Company lists · Data verified August 2026

Top 15 List building services based in Leeds, United Kingdom

Name: List building services based in Leeds, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 34 companies tracked

There are 34 list building services headquartered in Leeds, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 223 professional contacts across them, including 98 with verified work emails and 15 with mobile numbers. London is the largest hub.

This list covers list building services headquartered in Leeds, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

34Companies

223Contacts tracked

98Verified emails

15Mobile numbers

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The 15 largest list building services based in Leeds, United Kingdom

Ranked by team size

Top 15 of 34 list building services based in Leeds, United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Headoffice3	Leeds	51-200	43	18
2	William Saunders	Leeds	11-50	31	23
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	QAD Architects	Leeds	1-10	20	7
4	KPP Architects	Leeds	11-50	18	12
5	Farrell & Clark LLP	Leeds	11-50	11	7
6	Mesh Architects	Leeds	1-10	10	7
7	SDA Architects UK	Leeds	1-10	8	8
8	NW Architects	Leeds	1-10	6	5
9	Brookes Contracting	Leeds	11-50	5	1
10	IKON	Leeds	1-10	4	3
11	ELM FM	Leeds	11-50	3	2
12	Lenica Building Solutions Limited	Leeds	11-50	3	2
13	Houston Group	Leeds	51-200	3	1
14	Deluxe Build Developments LTD	Leeds	1-10	1	1
15	ZIA Developments	Leeds	1-10	1	1

Showing 15 of 34 list building services based in Leeds, United Kingdom

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List building services based in Leeds, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 737 HQs

15Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

List building services by metro in the United Kingdom

Metro	Companies
List building services in London	737
List building services in Manchester	64
List building services in Birmingham	41
List building services in Bristol	39
List building services in Leeds	34
List building services in Nottingham	32
List building services in Glasgow	28

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “list building services”, with match quality audited by blind human judging, and headquartered in Leeds, United Kingdom.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many list building services are there based in Leeds, United Kingdom?

There are 34 list building services headquartered in Leeds, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Headoffice3, headquartered in Leeds, tops this list with the largest team on record.

Which city has the most list building services?

London leads with 737 headquartered companies, followed by Manchester (64) and Birmingham (41).

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 98 verified decision-maker contacts tracked across these 34 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.