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* Accredited Calibration Laboratories UKAS
* * *
Help & Feedback
Single Instrument Search
Multiple Instrument Search
Laboratory Search
Type of Laboratory
Important Statement

Introduction Top

This website is provided free of charge to enable you to find one or more suitable laboratories to carry out calibration work to your requirements.

Feedback Top

UKAS welcomes feedback on all its websites. Click here to send your feedback.

Searches Top

There are three search options on this website, each producing a list of laboratories that match the search criteria you have selected. The name of the laboratory is a link to more information about the laboratory and the opportunity to view the laboratory's schedule.

Schedules are in pdf format; you must have Adobe Acrobat Reader (available from Adobe as a free download) installed on your PC in order to view schedules. Use the link on each Summary page to download Adobe Acrobat Reader from the Adobe website. Please note that you can use the Find facility in Acrobat Reader (click on the binoculars icon) to search a pdf file for a test, product or Standard.

Data entry is not case sensitive. Keep data as short as possible - all searches work on a minimum of three characters. The initial search output will yield a number of items, from which you can choose the one you want.

If you input your postcode (see Postcode section) as part of the search criteria, the list of laboratories output from a search with be in distance from you; otherwise the list will be in random alphabetical order.

Use the links in the blue banner at the top of the page to move to a different search option.

Single Instrument Search Top

Type in the parameter or instrument wanted (using a minimum of three characters) - eg, vol (voltage, voltmeter). This search works by matching the data entered with a list of instruments and parameters (some items in the have nicknames, which are not visible on the website, but which feature in the Single Test Search) For example, typing in dvm outputs Multimeters, digital.

There is an optional postcode facility with this search (see section on Postcodes), and you can choose whether the calibration is done at the laboratory's premises or not (see section on Type of Laboratory).

The Search will produce a list of instruments & parameters that match the data you entered. Choose the one you want by clicking on the name to get a list of laboratories matching your requirements.

Multiple Instrument Search Top

UKAS has accredited calibration laboratories for a large range of instruments/parameters, which for convenience are classified into the fields of calibration listed on this search page. Click on the field name to reveal a listing of instruments/parameters in that field. Clicking any instrument/parameter will include it in your search criteria; clicking again will de-select the item.

This search has Laboratory Type facilities.

Laboratory Search Top

Use this option if you want to check whether a laboratory is currently accredited by UKAS and to view its schedule of accreditation.

Laboratory name
You need not type in the full name - success rates are higher when short data strings are entered.

Laboratory number
Must be four digits (eg, 0010, not 10).

Laboratory address
Type in any part of the laboratory's address. For example, typing in new will list all laboratories with new in any part of their address (Newby House or Bury New Road or Newcastle).

Postcodes Top

The Single Instrument Search and the Multiple Instrument Search have an optional postcode facility. You only have to type in your full postcode to make use of this facility. The list of laboratories meeting your requirements will be in linear distance from the postcode you type in (if you do not use the postcode facility, laboratories will be listed in random alphabetical order).

This facility applies to UK addresses only.

Type of Laboratory Top

You can limit your search to those laboratories accredited for performing calibrations at their permanent premises or to those accredited for performing calibrations away from their permanent premises. The default setting outputs a list containing both categories of laboratory.

Important Statement Top

This site provides a searchable database of schedules of UKAS accredited calibration laboratories, created from the master copy of each schedule. Every laboratory has a copy of its master schedule.

You are advised to contact the laboratory of your choice for confirmation of the current state of the laboratory's accreditation.

In the event of discrepancy between a laboratory's schedule of accreditation and the information contained on this site, the master copy of the laboratory's schedule shall be paramount. Every effort has been taken to ensure the accuracy of information provided on this site, and UKAS welcomes comments on any inaccuracies found (email