Company lists · Data refreshed September 2026

Top 25 SEO marketing staffing based in the United Kingdom

Name: SEO marketing staffing based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 3,105 companies tracked

RevenueBase identified 3,105 company matches for SEO marketing staffing associated with the United Kingdom as of September 2026 and tracks 24,818 professional contacts across them, including 5,049 with verified work emails and 1,680 with mobile numbers. London is the largest hub.

This list covers company matches for SEO marketing staffing associated with the 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 6, 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 6, 2026 How this list was built

3,105Companies

24,818Contacts tracked

5,049Verified emails

1,680Mobile numbers

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The 25 largest SEO marketing staffing based in the United Kingdom

Ranked by team size

Top 25 of 3,105 company matches for SEO marketing staffing based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 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	Harvey Nash	Exact match	London, United KingdomHQ recorded Sep 6, 2026	5,001-10,000	1,248 contacts →
	Exact match “We’re Harvey Nash, and we build amazing technology and digital teams.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2	Weareaspire	Exact match	London, United KingdomHQ recorded Sep 6, 2026	n/a	333 contacts →
	Exact match “Search jobs or partner with us by visiting We are Aspire.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3	Express Staffing	Exact match	Orpington, United KingdomHQ recorded Sep 6, 2026	n/a	333 contacts →
	Exact match “Trading since 2007 Express Staffing focuses on a variety of clients predominately, but not limited to, commercial property.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4	Tangent International	Exact match	Billericay, United KingdomHQ recorded Sep 6, 2026	201-500	244 contacts →
	Exact match “Tangent International Integrated Talent and Delivery across Technology and Communications.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5	Rethink	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	225 contacts →
	Exact match “Established in 2005 by Rethink Group, we deliver recruitment strategies for the curious: those who want to surpass their competition by attracting, engaging and hiring the best…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6	IC Resources	Exact match	Reading, United KingdomHQ recorded Sep 6, 2026	51-200	211 contacts →
	Exact match “In the search for highly skilled talent, IC Resources has supported the technology community since We match great talent to deep-tech companies around the world.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7	Marketing Talent Publishing, Events & Tech Recruitment	Exact match	London, United KingdomHQ recorded Sep 6, 2026	n/a	191 contacts →
	Exact match “We help marketing leaders in the Publishing, Events and Business Intelligence sector hire exceptional Marketing Talent Looking for a new role?” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8	Explore Group	Exact match	London, United KingdomHQ recorded Sep 6, 2026	11-50	143 contacts →
	Exact match “The Explore Group has been helping companies recruit top talent in the ever-evolving world of technology since 2005.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9	Provide	Exact match	Milton Keynes, United KingdomHQ recorded Sep 6, 2026	11-50	134 contacts →
	Exact match “SustainRecruit is a specialist Tech, Digital and Financial Services recruitment partner, connecting organisations with high-quality talent across a broad range of disciplines.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10	Skillrecruit	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	125 contacts →
	Exact match “Skilliantech Ltd, trading as “SkillRecruit”, is a specialist IT and Engineering recruitment agency delivering comprehensive coverage of recruitment services across all industries…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11	Annapurna	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	119 contacts →
	Exact match “At Annapurna, we are focused on becoming a trusted responsible search partner for our clients.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12	The SEO Works	Exact match	Sheffield, United KingdomHQ recorded Sep 6, 2026	51-200	98 contacts →
	Exact match “The SEO Works are an award-winning provider of search marketing, websites and paid social for leading brands and prospering SME’s.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13	Finixio	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	96 contacts →
	Exact match “Finixio is UK based remote first Marketing & SEO Agency helping clients all over the world.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14	The Recruitment Crowd TRC Group	Exact match	Leeds, United KingdomHQ recorded Sep 6, 2026	51-200	92 contacts →
	Exact match “About The Recruitment Crowd Our company is based on the belief that our customers' needs are of the utmost importance.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15	BPO Recruit	Exact match	London, United KingdomHQ recorded Sep 6, 2026	11-50	91 contacts →
	Exact match “We are an executive recruitment firm based in the City of London and are specialists in the search and selection of professionals in Technology, Digital & RPA, BPO, Shared…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16	Central Employment	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 6, 2026	11-50	84 contacts →
	Exact match “An independent Recruitment Agency which was established in the 70's.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17	Strike IT Recruitment Services	Exact match	London, United KingdomHQ recorded Sep 6, 2026	11-50	81 contacts →
	Exact match “At Strike IT, we are your strategic partner in digital and technology recruitment, committed to connecting forward-thinking businesses with the talent they need to fuel innovation.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18	The ONE Group LTD	Exact match	Peterborough, United KingdomHQ recorded Sep 6, 2026	51-200	78 contacts →
	Exact match “The ONE Group is a specialist recruitment consultancy offering tailored recruitment solutions to businesses across Cambridgeshire, Northamptonshire, Peterborough, Hertfordshire…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19	Stickyeyes	Exact match	Leeds, United KingdomHQ recorded Sep 6, 2026	201-500	77 contacts →
	Exact match “Search Marketing \| Content \| Strategy Delivered by passionate people.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20	Mediavision	Exact match	London, United KingdomHQ recorded Sep 6, 2026	11-50	77 contacts →
	Exact match “At MediaVision, we believe there's potential hidden in every search.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21	Knotsync	Exact match	Stafford, United KingdomHQ recorded Sep 6, 2026	51-200	73 contacts →
	Exact match “Leading Web Design Agency In the UK and US offering top-notch SEO, SEM, SMO, PPC, Web Design, and Development services worldwide.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22	3search	Exact match	London, United KingdomHQ recorded Sep 6, 2026	11-50	72 contacts →
	Exact match “3Search is a commercial recruitment agency, connecting talent to help you and your company thrive.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23	Ideal Recruit Limited	Exact match	Warrington, United KingdomHQ recorded Sep 6, 2026	11-50	70 contacts →
	Exact match “IDEAL RECRUIT LIMITED is a staffing and recruiting company with our Head Office based in Warrington.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24	BLU Digital	Exact match	London, United KingdomHQ recorded Sep 6, 2026	11-50	70 contacts →
	Exact match “Blu Digital is a professional, customer-centric Digital Recruitment agency in the heart of London and is fast becoming one of the leading digital recruitment agencies in the…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25	NRG	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 6, 2026	51-200	65 contacts →
	Exact match “Headquartered in Newcastle upon Tyne, NRG has established a strong presence across the UK and has successfully expanded into key USA markets.” Recorded in the RevenueBase company graph · Sep 6, 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 “SEO marketing staffing”. 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 3,105 SEO marketing staffing based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,049 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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SEO marketing staffing based in the United Kingdom at a glance

As of Sep 6, 2026

20.3%Verified-email coverage

6.8%Mobile-number coverage

8.0Average contacts per company

1-10Median size (employees)

33.1%Largest-city concentration · London

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

2,208

11-50

748

51-200

117

201-500

501-1,000

1,001-5,000

5,001-10,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

4,7110–30

31331–60

661–90

290–180

17180+

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 the United Kingdom whose business descriptions match “SEO marketing staffing” 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 5,049 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 6, 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.

SEO marketing staffing by metro

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

How many SEO marketing staffing are there based in the United Kingdom?

RevenueBase identified 3,105 company matches for SEO marketing staffing associated with the 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?

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

Which city has the most SEO marketing staffing?

London leads with 1027 company records, followed by Manchester (146) and Birmingham (89).

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 5,049 professional contacts with verified work emails tracked across these 3,105 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 6, 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.