Company lists · Data refreshed September 2026

Top 25 Digital advertising law firms based in the United Kingdom

RevenueBase identified 150 digital advertising law firms headquartered in the United Kingdom as of September 2026 and tracks 877 professional contacts across them, including 393 with verified work emails. London is the largest hub.

This list covers digital advertising law firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
150Companies
877Contacts tracked
393Verified emails
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The 25 largest digital advertising law firms based in the United Kingdom

Ranked by team size
Top 25 of 150 digital advertising law firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to digital advertising law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-20097 contacts →

Partial evidence

“Lee & Thompson is one of the UK’s leading law firms for the media, technology and creative industries.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceBristol, United KingdomHQ checked Sep 28, 202611-5054 contacts →

Partial evidence

“At Conscious, we have over 20 years of experience in helping law firms become more successful online.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026n/a45 contacts →

Partial evidence

“Bambu is an online marketing and advertising agency based in London, working with startup and growth brands across the UK, Europe and North America, founded by two ex-WPP…”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5043 contacts →

Indirect evidence

“Harpa was founded in 2020 by former lawyers that wanted to provide full-service legal marketing services with a boutique approach.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5043 contacts →

Indirect evidence

“Stuart Miller Solicitors have been able to exceed their goal of gaining a high reputation among others in the field, an achievement made possible by the high calibre of employees…”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceLightwater, United KingdomHQ checked Sep 28, 202651-20038 contacts →

Partial evidence

“360 Law Services, part of the 360 Law Group, is a pioneering law firm covering all areas of business and consumer law that is changing the way law is practiced in the UK.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceIslington, United KingdomHQ checked Sep 28, 202611-5036 contacts →

Partial evidence

“Founded by the trailblazing Margaret Briffa in 1995 Briffa specialises in all aspects intellectual property and IT law.”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceGlasgow, United KingdomHQ checked Sep 28, 202611-5020 contacts →

Strong evidence

“We are a proven growth partner for ambitious law firms looking to thrive in the digital age.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceGuildford, United KingdomHQ checked Sep 28, 202611-5020 contacts →

Indirect evidence

“We are inquisitive minds with big personalities and one goal – to help you get your message out there and generate genuine leads.”

Source: RevenueBase Database · checked Sep 28, 2026
10Strong evidenceWestbury, United KingdomHQ checked Sep 28, 202611-5017 contacts →

Strong evidence

“Growing UK Law firms often hit a ceiling: they need a strong digital presence, but a full in-house marketing department just doesn’t make sense.”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5017 contacts →

Partial evidence

“At GO DGTL, we're dedicated to unlocking the power of digital marketing.”

Source: RevenueBase Database · checked Sep 28, 2026
12Strong evidenceBromley, United KingdomHQ checked Sep 28, 202611-5015 contacts →

Strong evidence

“Digital & Analogue Partners (D&A Partners) is a UK-based law and consulting firm specialising in the digital economy, including AI, Web3, and crypto regulation.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026201-50015 contacts →

Indirect evidence

“From 1 December 2024, all of the Partners and People of AA Thornton IP LLP joined Venner Shipley LLP to carry on business together under the name Venner Shipley.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5013 contacts →

Indirect evidence

“We are British and European Patent and Trade Mark Attorneys.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-509 contacts →

Indirect evidence

“Leading media, data protection, privacy and defamation solicitors based in London.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceOxford, United KingdomHQ checked Sep 28, 20261-108 contacts →

Partial evidence

“Clayden Law is a leading, specialist information technology, data privacy and cybersecurity law firm in the Thames Valley.”

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidenceLondon, United KingdomHQ checked Sep 28, 20261-108 contacts →

Strong evidence

“Founded by Nigel Abbas, ABBAS Media Law is a specialist law firm working principally in the television, film, advertising and publishing industries.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceLeeds, United KingdomHQ checked Sep 28, 20261-108 contacts →

Indirect evidence

“As a firm with an outlook in the fields of technology, business services and the data economy, we have a network of professionals with extensive experience working across…”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-508 contacts →

Partial evidence

“Cohen Davis Solicitors is a boutique law firm that specialises in internet law matters.”

Source: RevenueBase Database · checked Sep 28, 2026
20Strong evidenceLondon, United KingdomHQ checked Sep 28, 202611-507 contacts →

Strong evidence

“Alston Asquith is a specialist commercial and technology law firm serving innovative companies and industry leading organisations across a range of technology, digital media and…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-507 contacts →

Indirect evidence

“Your legal partner for pivotal moments.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceSheffield, United KingdomHQ checked Sep 28, 202611-507 contacts →

Indirect evidence

“For over 10 years we’ve been putting brands in front of their customers, wherever they’re searching online.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceHastings, United KingdomHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

“Azrights International Ltd started out as an eLearning company to provide training in brand, and intellectual property.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceLeeds, United KingdomHQ checked Sep 28, 20261-107 contacts →

Partial evidence

“Our Google and Meta advertising experts help businesses and agencies to maximise their online presence, reach the right audience, increase website traffic, and boost revenue.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceTeignmouth, United KingdomHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

“Integrated Marketing services for B2B and B2C companies.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 150 digital advertising law firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 393 reachable decision-makers.

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Digital advertising law firms based in the United Kingdom at a glance

As of Sep 28, 2026
44.8%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
45.3%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
113
11-50
31
51-200
3
201-500
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 150 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among digital advertising law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “digital advertising law firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names digital advertising law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among digital advertising law firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 393 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Digital advertising law firms by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names digital advertising law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many digital advertising law firms are there based in the United Kingdom?

RevenueBase identified 150 digital advertising law firms headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

LEE & Thompson LLP, headquartered in London, tops this list with the largest team on record.

Which city has the most digital advertising law firms?

London leads with 68 headquartered companies, followed by Manchester (5) and Leeds (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 393 verified decision-maker contacts tracked across these 150 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.