Source: https://tendernation.io/suppliers/gradko-international

Supplier profile

# Gradko International Ltd

Public sector contracts won, from published award notices

SME[Companies House 01148546](https://find-and-update.company-information.service.gov.uk/company/01148546)

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Contracts won

9

since 10 Jun 2016

Total awarded

£385,797

where values were published

Buyers

7

public bodies

Latest win

29 Jun 2026

##  Contracts ending soon

Contracts ending in the next 18 months. Buyers usually re-tender before the end date, so these are openings for competitors.

- [Annual Contract to Supply and Analyse Nitrogen Dioxide (NO2), Benzene Toluene Ethylbenzene Xylene (BTEX) and 1,3 Butadiene Diffusion Tube](https://www.falkirk.gov.uk/procurement/contracts-register)From the council contract register

    [Falkirk Council](https://tendernation.io/buyers/falkirk-council)

    £11,589

    Ends 31 Dec 2026

##  Recent contract awards

- [2627-0033 Monthly supply and analysis of NO2 diffusion tubes](https://tendernation.io/opportunities/01a13be3-01d0-7102-87f9-e79b1f2b8839/2627-0033-monthly-supply-and-analysis-of-no2-diffusion-tubes)[London Borough of Islington](https://tendernation.io/buyers/london-borough-of-islington)

    £50,348

    29 Jun 2026
- [Annual Contract to Supply and Analyse Nitrogen Dioxide (NO2), Benzene Toluene Ethylbenzene Xylene (BTEX) and 1,3 Butadiene Diffusion Tube](https://www.falkirk.gov.uk/procurement/contracts-register)From the council contract register

    [Falkirk Council](https://tendernation.io/buyers/falkirk-council)

    £11,589

    1 Jan 2026
- [Framework Agreement for the provision of Passive Diffusion Tubes and Analysis Services](https://tendernation.io/opportunities/01a13cf3-8d43-7063-83d5-ac8436cc5ac9/framework-agreement-for-the-provision-of-passive-diffusion-tubes-and-analysis-se)[Staffordshire County Council](https://tendernation.io/buyers/staffordshire-county-council)

    £160,000

    5 Nov 2024
- [Nitrogen dioxide diffusion tubes](https://tendernation.io/opportunities/01a13cd8-1b30-7096-992a-93a38a32a59e/nitrogen-dioxide-diffusion-tubes)[Bath and North East Somerset Council](https://tendernation.io/buyers/bath-and-north-east-somerset-council)

    £50,040

    26 Feb 2024
- [Diffusion tube supply and analysis Contract](https://tendernation.io/opportunities/01a13ca0-9022-72e0-9af5-33fd618158fc/diffusion-tube-supply-and-analysis-contract)[City of Bradford Metropolitan District Council](https://tendernation.io/buyers/city-of-bradford-metropolitan-district-council)

    £55,332

    14 Sept 2022
- [Provision and Analysis of Air Quality Nitrogen Dioxide Diffusion Tubes - AWARD](https://tendernation.io/opportunities/01a13c7b-53d4-708b-bf85-4b7f206ab7cf/provision-and-analysis-of-air-quality-nitrogen-dioxide-diffusion-tubes-award)[Sandwell Metropolitan Borough Council](https://tendernation.io/buyers/sandwell-metropolitan-borough-council)

    £28,488

    4 Oct 2021
- [Supply and Analysis of Nitrogen Dioxide Diffusion Tubes](https://tendernation.io/opportunities/01a13c5b-3264-7308-bcfa-1f6dd5331836/supply-and-analysis-of-nitrogen-dioxide-diffusion-tubes)[Bradford Metropolitan District Council](https://tendernation.io/buyers/bradford-metropolitan-district-council)

    £30,000

    30 Mar 2020
- [Supply and Analysis of Air Quality Diffusion Tubes - AWARD](https://tendernation.io/opportunities/01a13c18-a533-7369-9d0a-c776935921c6/supply-and-analysis-of-air-quality-diffusion-tubes-award)[Sandwell Metropolitan Borough Council](https://tendernation.io/buyers/sandwell-metropolitan-borough-council)

    Value not published

    5 Jul 2017
- [Diffusion Tube Contract Specification - AWARD](https://tendernation.io/opportunities/01a13c02-35ce-722e-b12c-60ae3f28d524/diffusion-tube-contract-specification-award)[Sandwell Metropolitan Borough Council](https://tendernation.io/buyers/sandwell-metropolitan-borough-council)

    Value not published

    10 Jun 2016

## Companies House

StatusActive

Incorporated30 Nov 1973 (52 yrs)

AccountsTotal exemption full

IndustryManufacture of electronic measuring, testing etc. equipment, not for industrial process control

[View filing history](https://find-and-update.company-information.service.gov.uk/company/01148546)## Who they win from

- [Sandwell Metropolitan Borough Council3 wins](https://tendernation.io/buyers/sandwell-metropolitan-borough-council)
- [Staffordshire County Council1 win](https://tendernation.io/buyers/staffordshire-county-council)
- [City of Bradford Metropolitan District Council1 win](https://tendernation.io/buyers/city-of-bradford-metropolitan-district-council)
- [London Borough of Islington1 win](https://tendernation.io/buyers/london-borough-of-islington)
- [Bath and North East Somerset Council1 win](https://tendernation.io/buyers/bath-and-north-east-somerset-council)
- [Bradford Metropolitan District Council1 win](https://tendernation.io/buyers/bradford-metropolitan-district-council)
- [Falkirk Council1 win](https://tendernation.io/buyers/falkirk-council)

## Paid by (last 12 months)

- [London Borough of Merton](https://tendernation.io/buyers/london-borough-of-merton)£13,552
- [Bromsgrove District Council](https://tendernation.io/buyers/bromsgrove-district-council)£8,368
- [London Borough of Hillingdon](https://tendernation.io/buyers/london-borough-of-hillingdon)£7,841
- [London Borough of Lewisham](https://tendernation.io/buyers/london-borough-of-lewisham)£7,570
- [Bath and North East Somerset Council](https://tendernation.io/buyers/bath-and-north-east-somerset-council)£7,415
- [London Borough of Lambeth](https://tendernation.io/buyers/london-borough-of-lambeth)£7,254
- [Sandwell Metropolitan Borough Council](https://tendernation.io/buyers/sandwell-metropolitan-borough-council)£3,309
- [Pendle Borough Council](https://tendernation.io/buyers/pendle-borough-council)£3,118

From councils' published spending over £500.

## What they win

- [Sewage, refuse, cleaning &amp; environmental](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental)4
- [Architecture, engineering &amp; surveying](https://tendernation.io/sectors/architecture-engineering-surveying)1
- [Research &amp; development](https://tendernation.io/sectors/research-development)1
- [Chemical products](https://tendernation.io/sectors/chemical-products)1

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