MCERTS Inspection Services · UK public procurement notice

• How the procedure runs: Stage 1: Invitation to participate Stage 1 commenced with the issuing of a Tender Notice. Stage 2: Invitation to submit initial tenders Stage 2 commenced with the notification, inviting those suppliers which have successfully been shortlisted at Stage 1 of this Procurement to submit initial tenders and the publication of this document. This document includes a request for initial tenders which all suppliers are required to complete and must be submitted in accordance with the Procurement Timetable and instructions set out in this document and any additional information provided. Following the deadline for submission of initial tenders, NWL will assess initial tenders in accordance with the assessment process and award criteria set out in the Tender Notice and described in this document. The assessment process will identify which suppliers are to be selected to participate in the negotiation/dialogue stage as set out in Stage 3. Once the assessment of initial tenders has concluded, suppliers will be notified in writing whether they have successfully been invited to Stage 3. Any suppliers not invited to participate in Stage 3 will be provided with reasons in writing to explain why they have not been successful. Stage 3: Invitation to participate in dialogue [and/or negotiate] Stage 3 will commence with the notification inviting suppliers that have successfully passed Stage 2 to attend one or more dialogue and/or negotiation meetings. The notification will also provide details of any new information made available to suppliers at this stage in this Procurement. The notification will also describe how the dialogue and/or negotiations will be conducted, including the location and dates for the relevant meetings, as well as the attendee arrangements. Stage 4: Invitation to submit a Best and Final Offer (BAFO) Stage 4 will commence with the issuing of a letter inviting suppliers that have been successfully shortlisted at Stage 3 to submit their Best and Final Offers. Best and Final offers must be submitted in accordance with the Procurement Timetable and instructions set out in this document and any additional information provided. After the deadline for submission of best and final offers, NWL will reconsider, in respect of each supplier that submitted, whether the supplier or any related persons within its corporate group, associated suppliers relied on to meet the conditions of participation, or proposed sub-contractors, are excluded or excludable suppliers and will consider whether to disregard the best and final offer submitted in accordance with its obligations under the Act. If the supplier is an excluded or excludable supplier only by virtue of an associated supplier or proposed sub-contractor, NWL will notify the supplier of its intention to disregard its tender and provide the supplier with a reasonable opportunity to replace the associated supplier or sub-contractor. If as a consequence of this process NWL disregards a tender from an excluded or excludable supplier or is aware of an associated supplier or sub contractor having been replaced, it will give notice of this fact within 30 days of its decision to the Procurement Review Unit (PRU) NWL will conduct an assessment of all Best and Final Offers in order to identify the supplier which has submitted the most advantageous tender in accordance with the assessment methodology and award criteria set out in the Tender Notice and described in this document. In carrying out this assessment. NWL will disregard any final tender from a supplier who does not satisfy the Conditions of Participation. Once the assessment has concluded, NWL will provide an assessment summary to all suppliers that submitted a Best and Final offer to: a. inform them whether they have been successful in being awarded the contract b. provide an explanation of the assessment of the supplier's tender against the relevant award criteria, in accordance with the requirements of the Act c. where different to the supplier concerned, provide information in respect of the most advantageous tender submitted, including details of the assessment of this tender against the relevant award criteria and the supplier's name Once the assessment summaries have been provided to the suppliers that submitted Best and Final offers, NWL will also publish a contract award notice on the Central Digital Platform to commence the mandatory standstill period. Subject to completion of the mandatory standstill period, Stage 4 will end with NWL entering into preferred supplier stage with the preferred supplier. Stage 5: Preferred supplier stage The highest scoring supplier will be invited to engage in further discussions with NWL as part of a preferred supplier stage. This stage will be used to finalise the draft contract terms and conditions, in accordance with the limitations set out in the Act. Stage 5 will end with NWL entering into the contract with the preferred supplier

CPV: Calibration services · Flowmeters

Procedure method

Competitive flexible procedure

Legal basis

UKPGA · 2023/54 Procurement Act 2023

Procurement category

Services

Notice status

Awarded

Procurement threshold

Above threshold (FTS publication)

Regulatory regime

Utilities

Commercial structure

Stand-alone contract (no framework)

Competition type

Competitive procedure

GPA / WTO covered

Unspecified in notice

Recurring procurement

Unspecified in notice

First published

27 Nov 2025, 14:13 GMT

Last source update

19 Mar 2026, 11:57 GMT

Award evaluation window

Submission end – 1 Feb 2026

Authority reference

NW3046

FTS notice number

2025/S 000-077713

Latest notice

Contract award notice (UK6)

Classification (CPV)

Calibration servicesFlowmeters

Delivery area

North East (UKC)East of England (UKH3)

Official registry OCID

ocds-h6vhtk-05ea38 Find a Tender

How it runs

Stage 1: Invitation to participate

Stage 1 commenced with the issuing of a Tender Notice.

Stage 2: Invitation to submit initial tenders

Stage 2 commenced with the notification, inviting those suppliers which have successfully been shortlisted at Stage 1 of this Procurement to submit initial tenders and the publication of this document.

This document includes a request for initial tenders which all suppliers are required to complete and must be submitted in accordance with the Procurement Timetable and instructions set out in this document and any additional information provided.

Following the deadline for submission of initial tenders, NWL will assess initial tenders in accordance with the assessment process and award criteria set out in the Tender Notice and described in this document. The assessment process will identify which suppliers are to be selected to participate in the negotiation/dialogue stage as set out in Stage 3.

Once the assessment of initial tenders has concluded, suppliers will be notified in writing whether they have successfully been invited to Stage 3. Any suppliers not invited to participate in Stage 3 will be provided with reasons in writing to explain why they have not been successful.

Stage 3: Invitation to participate in dialogue [and/or negotiate]

Stage 3 will commence with the notification inviting suppliers that have successfully passed Stage 2 to attend one or more dialogue and/or negotiation meetings.

The notification will also provide details of any new information made available to suppliers at this stage in this Procurement.

The notification will also describe how the dialogue and/or negotiations will be conducted, including the location and dates for the relevant meetings, as well as the attendee arrangements.

Stage 4: Invitation to submit a Best and Final Offer (BAFO)

Stage 4 will commence with the issuing of a letter inviting suppliers that have been successfully shortlisted at Stage 3 to submit their Best and Final Offers.

Best and Final offers must be submitted in accordance with the Procurement Timetable and instructions set out in this document and any additional information provided.

After the deadline for submission of best and final offers, NWL will reconsider, in respect of each supplier that submitted, whether the supplier or any related persons within its corporate group, associated suppliers relied on to meet the conditions of participation, or proposed sub-contractors, are excluded or excludable suppliers and will consider whether to disregard the best and final offer submitted in accordance with its obligations under the Act. If the supplier is an excluded or excludable supplier only by virtue of an associated supplier or proposed sub-contractor, NWL will notify the supplier of its intention to disregard its tender and provide the supplier with a reasonable opportunity to replace the associated supplier or sub-contractor. If as a consequence of this process NWL disregards a tender from an excluded or excludable supplier or is aware of an associated supplier or sub contractor having been replaced, it will give notice of this fact within 30 days of its decision to the Procurement Review Unit (PRU)

NWL will conduct an assessment of all Best and Final Offers in order to identify the supplier which has submitted the most advantageous tender in accordance with the assessment methodology and award criteria set out in the Tender Notice and described in this document. In carrying out this assessment. NWL will disregard any final tender from a supplier who does not satisfy the Conditions of Participation.

Once the assessment has concluded, NWL will provide an assessment summary to all suppliers that submitted a Best and Final offer to:

a. inform them whether they have been successful in being awarded the contract

b. provide an explanation of the assessment of the supplier's tender against the relevant award criteria, in accordance with the requirements of the Act

c. where different to the supplier concerned, provide information in respect of the most advantageous tender submitted, including details of the assessment of this tender against the relevant award criteria and the supplier's name

Once the assessment summaries have been provided to the suppliers that submitted Best and Final offers, NWL will also publish a contract award notice on the Central Digital Platform to commence the mandatory standstill period.

Subject to completion of the mandatory standstill period, Stage 4 will end with NWL entering into preferred supplier stage with the preferred supplier.

Stage 5: Preferred supplier stage

The highest scoring supplier will be invited to engage in further discussions with NWL as part of a preferred supplier stage. This stage will be used to finalise the draft contract terms and conditions, in accordance with the limitations set out in the Act.

Stage 5 will end with NWL entering into the contract with the preferred supplier

Submission deadline

9 Jan 2026, 12:00 GMT

Clarification deadline

5 Jan 2026, 12:00 GMT

Submission channel

Official e-sourcing portal

Electronic submission

Allowed

Accepted languages

en

• SIRIS FLOW INSPECTIONS LTDAwarded supplierGB-COH: 04293621GB-PPON: PGPX-1367-RVDN Washington Business Centre Turbine Way, Sunderland, North East, SR5 3NZContact emailShow contact details