Company lists · Data refreshed September 2026
Top 25 Precision mechanical manufacturers based in the United Kingdom
RevenueBase identified 1,280 precision mechanical manufacturers headquartered in the United Kingdom as of September 2026 and tracks 11,786 professional contacts across them, including 3,593 with verified work emails. Coventry is the largest hub.
This list covers precision mechanical manufacturers 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 17, 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 precision mechanical manufacturers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 782 contacts → | ||||
Strong evidence “Doncasters is a leading international manufacturer of high-precision alloy components made for the most demanding conditions.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 2 | 394 contacts → | ||||
Indirect evidence “WHS Plastics successfully operates in a highly competitive global marketplace, partnering with major international companies in a variety of market segments including automotive…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 3 | 184 contacts → | ||||
Strong evidence “Accrofab are a class-leading manufacturer of precision fabricated and machined parts for the aerospace, defence and power generation industries.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 4 | 150 contacts → | ||||
Indirect evidence “Nasmyth is a cohesive group of engineering businesses that consistently provides high quality services and products.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 5 | 146 contacts → | ||||
Partial evidence “MTL advanced ltd is a well invested project manufacturing company partnered with WEC Group, specialising in the supply of components, ranging from precision cut parts to high…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 6 | 120 contacts → | ||||
Partial evidence “Progressive Technology Group is a subcontract company based in Berkshire, specialising in Multi Axis CNC Machining, Composite Component Manufacture, Patterns and Structural Foam…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 7 | 117 contacts → | ||||
Partial evidence “Reliance Precision is a specialist engineering company providing custom-built, high reliability, precision instrumentation and components to customers from a diverse range of…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 8 | 93 contacts → | ||||
Partial evidence “Advanex Europe Ltd is the European HQ of the Global Advanex Group specialising in precision engineering solutions.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 9 | 85 contacts → | ||||
Strong evidence “HQW Aerospace UK Ltd is a global leader in the manufacture of super precision ball bearings and assemblies, producing many of the world’s most sophisticated precision bearing…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 10 | 84 contacts → | ||||
Indirect evidence “Haas Automation is the largest machine tool builder in the western world, manufacturing a complete line of CNC vertical machining centres, horizontal machining centres, CNC lathes…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 11 | 79 contacts → | ||||
Strong evidence “Prior Scientific is the global leader in the design and manufacture of precision positioning devices, optical systems, automation solutions and components.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 12 | 79 contacts → | ||||
Indirect evidence “Walker Group is a forward-thinking, technology-led contract manufacturing company serving global markets.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 13 | 79 contacts → | ||||
Partial evidence “MNB Precision provides manufacturing and precision engineering services to world leading businesses across the oil and gas, power generation, aerospace, rail and other…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 14 | 71 contacts → | ||||
Partial evidence “Senior Aerospace Weston, located in Lancashire, England, is a leading supplier of a wide range of complex precision machined components, and sub- assemblies for original equipment…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 15 | 69 contacts → | ||||
Partial evidence “Ingenieur Ltd is a precision engineering company established for over 30 years and purchased by the CTN Group in 2021.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 16 | 66 contacts → | ||||
Indirect evidence “Created in Kingswinford West Midlands in 1947 the company originally specialised in small, complex parts utilising both multi-slide and low tonnage high speed presses – an…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 17 | 65 contacts → | ||||
Partial evidence “PRECISION It’s at the heart of everything we do Welcome to Precision Technologies Group – and British innovation at its finest.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 18 | 62 contacts → | ||||
Partial evidence “Castle Precision is an innovative company manufacturing critical precision components in small, medium and high volumes to exacting quality standards.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 19 | 59 contacts → | ||||
Indirect evidence “Hymec is one of the most progressive engineering companies within the UK manufacturing sector and beyond, consistently delivering a class-leading service in the aerospace…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 20 | 58 contacts → | ||||
Indirect evidence “Petford Group offers a range of services for many different industries with our 3 main key areas being: • Complex Toolmaking / In house tool design (CAD/ CAM) • Engineering…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 21 | 57 contacts → | ||||
Partial evidence “Ford Aerospace is an award-winning, global specialist in the high precision engineering and pressing of components for the aerospace, automotive, laminated products and other…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 22 | 54 contacts → | ||||
Partial evidence “Your precision engineering & manufacturing partner from concept through to finished product From start-ups and R&D consultants to large, global giants in the high-technology, life…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 23 | 53 contacts → | ||||
Indirect evidence “Established in 1866, today Somers Forge has a reputation around the World for Forging and Machining excellence.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 24 | 53 contacts → | ||||
Indirect evidence “Rotec specialises in complex 3, 4 and 5 Axis alongside the latest Slidinghead technology, with the capability to machine in a variety of exotic and conventional materials.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 25 | 50 contacts → | ||||
Indirect evidence “Jenks and Cattell Engineering has a wealth of manufacturing expertise; consistently producing high quality general presswork, welded assemblies, laser fabrications and 4-axis CNC…” Source: RevenueBase Database · checked Sep 17, 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: precision mechanical manufacturers. 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 precision mechanical manufacturers.
- Partial evidence
- Its own public description names part of precision mechanical manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name precision mechanical manufacturers. 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 1,280 precision mechanical manufacturers based in the United Kingdom
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Precision mechanical manufacturers based in the United Kingdom at a glance
As of Sep 17, 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 1,280 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 precision mechanical manufacturers, 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 “precision mechanical manufacturers”. 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 precision mechanical manufacturers), 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 precision mechanical manufacturers, 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, 3,593 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 17, 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.
Precision mechanical manufacturers by metro
- Precision mechanical manufacturers in Coventry27
- Precision mechanical manufacturers in Birmingham26
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 precision mechanical manufacturers, 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 precision mechanical manufacturers are there based in the United Kingdom?
RevenueBase identified 1,280 precision mechanical manufacturers 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?
Doncasters Group, headquartered in Leeds, tops this list with the largest team on record.
Which city has the most precision mechanical manufacturers?
Coventry leads with 27 headquartered companies, followed by Birmingham (26) and London (22).
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 3,593 verified decision-maker contacts tracked across these 1,280 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 17, 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.
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