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Find a TenderAwardedContract award notice
Published 7 May 2025, 13:28 BST

Official UK procurement notice

Subsea Survey Services · UK public procurement notice

Official notice

Authority: INTERCONNECTOR SERVICES (NI) LIMITED (Public body)

ServicesCompetitive flexible procedureAbove thresholdUtilities
Sectors: Architecture & Engineering (71)Services related to the oil and gas industry (76) Delivery: Northern Ireland (UKN)
Published estimate£1,499,999≈ £1.3m / year · £2,000,000 inc. VAT
Submissions closed 2 Jun 2025awarded 26 Sept 2025
Award (standstill) to N-Sea
Contract term 1 yr 2 moends 31 Oct 2026 · starts 1 Sept 2025

What is being bought

Published requirement description

Interconnector Services Limited, part of the Mutual Energy group has tendered for a contract for the provision of marine survey services. The tender process consisted of an initial prequalification

stage, followed by a second tender submission stage and BAFO.

  • How the procedure runs: This will be a two stage process with an initial qualification/selection stage and a second tender stage for qualifying suppliers.

CPV: Marine survey services · Pipeline-inspection services

The lotProcurement structure

single lot · value published
Lot #1Awarded 1 yr 2 moPublished value£1,499,999
Contract period: 1 Sept 2025 – 31 Oct 2026 (1 yr 2 mo)Value: £1,499,999 exc. VAT · £2,000,000 inc. VAT
Delivery: Northern Ireland
71354500 Marine survey services76600000 Pipeline-inspection services

What it takes to win
i

How this buyer will score bids.

The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).

Evaluation split and conditions of participation as published; the tender pack may add more
How bids were scored
  • Simple description: There will be price and quality elements to the award criteria and more details are provided within the tender documents.

Procedure terms & legal framework

From the official record
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
7 May 2025, 13:28 BST
Last source update
29 Sept 2025, 14:00 BST
Award evaluation window
Submission end – 16 Aug 2025
FTS notice number
2025/S 000-019370
Latest notice
Contract award notice (UK6)
Classification (CPV)
Marine survey servicesPipeline-inspection services
Delivery area
Northern Ireland (UKN)
Official registry OCID
ocds-h6vhtk-050dcc Find a Tender
How it runs

This will be a two stage process with an initial qualification/selection stage and a second tender stage for qualifying suppliers.

How it was run

Official notice
Run through: In-tend · Who buys & how to bid on In-tend
Supplier login requiredElectronic submission allowedLanguage: EN
Access & registration note: Free · one account per buying organisation's portal · reCAPTCHA on signup
Submission deadline
2 Jun 2025, 13:00 BST
Clarification deadline
27 May 2025, 13:00 BST
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

in-tendhost.co.uk/mutual-energy/aspx/Home ↗ - please register and download the tender documents

Timeline

7 May 2025 → 8 Oct 2025 · 8 dates
  1. Tender notice published
    7 May 2025, 13:28 BST
  2. Clarification questions by
    27 May 2025, 13:00 BST
  3. Submission deadline
    2 Jun 2025, 13:00 BST
  4. Award decision expected by
    16 Aug 2025, 00:59 BST
  5. Contract starts
    1 Sept 2025
  6. Assessment summaries sent388 days ago
    29 Sept 2025, 00:00 BST
  7. Latest notice published387 days ago
    29 Sept 2025, 14:00 BST
  8. Standstill ends378 days ago
    8 Oct 2025, 23:59 BST

Notice history

4 events · 2 releases on Find a Tender · since 7 May 2025
  1. Tender notice published
    7 May 2025, 13:28 BST
    UK4
  2. Contract award notice published
    29 Sept 2025, 14:00 BST
    UK6
  3. Status changed to complete
    29 Sept 2025, 14:00 BST
  4. Contract signature expected
    31 Oct 2025, 23:59 GMT
    scheduled

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value (inc. VAT) £3,000,0001 award inc. VAT; no net value published
Awarded toValueDateStatus
N-Sea1 Nov 2025 – 31 Dec 2026£3,000,000 inc. VAT26 Sept 2025standstill to 8 Oct 2025Standstill

Contracting authority & participating public bodies

INTERCONNECTOR SERVICES (NI) LIMITED

Contracting authorityPrivate utilityNorthern Irish devolved regulations apply GB-COH: NI058161 · GB-PPON: PYBP-3791-LQGJ First Floor, 85 Ormeau Road, Northern Ireland, BT7 1SHContact name, email

Bidders & participating suppliers

1 commercial party on the notice
  • N-SeaAwarded supplierGB-PPON: PXWY-9334-MHJV Wilgenbos 2, Dordrecht, NL, 3311 JX, NLContact email

Official documents & specifications (3)

Official links; attachments are not copied

Tender pack and attachments

  • Bidding documents and specifications tenderBidding documents and specificationsAll interested suppliers should register on our tender portal - https://in-tendhost.co.uk/mutual-energy/aspx/Home where the tender documents can be downloaded

Notices published for this procedure

  • Contract award notice awardContract award noticeUK6Contract award notice on Find a Tender
  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender