Company lists · Data verified August 2026

Top 25 Custom ecommerce software developers based in the United Kingdom

Name: Custom ecommerce software developers 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 831 companies tracked

There are 831 custom ecommerce software developers headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 17,325 professional contacts across them, including 2,393 with verified work emails and 1,079 with mobile numbers. London is the largest hub.

This list covers custom ecommerce software developers 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.

831Companies

17,325Contacts tracked

2,393Verified emails

1,079Mobile numbers

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The 25 largest custom ecommerce software developers based in the United Kingdom

Ranked by team size

Top 25 of 831 custom ecommerce software developers 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	PMC	Abingdon	501-1,000	1,429	303
2	Shopline	London	1,001-5,000	748	175
3	THG Ingenuity	Manchester	5,001-10,000	547	107
4	Avensia	London	201-500	288	221
5	Centra	London	51-200	273	72
6	Sweans	London	51-200	135	5
7	Commercehub	Hertford	201-500	134	50
8	Elastic Path	Reading	201-500	119	65
9	TOM & CO	London	51-200	77	35
10	Remarkable Commerce	London	51-200	76	61
11	Portaltech Reply	London	1,001-5,000	71	33
12	Paypro Global	London	51-200	68	32
13	Rockartech	South Newbald York	51-200	67	27
14	By Association Only	Cambridge	51-200	63	18
15	Eclipse Group Solutions LTD	Ashford	51-200	60	37
16	Wunderman Thompson Commerce & Technology	London	1,001-5,000	51	18
17	We ARE Pentagon	London	51-200	43	21
18	Mercaux	London	51-200	42	22
19	247 Commerce Seamless Ecommerce. Integrated Growth	London	51-200	42	19
20	Space 48	Bath	51-200	39	30
21	Oxatis	Londres	51-200	38	1
22	RVS Media LTD	London	51-200	36	1
23	GENE	London	51-200	33	25
24	Future Platforms	London	51-200	31	9
25	Maginus A Naveo Commerce Company	Manchester	51-200	30	10

Showing 25 of 831 custom ecommerce software developers based in the United Kingdom

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Custom ecommerce software developers based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 301 HQs

1,079Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

477

11-50

257

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Custom ecommerce software developers by metro

Metro	Companies
Custom ecommerce software developers in London	301
Custom ecommerce software developers in Manchester	33
Custom ecommerce software developers in Birmingham	24
Custom ecommerce software developers in Leeds	14
Custom ecommerce software developers in Bristol	10
Custom ecommerce software developers in Glasgow	10
Custom ecommerce software developers in Edinburgh	8

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 “custom ecommerce software developers”, 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; 6 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 custom ecommerce software developers are there based in the United Kingdom?

There are 831 custom ecommerce software developers headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

PMC, headquartered in Abingdon, tops this list with the largest team on record.

Which city has the most custom ecommerce software developers?

London leads with 301 headquartered companies, followed by Manchester (33) and Birmingham (24).

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 2,393 verified decision-maker contacts tracked across these 831 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.