Source: https://tendernation.io/opportunities/01a13bbf-4ce5-71bb-862b-7c2ab7f24b3d/specialist-conversion-of-adr-vehicles closed GB open procedure Suitable for SMEs # Specialist conversion of ADR vehicles [Health and Safety Executive](https://tendernation.io/buyers/health-and-safety-executive) Estimated value £21,670 Published 17 Jul 2025 Deadline Closed 19 Aug 2025 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Below-threshold contract Buyers cannot shortlist bidders on suitability before tenders are in, so everyone gets to submit a bid (except some larger works contracts). [Procurement Act 2023, section 85](https://www.legislation.gov.uk/ukpga/2023/54/section/85) - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The Science Division (SD) based at HSE's Science and Research Centre (HSE-SRC) invites competitive quotations for the supply of specialist conversions for two of their assets located at Harpur Hill, Buxton SK17 9JN. As part of our operational requirements, HSE-SD is seeking the services of a specialist vehicle conversion company to carry out the upgrade and modification of two currently factory-fitted vehicles for compliance with our operation in the explosives transportation sector. These vehicles are critical to our operations and must be fully compliant with the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) when converted to meet EX/III certification. This conversion is essential to ensure the safe and legal transportation of explosive materials, in accordance with the latest ADR standards and national regulatory requirements. The required conversions must meet all technical and safety requirements specific to EX/III classification, including fire compliant bodywork, electrical system modifications, and appropriate safety installations. The successful contractor must demonstrate proven expertise in EX/III vehicle conversions and have a thorough understanding of the relevant technical, safety, and compliance standards. ## CPV classification Motor vehicles Motor vehicle conversion services Source Find a Tender (UK) · Notice ocds-h6vhtk-0560b7-2025-07-17T08:14:46+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0560b7-2025-07-17T08:14:46+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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