T123 - Provision of External Proficiency Testing Schemes

NI Water and its subsidiaries
Northern Ireland
Open procedure
1 January 2026 to 31 December 2027

The contract covers the design, coordination, and delivery of proficiency testing schemes across nine lots, focusing on microbiology and chemical analysis for potable, surface, ground, and waste water. Services include interlaboratory comparisons, statistical analysis, and reporting for specific UKAS-accredited laboratory schedules, with requirements for onboarding new laboratory methodologies as needed.

Open the official notice

Awarded value: £6k; As published
Published: 31 October 2025
Awarded: 31 December 2025; LGC (Teddington) Limited
Contract length: 24 months; Ends 31 December 2027

What the contract covers

External proficiency testing scheme services contract

Provision of external proficiency testing schemes, interlaboratory comparisons, and statistical analysis for water quality and microbiology laboratory testing services.

External Proficiency Testing Scheme services across specific testing disciplines in the UKAS schedules of accreditation
Onboarding of new laboratory methodologies
Design, coordination and delivery of interlaboratory comparisons
Detailed statistical analysis and reporting on the outcomes
Drinking/potable and recreational/surface water microbiology testing
Recreational and surface water microbiology testing
Surface waste/bathing water microbiological testing
Proficiency testing for Cryptosporidium in potable, surface, ground, and raw water at Gelvin Grange Laboratory

Lot	Estimated value	SMEs
Lot 1	Not stated	Not stated
Lot 2	Not stated	Not stated
Lot 3	Not stated	Not stated
Lot 4	Not stated	Not stated
Lot 5	Not stated	Not stated
Lot 6	Not stated	Not stated
Lot 7	Not stated	Not stated
Lot 8	Not stated	Not stated
Lot 9	Not stated	Not stated

Terms and requirements

Contract type: External proficiency testing scheme services contract
Procedure: Open procedure
Initial term: 24 months
Extensions: 12 months + 12 months + 12 months
Longest it can run: 60 months
Contract dates: 1 January 2026 to 31 December 2027
Certifications asked for: None stated
Lots: 9
Suitable for SMEs: Yes
Category: Services
CPV codes: 71900000

Services in this contract

Laboratory external quality assessment and proficiency testing schemesMain service£32k typicalExternal proficiency testing schemes for water laboratories

Lifecycle

Published
31 October 2025
Contract awardedto LGC (Teddington) Limited
31 December 2025
Contract starts
1 January 2026
Contract ends
31 December 2027

The buyer

NI Water and its subsidiaries

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The supplier

LGC (Teddington) Limited

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Cite this contract

Link: https://bidskim.com/tender/332432/t123-provision-of-external-proficiency-testing-schemes
Buyer reference: T123
Open contracting ID: ocds-h6vhtk-05d884
Last checked: 5 November 2026

NI Water and its subsidiaries. T123 - Provision of External Proficiency Testing Schemes. Contract award, 31 October 2025. BidSkim, https://bidskim.com/tender/332432/t123-provision-of-external-proficiency-testing-schemes (accessed 5 November 2026).