Company lists · Data refreshed September 2026

Top 25 B2B web development agencies based in London, United Kingdom

Name: B2B web development 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 23, 2026 1,532 companies tracked

RevenueBase identified 1,532 company matches for B2B web development agencies associated with London, United Kingdom as of September 2026 and tracks 11,259 professional contacts across them, including 1,189 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for B2B web development 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 23, 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 23, 2026 How this list was built

1,532Companies

11,259Contacts tracked

1,189Verified emails

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The 25 largest B2B web development agencies based in London, United Kingdom

Ranked by team size

Top 25 of 1,532 company matches for B2B web development agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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	Publicis PRO	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	139 contacts →
	Exact match “Publicis Pro is the specialist B2B marketing agency within Publicis Groupe, the world's number one marketing holding group.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Giant Digital B Corp	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	122 contacts →
	Exact match “We’re Giant Digital - a team of passionate problem-solvers who love helping charities and ethical organisations do good.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Ledger Bennett	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	93 contacts →
	Exact match “We’re Ledger Bennett.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Internal Results	Exact match	London, United KingdomHQ recorded Sep 23, 2026	201-500	88 contacts →
	Exact match “The B2B Customer Acquisition Specialists Internal Results specialize in generating leads, promoting content, and driving brand awareness for B2B organizations worldwide through…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	BBN	Exact match	London, United KingdomHQ recorded Sep 23, 2026	1,001-5,000	86 contacts →
	Exact match “THIS IS B2B WITHOUT BORDERS THIS IS BBN BBN breaks boundaries.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Williams Commerce	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	74 contacts →
	Exact match “Established in 2009, Williams Commerce is a ecommerce agency focused on Building, Optimising and Growing ecommerce brands.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Propeller Group	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	71 contacts →
	Exact match “Propeller Group is a global B2B agency with an integrated approach to PR, content, and growth marketing.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	FST	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	70 contacts →
	Exact match “We get B2B brands noticed in a world that isn’t looking” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	The Marketing Practice	Exact match	London, United KingdomHQ recorded Sep 23, 2026	501-1,000	51 contacts →
	Exact match “At The Marketing Practice, we’ve combined the best B2B specialists from across the globe in one business, with capabilities that stretch through the funnel, from brand to demand…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Filter	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	50 contacts →
	Exact match “Your expert WordPress agency partner for performance and personalisation.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	The Think Tank	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	44 contacts →
	Exact match “We are The Think Tank: a fully-integrated, result-oriented agency based in Holborn, London.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	QTECH	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	43 contacts →
	Exact match “Over 25 years of experience; over projects delivered and clients in 10 different countries.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Future Factory	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	40 contacts →
	Exact match “We’re Future Factory and we’re pretty damn proud to be one of the UK’s leading business development consultancies.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	TRUE	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	38 contacts →
	Exact match “True is a B2B specialist creative and media agency based in London with global offices.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Nettrackers	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	36 contacts →
	Exact match “At NetTrackers, we're more than just a company - we're your partners in progress.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	RVS Media LTD	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	36 contacts →
	Exact match “RVS Media is an established creative eCommerce development company based in London.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	KOL Limited	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	34 contacts →
	Exact match “KOL limited is a full service Digital Agency headquartered in London.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	YYT	Exact match	London, United KingdomHQ recorded Sep 23, 2026	n/a	33 contacts →
	Exact match “YYT is a modern eCommerce agency based in London.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Velocity Partners	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	32 contacts →
	Exact match “B2B marketing has a big pipeline problem.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	SOON	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	31 contacts →
	Exact match “We are an award-winning digital product and eCommerce business providing high-quality, bespoke web-based solutions that revolutionise businesses.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	RFZ Digital	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	31 contacts →
	Exact match “Step into the dynamic realm of digital innovation and creativity at RFZ Digital.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Digiio	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	28 contacts →
	Exact match “At digiio we pioneer innovative campaigns, approaches and intelligence that unlock interest and capture the imagination of our client’s customers.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Incode Systems Web, Mobile & AI Product Development	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	28 contacts →
	Exact match “We are a software development company that designs, develops, and deploys software solutions for organizations across industries.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Montage	Exact match	London, United KingdomHQ recorded Sep 23, 2026	1-10	27 contacts →
	Exact match “Montage is an award-winning creative B2B marketing agency that helps your brand to engage positively with the very people you want buying your products and services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Ninos Global Tech	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	27 contacts →
	Exact match “At Ninos Global Technology, we are passionate about empowering businesses and individuals with cutting-edge digital solutions.” Recorded in the RevenueBase company graph · Sep 23, 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 “B2B web development 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 1,532 B2B web development agencies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,189 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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B2B web development agencies based in London, United Kingdom at a glance

As of Sep 23, 2026

10.6%Verified-email coverage

7.3Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

1,031

11-50

402

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,532 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 “B2B web development 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 1,189 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 23, 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.

B2B web development 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 “B2B web development agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many B2B web development agencies are there based in London, United Kingdom?

RevenueBase identified 1,532 company matches for B2B web development 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?

Publicis PRO 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 B2B web development agencies?

London leads the United Kingdom with 1,532 company records, followed by Manchester (180) and Birmingham (122).

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 1,189 professional contacts with verified work emails tracked across these 1,532 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 23, 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.