Source: https://tendernation.io/suppliers/tsi-instruments Supplier profile # TSI Instruments Ltd Public sector contracts won, from published award notices SME[Companies House 04486008](https://find-and-update.company-information.service.gov.uk/company/04486008) [ Follow competitor](/login "Sign in to follow competitors")[ Compete for this work](/register) Contracts won 30 since 4 Dec 2008 Total awarded £2,016,797 where values were published Buyers 24 public bodies Latest win 16 Jul 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. - [Provision of Aerodynamic particle sizer (APS)](https://tendernation.io/opportunities/01a13be3-fb78-70cb-b462-334a3c6a1f7b/provision-of-aerodynamic-particle-sizer-aps)[Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency](https://tendernation.io/buyers/secretary-of-state-for-health-and-social-care-acting-as-part-of-the-crown-through-uk-health-security-agency) £66,590 Ends 7 Nov 2026 - [YAS 335 2025\_26 (DA Non FW) TSI Portacount Machine](https://tendernation.io/opportunities/01a13bd6-ac8a-70b3-92b6-baad0b713d0e/yas-335-2025-26-da-non-fw-tsi-portacount-machine)[Yorkshire Ambulance Service NHS Trust](https://tendernation.io/buyers/yorkshire-ambulance-service-nhs-trust) £8,185 Ends 24 Feb 2027 - [CSP26561 - Replacement of Soft X-ray Source Tube](https://tendernation.io/opportunities/01a13be4-a3f5-7030-b9c0-aca843bd5fce/csp26561-replacement-of-soft-x-ray-source-tube)[UK Research and Innovation](https://tendernation.io/buyers/uk-research-and-innovation) £12,050 Ends 31 Mar 2027 - [GB-Leeds: 2023-24/3304 - Supply of an Aerosol Generation and Characterisation System](https://tendernation.io/opportunities/01a13cec-a2dc-7234-94cb-133aff21bf2a/gb-leeds-2023-243304-supply-of-an-aerosol-generation-and-characterisation-sy)[University of Leeds](https://tendernation.io/buyers/university-of-leeds) £108,930 Ends 30 Apr 2027 ## Recent contract awards - [CSP26561 - Replacement of Soft X-ray Source Tube](https://tendernation.io/opportunities/01a13be4-a3f5-7030-b9c0-aca843bd5fce/csp26561-replacement-of-soft-x-ray-source-tube)[UK Research and Innovation](https://tendernation.io/buyers/uk-research-and-innovation) £12,050 16 Jul 2026 - [Provision of Aerodynamic particle sizer (APS)](https://tendernation.io/opportunities/01a13be3-fb78-70cb-b462-334a3c6a1f7b/provision-of-aerodynamic-particle-sizer-aps)[Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency](https://tendernation.io/buyers/secretary-of-state-for-health-and-social-care-acting-as-part-of-the-crown-through-uk-health-security-agency) £66,590 13 Jul 2026 - [YAS 335 2025\_26 (DA Non FW) TSI Portacount Machine](https://tendernation.io/opportunities/01a13bd6-ac8a-70b3-92b6-baad0b713d0e/yas-335-2025-26-da-non-fw-tsi-portacount-machine)[Yorkshire Ambulance Service NHS Trust](https://tendernation.io/buyers/yorkshire-ambulance-service-nhs-trust) £8,185 10 Mar 2026 - [YAS 335 2025\_26 (DA Non FW) TSI Portacount Machine](https://tendernation.io/opportunities/01a13bd6-ac8a-70b3-92b6-baad0b713d0e/yas-335-2025-26-da-non-fw-tsi-portacount-machine)[Yorkshire Ambulance Service NHS Trust](https://tendernation.io/buyers/yorkshire-ambulance-service-nhs-trust) £8,185 25 Feb 2026 - [CSP25455 - Servicing for two x-ray neutralisers](https://tendernation.io/opportunities/01a13bc5-92f3-737d-a860-f4284b212d84/csp25455-servicing-for-two-x-ray-neutralisers)[UK Research and Innovation](https://tendernation.io/buyers/uk-research-and-innovation) £11,470 9 Oct 2025 - [Vacuum pump](https://tendernation.io/opportunities/01a13bbd-9cdc-70f9-a0c6-33fcb1695f62/vacuum-pump)[NPL Management Limited](https://tendernation.io/buyers/npl-management-limited) £102,455 24 Feb 2025 - [HSE RFQ - TSI Aerodynamic Particle Sizer](https://tendernation.io/opportunities/01a13cfd-4ca8-71d0-8cfd-97f716fb720b/hse-rfq-tsi-aerodynamic-particle-sizer)[Health & Safety Executive](https://tendernation.io/buyers/health-safety-executive) £52,275 13 Feb 2025 - [GB-Leeds: 2023-24/3304 - Supply of an Aerosol Generation and Characterisation System](https://tendernation.io/opportunities/01a13cec-a2dc-7234-94cb-133aff21bf2a/gb-leeds-2023-243304-supply-of-an-aerosol-generation-and-characterisation-sy)[University of Leeds](https://tendernation.io/buyers/university-of-leeds) £108,930 15 Feb 2024 - [CAN: Procurement of Condensation Particle Counter (CPC) device](https://tendernation.io/opportunities/01a13cbb-1893-722f-850c-e33e24c38cde/can-procurement-of-condensation-particle-counter-cpc-device)[National Physical Laboratory](https://tendernation.io/buyers/national-physical-laboratory) £37,820 5 Dec 2023 - [Provision of a Scanning Mobility Particle Sizer](https://tendernation.io/opportunities/01a13cb6-0dc6-73ce-bec0-e67b681e49fe/provision-of-a-scanning-mobility-particle-sizer)[UK Health Security Agency](https://tendernation.io/buyers/uk-health-security-agency) £111,988 28 Nov 2023 - [Provision of Advanced Aerosol Neutralizer (Soft Xray)](https://tendernation.io/opportunities/01a13cc9-ad29-71b3-b24c-13a04ef789cf/provision-of-advanced-aerosol-neutralizer-soft-xray)[UK Health Security Agency](https://tendernation.io/buyers/uk-health-security-agency) £34,545 19 Oct 2023 - [Contract for the supply of TSI Classifier model 3082 to the University of Birmingham](https://tendernation.io/opportunities/01a13cc1-ffde-71a5-a1f4-6cc666ac1041/contract-for-the-supply-of-tsi-classifier-model-3082-to-the-university-of-birmin)[The University of Birmingham](https://tendernation.io/buyers/the-university-of-birmingham) £71,982 28 Mar 2023 - [Particle Sizer Procurement](https://tendernation.io/opportunities/01a13cbe-7efa-7067-91b5-de0f03b16f1e/particle-sizer-procurement)[Defence Science and Technology Laboratory](https://tendernation.io/buyers/defence-science-and-technology-laboratory) £129,910 25 Jan 2023 - [UKRI- RE22071 - Aerosol Neutraliser Competitive quotation](https://tendernation.io/opportunities/01a13ca9-ac63-71b6-84d6-5f2e3903df2e/ukri-re22071-aerosol-neutraliser-competitive-quotation)[UK Shared Business Services Limited](https://tendernation.io/buyers/uk-shared-business-services-limited) £10,615 10 Feb 2022 - [Purchase of SMPS (Scanning Mobility Particle Sizer)](https://tendernation.io/opportunities/01a13c84-3955-71c8-88ae-44b39858b2b9/purchase-of-smps-scanning-mobility-particle-sizer)[Defra Network eTendering Portal](https://tendernation.io/buyers/defra-network-etendering-portal) £268,390 10 Nov 2021 ## Companies House StatusActive Incorporated15 Jul 2002 (24 yrs) AccountsGroup 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/04486008)## Who they win from - [The University of Birmingham2 wins](https://tendernation.io/buyers/the-university-of-birmingham) - [UK Health Security Agency2 wins](https://tendernation.io/buyers/uk-health-security-agency) - [Newcastle University2 wins](https://tendernation.io/buyers/newcastle-university) - [UK Shared Business Services Limited2 wins](https://tendernation.io/buyers/uk-shared-business-services-limited) - [Health & Safety Executive2 wins](https://tendernation.io/buyers/health-safety-executive) - [UK Research and Innovation2 wins](https://tendernation.io/buyers/uk-research-and-innovation) - [Uiversity of Bath1 win](https://tendernation.io/buyers/uiversity-of-bath) - [Defra Network eTendering Portal1 win](https://tendernation.io/buyers/defra-network-etendering-portal) ## Bids named on award notices Bid for 6 contracts: won 6, lost 0. Award notices have listed every bidder only since the Procurement Act (February 2025). ## Paid by (last 12 months) - [West Sussex County Council](https://tendernation.io/buyers/west-sussex-county-council)£10,917 - [The Shrewsbury and Telford Hospital NHS Trust](https://tendernation.io/buyers/the-shrewsbury-and-telford-hospital-nhs-trust)£3,558 - [Shropshire Fire and Rescue Service](https://tendernation.io/buyers/shropshire-fire-and-rescue-service)£1,584 - [Reading Borough Council](https://tendernation.io/buyers/reading-borough-council)£1,340 From councils' published spending over £500. ## What they win - [Laboratory & precision equipment](https://tendernation.io/sectors/laboratory-precision-equipment)17 - [Medical equipment & pharmaceuticals](https://tendernation.io/sectors/medical-equipment-pharmaceuticals)3 - [Sewage, refuse, cleaning & environmental](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental)1 - [Architecture, engineering & surveying](https://tendernation.io/sectors/architecture-engineering-surveying)1 - [Repair & maintenance services](https://tendernation.io/sectors/repair-maintenance)1 - [Real estate services](https://tendernation.io/sectors/real-estate-services)1 Competing with TSI Instruments Ltd? TenderNation shows who wins each buyer's work, flags contracts coming up for renewal and emails you new tenders that fit. Free plan available. [All buyers](/buyers)[Start free ](/register) 14-day free trial, no card required