Company lists · Data refreshed October 2026

Top 23 Oxygen meter calibration services based in the United Kingdom

Name: Oxygen meter calibration services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 45 companies tracked

RevenueBase identified 45 company matches for oxygen meter calibration services associated with the United Kingdom as of October 2026 and tracks 324 professional contacts across them, including 136 with verified work emails. Bristol is the largest hub.

This list covers company matches for oxygen meter calibration services associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Oct 28, 2026 How this list was built

45Companies

324Contacts tracked

136Verified emails

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The 23 largest oxygen meter calibration services based in the United Kingdom

Ranked by team size

Top 23 of 45 company matches for oxygen meter calibration services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Effectech	Exact match	Uttoxeter, United KingdomHQ recorded Oct 28, 2026	11-50	36 contacts →
	Exact match “EffecTech is a global leading provider of accredited calibration and testing services to the oil, gas and power industries.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Isotech	Exact match	Southport, United KingdomHQ recorded Oct 28, 2026	51-200	36 contacts →
	Exact match “Temperature Calibration Equipment & Services Isotech is a world leader in temperature calibration with over 45 years' experience in the design, manufacture and use of temperature…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Avon-Dynamic Calibration LTD	Exact match	Bristol, United KingdomHQ recorded Oct 28, 2026	51-200	32 contacts →
	Exact match “As a part of the NMi Group, Avon-Dynamic stands as a leading UK calibration and dimensional measurement specialist since 1985.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	Calibrationhouse	Exact match	Durham, United KingdomHQ recorded Oct 28, 2026	11-50	17 contacts →
	Exact match “Calibrationhouse have been providing calibration services to a wide variety of industries for over 40 years.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	Lambda Calibration LTD	Exact match	Chorley, United KingdomHQ recorded Oct 28, 2026	11-50	16 contacts →
	Exact match “Based in Chorley, Lancashire we are a UKAS accredited calibration laboratory providing gauge, meter and instrument calibration services to businesses large and small throughout…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Henderson Biomedical	Exact match	Croydon, United KingdomHQ recorded Oct 28, 2026	11-50	12 contacts →
	Exact match “Henderson Biomedical is a UK-based company specialising in the service, repair, calibration and sale of laboratory equipment, including centrifuges, heat sealers, refrigerators…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Alpha Calibration Services LTD	Exact match	Wells, United KingdomHQ recorded Oct 28, 2026	1-10	12 contacts →
	Exact match “Alpha Calibration Services Was formed in 2006 to provide a dedicated "On site" calibration service with unparalleled customer satisfaction.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8	Chamois Metrology LTD	Exact match	Southam, United KingdomHQ recorded Oct 28, 2026	11-50	11 contacts →
	Exact match “NMi Performance, delivered through Chamois Metrology, helps you maintain confidence in your measurements through UKAS-accredited pressure, electrical, and temperature calibration…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Absolute Calibration	Exact match	Fareham, United KingdomHQ recorded Oct 28, 2026	11-50	11 contacts →
	Exact match “Absolute Calibration is one of the UK's leading independent metrology companies offering you a complete solution for the calibration of your test and measurement instrumentation.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Mech Metrology & Power Tools LTD	Exact match	Fareham, United KingdomHQ recorded Oct 28, 2026	1-10	10 contacts →
	Exact match “Mech Metrology was established over 20 years ago to satisfy the increasing needs in the manufacturing and engineering industries.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	P&a Medical Limited	Exact match	Chorley, United KingdomHQ recorded Oct 28, 2026	11-50	8 contacts →
	Exact match “Our story began in November 1987 with a germ of an idea to offer a calibration service of occupational health screening equipment.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	S.M. Gauge Company Limited	Exact match	Bristol, United KingdomHQ recorded Oct 28, 2026	11-50	8 contacts →
	Exact match “Experts in measurement instrumentation and pressure, temperature and electrical gauges.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	Transmille LTD	Exact match	Staplehurst, United KingdomHQ recorded Oct 28, 2026	11-50	7 contacts →
	Exact match “Transmille is a manufacturer of electrical calibration equipment and calibration software for calibration laboratories.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Thorcal	Exact match	Kingston Upon Hull, United KingdomHQ recorded Oct 28, 2026	11-50	6 contacts →
	Exact match “Fast, Accredited Calibration.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	Delta Calibration LTD	Exact match	Paisley, United KingdomHQ recorded Oct 28, 2026	11-50	5 contacts →
	Exact match “At Delta Calibration Ltd, the bedrock of our operations is our unwavering commitment to delivering quality service.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	Pendragon Scientific LTD	Exact match	Buckinghamshire, United KingdomHQ recorded Oct 28, 2026	1-10	4 contacts →
	Exact match “Pendragon Scientific is a fully independent Laboratory Equipment Servicing company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	Haven Automation LTD	Exact match	Swansea, United KingdomHQ recorded Oct 28, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Direct Calibration Solutions	Exact match	Crawley, United KingdomHQ recorded Oct 28, 2026	1-10	3 contacts →
	Exact match “Direct Calibration Solutions is a limited company located in the South East of England which runs an independent laboratory with over 10 years experience in calibration.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Labcal Calibration	Exact match	Lymington, United KingdomHQ recorded Oct 28, 2026	1-10	3 contacts →
	Exact match “Labcal Ltd offers calibration in a wide range of parameters which are accredited to UKAS standards and to ISO 17025 that covers the general requirements for competence of…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	JBA Calibration Services LTD	Exact match	Hull, United KingdomHQ recorded Oct 28, 2026	1-10	2 contacts →
	Exact match “At JBA Calibration we provide ourselves on keeping your test equipment calibrated to the highest possible standard, providing fast turnarounds, going the extra mile for our…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Caltech Service Company Limited	Exact match	Birmingham, United KingdomHQ recorded Oct 28, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Gauges North West LTD	Exact match	Southport, United KingdomHQ recorded Oct 28, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	ASH Life Sciences LTD	Exact match	Weston Super Mare, United KingdomHQ recorded Oct 28, 2026	1-10	1 contacts →
	Exact match “The engineers and consultants at Ash Life Sciences have over 25 years experience in the analytical process industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “oxygen meter calibration services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 23 of 45 oxygen meter calibration services based in the United Kingdom

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Oxygen meter calibration services based in the United Kingdom at a glance

As of Oct 28, 2026

42.0%Verified-email coverage

7.2Average contacts per company

11-50Median size (employees)

4.4%Largest-city concentration · Bristol

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 45 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United Kingdom whose business descriptions match “oxygen meter calibration services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 136 professional contacts with verified work emails across the full matched dataset. 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 October 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “oxygen meter calibration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oxygen meter calibration services are there based in the United Kingdom?

RevenueBase identified 45 company matches for oxygen meter calibration services associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Effectech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oxygen meter calibration services?

Bristol leads with 2 company records, followed by Chorley (2) and Fareham (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 136 professional contacts with verified work emails tracked across these 45 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 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 SmartSearch, 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.