United Kingdom · Contracts Finder award notices · Supplier record

TSI

Line: Air pollution monitoring or measurement services (CPV 90731400)Register loaded to August 2026Compiled 12 October 2026

TSI — United Kingdom · Contracts Finder award notices · Supplier record: 1 award notices, all years (October 2024); 1 since January 2024 (1 buyer); 2nd rank in the line (of 11 suppliers · 7.7%); 7 buyers never served (11 notices in the line from them).

Assay record ASY-UK-1V6E9FQ1TY · Cite as: Assay Systems, “TSI in the Contracts Finder register”, https://assay-systems.com/register/uk/tsi/

1
award notices, all years
October 2024
1
since January 2024
1 buyer
2nd
rank in the line
of 11 suppliers · 7.7%
7
buyers never served
11 notices in the line from them

Own record by year

award notices, 2022 onward
1
20222023202420252026

Who buys from TSI

since January 2024
1buyers
1notices
100%top buyer
Environment Agency100.0%
1 notice

The line

since January 2024
13award notices
8buyers
11suppliers
92.3%held by top ten

Air pollution monitoring or measurement services (CPV 90731400)

11
2
0
202420252026Jan–Aug
2ndof 11 suppliers
1notices name TSI
7.7%share of the line
50.0%of 2 notices from Environment Agency
4new suppliers since 2024

Buyers that buy the line and never named TSI

since January 2022
7buyers
11notices since 2024
2buyers took a new supplier
2suppliers came in that way
Department for Environment, Food & Rural Affairs
4 notices
UK Health Security Agency
2 notices
Bath and North East Somerset Council
1 notice
Defence Science and Technology Laboratory
1 notice
DEFRA
1 notice
London Borough of Hackney
1 notice
Natural England
1 notice

Suppliers next to it in the line

since January 2024
Endress+Hauser Limited1 buyer
1 notice
GRADKO INTERNATIONAL LTD1 buyer
1 notice
Bureau Veritas UK Limited1 buyer
1 notice
TSI
1 notice

All 11 suppliers in the line

The extract

Every buyer, every supplier, award date, notice number and value where one is disclosed, behind the figures above.

Request extractSee a sample extract

Source: contract award notices published in Contracts Finder, UK Government, contractsfinder.service.gov.uk, from January 2022 to 31 August 2026, accessed 26 September 2026; contains public sector information licensed under the Open Government Licence v3.0, © Crown copyright.Assay Systems has changed the data.