are designed to make a genuine difference, building your brand and making it easier to buy by capturing and converting people’s attention.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	SPARK	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	134 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Accounts And Legal	Exact match	London, United KingdomHQ recorded Sep 27, 2026	11-50	133 contacts →
	Exact match “Traditional accountants do a great job of the numbers, but that's often as far as the service goes.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Simmons Gainsford, Part Of The Sumer Group	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	126 contacts →
	Exact match “Simmons Gainsford is a multi-disciplinary firm of chartered accountants and business advisers.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	E Intelligence	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	117 contacts →
	Exact match “e intelligence is a renowned global leader in the digital marketing space.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Xeinadin Previously Silver Levene	Exact match	London, United KingdomHQ recorded Sep 27, 2026	1,001-5,000	102 contacts →
	Exact match “With more than 2,500 people spanning our office network, we provide an extensive spectrum of personalised services, encompassing accounting, audit, tax, advisory, and business…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Goodman Jones	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	91 contacts →
	Exact match “We focus on understanding your individual business needs.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Rocketmill NOW PMG	Exact match	London, United KingdomHQ recorded Sep 27, 2026	501-1,000	85 contacts →
	Exact match “PMG acquired RocketMill in late 2023.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	The Specialist Works B Corp	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	85 contacts →
	Exact match “The Specialist Works is built exclusively for marketers at entrepreneurial brands.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Beavis Morgan	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	82 contacts →
	Exact match “Beavis Morgan is part of the Kinbrook Group, a people-first accounting, wealth management, legal and professional advisory services group.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Social Boost	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	79 contacts →
	Exact match “Social Boost has helped to grow more than 25 million real Followers, created content for 100+ brands, and generated over 300k sales leads.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Substance Global	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	77 contacts →
	Exact match “Founded in 2003, Substance is an award-winning digital marketing agency.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Clicksco	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	66 contacts →
	Exact match “As a new chapter in our Digital Agency begins, we are also a fantastic place to work, with a reputation for discovering and nurturing some of the finest minds in the business…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	OTM Create	Exact match	London, United KingdomHQ recorded Sep 27, 2026	11-50	62 contacts →
	Exact match “OTM is a creative marketing agency for financial services, B2B technology and public sector companies.[Please Note, we have NO connection with Oracle Transportation Management]…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Tamooz Marketing Communications	Exact match	London, United KingdomHQ recorded Sep 27, 2026	51-200	60 contacts →
	Exact match “OUR PEOPLE Our team brings a powerful blend of strategic minds and creative souls, delivering targeted solutions that capture your audiences’ hearts and heads.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	COAL	Exact match	London, United KingdomHQ recorded Sep 27, 2026	11-50	56 contacts →
	Exact match “At COAL we make better advertising, by making advertising better.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “accounting firm marketing agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 2,116 accounting firm marketing agencies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 5,247 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting firm marketing agencies based in London, United Kingdom at a glance

As of Sep 27, 2026

16.4%Verified-email coverage

15.1Average contacts per company

1-10Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

1,459

11-50

535

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 2,116 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 “accounting firm marketing agencies” 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 5,247 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 September 27, 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.

Accounting firm marketing agencies by metro in the United Kingdom

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 “accounting firm marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firm marketing agencies are there based in London, United Kingdom?

RevenueBase identified 2,116 company matches for accounting firm marketing agencies associated with London, United Kingdom as of September 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?

Mediacom 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 accounting firm marketing agencies?

London leads the United Kingdom with 2,116 company records, followed by Manchester (262) and Birmingham (180).

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 5,247 professional contacts with verified work emails tracked across these 2,116 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 September 27, 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.