Company lists · Data refreshed September 2026

Top 25 Marketplace connector software providers based in the United Kingdom

Name: Marketplace connector software providers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 83 companies tracked

RevenueBase identified 83 marketplace connector software providers headquartered in the United Kingdom as of September 2026 and tracks 836 professional contacts across them, including 303 with verified work emails. London is the largest hub.

This list covers marketplace connector software providers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

83Companies

836Contacts tracked

303Verified emails

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The 25 largest marketplace connector software providers based in the United Kingdom

Ranked by team size

Top 25 of 83 marketplace connector software providers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to marketplace connector software providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Linnworks	Indirect evidence	Chichester, United KingdomHQ checked Sep 28, 2026	201-500	223 contacts →
	Indirect evidence “Linnworks helps ecommerce brands and retailers take control of their commerce operations, so they can focus on growth, not firefighting.” Source: RevenueBase Database · checked Sep 28, 2026
2	TAMBO	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	102 contacts →
	Indirect evidence “Tambo is now part of Luzern eCommerce.” Source: RevenueBase Database · checked Sep 28, 2026
3	We ARE Pentagon	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	46 contacts →
	Partial evidence “Pentagon is a market-leading service and technology provider that helps retailers accelerate their online growth through global marketplaces.” Source: RevenueBase Database · checked Sep 28, 2026
4	RED Technology	Indirect evidence	Eynsham, United KingdomHQ checked Sep 28, 2026	11-50	38 contacts →
	Indirect evidence “Red Technology is a leading ecommerce solutions provider, combining ecommerce agency services and authoring a sophisticated ecommerce platform.” Source: RevenueBase Database · checked Sep 28, 2026
5	Sparklayer B2B	Partial evidence	Bath, United KingdomHQ checked Sep 28, 2026	11-50	32 contacts →
	Partial evidence “We're SparkLayer - we build eCommerce software that helps brands grow their B2B business.” Source: RevenueBase Database · checked Sep 28, 2026
6	Maginus A Naveo Commerce Company	Indirect evidence	Manchester, United KingdomHQ checked Sep 28, 2026	51-200	30 contacts →
	Indirect evidence “Maginus a Naveo Commerce company is an international end-to-end eCommerce, OMS and Fulfilment technology company helping SMBs and Enterprise across all retail segments to manage…” Source: RevenueBase Database · checked Sep 28, 2026
7	SELRO	Strong evidence	Berkshire, United KingdomHQ checked Sep 28, 2026	11-50	24 contacts →
	Strong evidence “Selro, the cloud-based multi-channel selling management software creates a platform that integrates marketplaces like Amazon, eBay, Etsy, Rakuten, Flubit, Sears, etc, and…” Source: RevenueBase Database · checked Sep 28, 2026
8	Optiseller	Indirect evidence	Stirling, United KingdomHQ checked Sep 28, 2026	51-200	19 contacts →
	Indirect evidence “At Optiseller, we design tools to help online retailers sell more.” Source: RevenueBase Database · checked Sep 28, 2026
9	Brick Technology LTD	Indirect evidence	Chorley, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “The team is made up of great professionals, Brick SaaS Analysts, Programmers, Coders, Designers, Application Developers, Content writers, e-commerce specialists, Graphic Design…” Source: RevenueBase Database · checked Sep 28, 2026
10	Onepatch	Strong evidence	Glasgow, United KingdomHQ checked Sep 28, 2026	1-10	12 contacts →
	Strong evidence “OnePatch is a multi-channel eCommerce software that connects your website with marketplaces, making it easy to list products automatically, sync your stock to avoid overselling…” Source: RevenueBase Database · checked Sep 28, 2026
11	Listabl	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	11 contacts →
	Partial evidence “Smarter Marketplace Selling Expanding across marketplaces is messy, every channel wants product data in a different format, with different rules, and endless manual fixes.” Source: RevenueBase Database · checked Sep 28, 2026
12	Volo Commerce	Partial evidence	Cheltenham, United KingdomHQ checked Sep 28, 2026	11-50	10 contacts →
	Partial evidence “Volo provides an ecommerce platform, a reporting platform and services for multichannel sellers to grow sales on marketplaces like Amazon, eBay and OnBuy, and web stores like…” Source: RevenueBase Database · checked Sep 28, 2026
13	Ten-25 Software LTD	Partial evidence	Wimbourne, United KingdomHQ checked Sep 28, 2026	11-50	8 contacts →
	Partial evidence “We build straightforward software that helps merchant businesses run better - from the trade counter to the back office.” Source: RevenueBase Database · checked Sep 28, 2026
14	dotcon.io	Partial evidence	Kington, United KingdomHQ checked Sep 28, 2026	11-50	8 contacts →
	Partial evidence “Plug your business into Amazon Marketplace worry-free with Dotcon.” Source: RevenueBase Database · checked Sep 28, 2026
15	Channelunity	Indirect evidence	Manchester, United KingdomHQ checked Sep 28, 2026	11-50	8 contacts →
	Indirect evidence “ChannelUnity is the #1 multichannel integration platform for high growth online retailers.” Source: RevenueBase Database · checked Sep 28, 2026
16	Etail Systems Limited	Indirect evidence	Barrow In Furness, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “Etail Systems provide ecommerce sites designed to your exacting requirements which are supported by a sophisticated back office system giving you complete control over your…” Source: RevenueBase Database · checked Sep 28, 2026
17	Tide Ecommerce Orders And Stock Flowing Smoothly ALL Synchronised Automatically	Partial evidence	Bedford, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Partial evidence “TIDE extends the power of Unleashed + Lightspeed by connecting with e-commerce platforms so orders and stock move seamlessly through your operations.” Source: RevenueBase Database · checked Sep 28, 2026
18	Despatch Cloud	Indirect evidence	Yorkshire, United KingdomHQ checked Sep 28, 2026	51-200	6 contacts →
	Indirect evidence “Despatch Cloud empowers your business with eCommerce-centric warehousing, shipping, channel and order management.” Source: RevenueBase Database · checked Sep 28, 2026
19	Comgem B2B Ecommerce & ERP Platform	Indirect evidence	Bridgend, United KingdomHQ checked Sep 28, 2026	11-50	6 contacts →
	Indirect evidence “Grow your online sales with Comgem Tired of clunky B2B ecommerce platforms that slow you down?” Source: RevenueBase Database · checked Sep 28, 2026
20	Expandly	Indirect evidence	Southampton, United KingdomHQ checked Sep 28, 2026	11-50	6 contacts →
	Indirect evidence “The fast and cost-effective way to expand your ecommerce business globally and manage products online through multiple sales channels in different countries.” Source: RevenueBase Database · checked Sep 28, 2026
21	Tradebox	Partial evidence	North Shields, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Set up in 2003, Tradebox has created, developed and crafted a central, off the shelf, software that serves thousands of Online Retailers across the UK.” Source: RevenueBase Database · checked Sep 28, 2026
22	Spark Sales Online	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Spark Sales Online take time looking at tasks such as listings management and seek to develop systems that help automate our customers’ order processing, service selection, and…” Source: RevenueBase Database · checked Sep 28, 2026
23	Besyncly	Partial evidence	Glasgow, United KingdomHQ checked Sep 28, 2026	51-200	5 contacts →
	Partial evidence “From award-winning business systems software developer Eureka Solutions, Besyncly, is a cloud-based integration solution that improves data communication within your business.” Source: RevenueBase Database · checked Sep 28, 2026
24	Crazy Vendor	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “Tired of juggling multiple platforms, dealing with costly shipping, and managing inventory headaches?” Source: RevenueBase Database · checked Sep 28, 2026
25	Pakk Software	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “We're a passionate team that cares deeply about our customers' success.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: marketplace connector software providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names marketplace connector software providers.
Partial evidence: Its own public description names part of marketplace connector software providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name marketplace connector software providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 83 marketplace connector software providers based in the United Kingdom

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Marketplace connector software providers based in the United Kingdom at a glance

As of Sep 28, 2026

36.2%Verified-email coverage

10.1Average contacts per company

11-50Median size (employees)

28.9%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 83 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among marketplace connector software providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “marketplace connector software providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names marketplace connector software providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among marketplace connector software providers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 303 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names marketplace connector software providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many marketplace connector software providers are there based in the United Kingdom?

RevenueBase identified 83 marketplace connector software providers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Linnworks, headquartered in Chichester, tops this list with the largest team on record.

Which city has the most marketplace connector software providers?

London leads with 24 headquartered companies, followed by Manchester (6) and Chichester (3).

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 303 verified decision-maker contacts tracked across these 83 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.