Company lists · Data verified August 2026

Top 25 Enterprise connectivity consultants based in the United Kingdom

Name: Enterprise connectivity consultants based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 394 companies tracked

There are 394 enterprise connectivity consultants headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 5,150 professional contacts across them, including 2,388 with verified work emails and 308 with mobile numbers. London is the largest hub.

This list covers enterprise connectivity consultants headquartered in the 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.

394Companies

5,150Contacts tracked

2,388Verified emails

308Mobile numbers

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The 25 largest enterprise connectivity consultants based in the United Kingdom

Ranked by team size

Top 25 of 394 enterprise connectivity consultants based in the 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	Nasstar	Wakefield	1,001-5,000	841	381
2	Exponential-E	London	501-1,000	661	505
3	Maintel	London	201-500	361	215
4	BUI	Derby	51-200	250	19
5	Elevate	Manchester	201-500	236	67
6	Fluidone	London	201-500	202	165
7	IDEAL	Brighton	51-200	96	40
8	ISG Tech	Brierfield	201-500	76	12
9	ADM Computing	Canterbury	51-200	72	59
10	Specialist Network Operations	Oswestry	51-200	54	31
11	MLR Networks LTD	Runcorn	11-50	53	34
12	Electranet UK Limited	London	51-200	49	6
13	NEW ERA Technology UK	Brighton	1,001-5,000	47	36
14	TIG Data Intelligence	London	51-200	45	1
15	Updata Infrastructure	Reigate	501-1,000	43	8
16	Retail Technology Services LTD	Northampton	11-50	41	16
17	Lan2lan	Leatherhead	11-50	40	4
18	Excel IT	Grays	201-500	35	10
19	FLOW	Hemel Hempstead	11-50	33	19
20	MIX Consultancy LTD	London	11-50	32	22
21	Converged Communication Solutions	Aberdeen	11-50	29	24
22	Matrix247	Manchester	1,001-5,000	27	17
23	Axians C&c Nouveau Solutions LTD	Wokingham	11-50	26	5
24	ATOM	Newcastle Upon Tyne	11-50	21	13
25	OX IT Solutions LTD	Kidlington	11-50	21	9

Showing 25 of 394 enterprise connectivity consultants based in the United Kingdom

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Enterprise connectivity consultants based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 106 HQs

308Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

233

11-50

115

51-200

201-500

501-1,000

1,001-5,000

Enterprise connectivity consultants by metro

Metro	Companies
Enterprise connectivity consultants in London	106
Enterprise connectivity consultants in Leeds	10
Enterprise connectivity consultants in Manchester	10
Enterprise connectivity consultants in Bristol	7
Enterprise connectivity consultants in Edinburgh	5
Enterprise connectivity consultants in Belfast	5
Enterprise connectivity consultants in Aberdeen	5

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 “enterprise connectivity consultants”, with match quality audited by blind human judging, and headquartered in the 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; 0 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 enterprise connectivity consultants are there based in the United Kingdom?

There are 394 enterprise connectivity consultants headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Nasstar, headquartered in Wakefield, tops this list with the largest team on record.

Which city has the most enterprise connectivity consultants?

London leads with 106 headquartered companies, followed by Leeds (10) and Manchester (10).

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 2,388 verified decision-maker contacts tracked across these 394 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.