Company lists · Data refreshed September 2026
Top 25 Tracker companies based in the United Kingdom
RevenueBase identified 115 tracker companies headquartered in the United Kingdom as of September 2026 and tracks 1,123 professional contacts across them, including 332 with verified work emails. London is the largest hub.
This list covers tracker companies 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 21, 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.
The 25 largest tracker companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 183 contacts → | ||||
Indirect evidence “Allied Universal® Electronic Monitoring is the industry leading technology and service company, offering law enforcement and government agencies the widest variety of cutting-edge…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 166 contacts → | ||||
Strong evidence “RAM Tracking helps trades and field service businesses Power Every Working Day through smart, reliable fleet management.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 89 contacts → | ||||
Strong evidence “TRACKER is the UK's number one supplier of vehicle tracking services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 32 contacts → | ||||
Strong evidence “Global Telemetrics is the billing and monitoring platform behind successful Award Winning Stolen Vehicle Tracking brands such as SmarTrack and Autowatch UK.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 23 contacts → | ||||
Strong evidence “Established in 2005, Crystal Ball is a unique web based solution that provides GPS vehicle, personnel and asset tracking on one reporting platform.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 19 contacts → | ||||
Strong evidence “Moving Intelligence are Leading Tracking Specialists with Over 20 Years of Telematic Experience.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 18 contacts → | ||||
Strong evidence “At Rewire Security we specialize in cutting edge innovative, cost-effective Fleet Tracking, GPS trackers, Body-worn Cameras & Vehicle DVR CCTV Systems.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Strong evidence “A leading global provider of asset tracking and fleet management solutions for land, sea and air.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 17 contacts → | ||||
Indirect evidence “Vismo is a trusted and value-focused partner to hundreds of employers, helping them locate and protect their workforce.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 16 contacts → | ||||
Strong evidence “Simplytrak are proud to offer complete solutions that enable you to track, monitor and protect your mobile assets and personnel.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Strong evidence “GPSWOX is a global GPS tracking market leader.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 15 contacts → | ||||
Indirect evidence “NAXERTECH LIMITED is an electrical/electronic manufacturing company based out of Castle Donington, Leicestershire, United Kingdom.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 14 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Strong evidence “Fleetsmart is a UK provider of fleet management, vehicle tracking and asset tracking solutions, helping businesses reduce fuel costs, improve productivity and gain real-time…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 13 contacts → | ||||
Strong evidence “Trackershop is the UK's leading supplier of GPS Trackers for both business and personal use over the last 10 years.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 13 contacts → | ||||
Indirect evidence “Movolytics’ advanced fleet technology empowers you to precisely pinpoint the location of each vehicle in your fleet.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Strong evidence “We specialise in intelligent asset tracking, recovery, and evidence management.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Strong evidence “We're experts in tracking solutions - having been supplying Live GPS Tracking devices to businesses and individuals for over 14 years.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Strong evidence “SafeTag Tracking delivers enterprise-grade telematics and security tracking at an entry-level price point, making it accessible for SMEs and consumers alike.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Strong evidence “Fleet Witness delivers connected cameras, location-based hardware and software for the transport industry, optimising vehicle tracking and video telematics.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence “Welcome to Redtail Telematics, the driving force behind vehicle intelligence, proud winner of the prestigious King’s Award for Enterprise: International Trade 2026.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Indirect evidence “Established in Giantt Telematics is a pioneering force in the telematics sector.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Strong evidence “TruTrak Ltd provides innovative business solutions for small to large fleets with GPS tracking and dash cam security.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Strong evidence “Fonix Telematics is an innovative global supplier of vehicle telematics, tracking and in-vehicle video monitoring solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Strong evidence “TrackaPhone provide services for protecting and managing people and assets in the field.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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: tracker companies. 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 tracker companies.
- Partial evidence
- Its own public description names part of tracker companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name tracker companies. 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 115 tracker companies based in the United Kingdom
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Tracker companies based in the United Kingdom at a glance
As of Sep 21, 2026Companies by employee count
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 115 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 tracker companies, 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 “tracker companies”. 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 tracker companies), 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 tracker companies, 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, 332 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 21, 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 tracker companies, 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 tracker companies are there based in the United Kingdom?
RevenueBase identified 115 tracker companies 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?
Allied Universal Electronic Monitoring, headquartered in Leicester, tops this list with the largest team on record.
Which city has the most tracker companies?
London leads with 13 headquartered companies, followed by Belfast (3) and Stockport (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 332 verified decision-maker contacts tracked across these 115 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 21, 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.