A483 Llandeilo & Ffairfach Improvements – NEC4 Project Management Services

Official notice

Authority: Llywodraeth Cymru / Welsh Government (Central government)

Below threshold - without competition

Sectors: Architecture & Engineering (71) Delivery: Wales (UKL)

Awarded value£43,200published contract · exc. VAT

Awarded 1 Apr 2026no call for competition

Awarded to Ymgynghorwyr Seilo Cyf

What is being bought

Published requirement description

Provision of NEC4 Project Management Services for the Ground Investigation Contract between Welsh Government and Arcadis. Additional duties include Risk and Commercial Management as well as liaison with relevant stakeholders

The lotProcurement structure

single lot · no lot value published

Lot #1Awarded

Delivery: Wales

71521000 Construction-site supervision services 71530000 Construction consultancy services

Procedure terms & legal framework

From the official record

Procedure method: Below threshold - without competition
Legal basis: UKPGA · 2023/54 Procurement Act 2023
Notice status: Awarded without competition
Procurement threshold: Unspecified in notice
Regulatory regime: Standard
Commercial structure: Stand-alone contract (no framework)
Competition type: Direct award (no call for competition)
GPA / WTO covered: Unspecified in notice
Recurring procurement: Unspecified in notice
First published: 28 May 2026, 10:02 BST
Last source update: 28 May 2026, 10:02 BST
Authority reference: C486/2025/2026
FTS notice number: 2026/S 000-050093
Latest notice: Contract details notice (UK7)
Delivery area: Wales (UKL)
Official registry OCID: ocds-h6vhtk-06a721 Find a Tender

Notice history

1 event · 1 release on Find a Tender

Contract details notice published
28 May 2026, 10:02 BST
UK7

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast

Awards 1

Awarded value £43,2001 contract exc. VAT

Contracts signed 1latest 1 Apr 2026

Awarded to	Value	Date	Status
Ymgynghorwyr Seilo CyfSME	£43,200 †	—	Awarded

Contracts

A483 Llandeilo & Ffairfach Improvements – NEC4 Project Management Services · Ymgynghorwyr Seilo CyfSME
Signed
1 Apr 2026
Value
£43,200
Period
1 May 2026 – 1 May 2028 · up to 1 May 2029 with extensions
Status
active
Extensions
the option to extend the contract term for provision of the same services for a further 12 months

Contracting authority & participating public bodies

Llywodraeth Cymru / Welsh Government

Contracting authorityPublic authority - central governmentWelsh devolved regulations apply GB-PPON: PQYQ-3841-BHTP Gwasanaethau Caffael Corfforaethol / Corporate Procurement Services, Cardiff, Wales, CF10 3NQContact email

Bidders & participating suppliers

1 commercial party on the notice

Ymgynghorwyr Seilo CyfAwarded supplierGB-PPON: PYDJ-5949-GGMD Plas Gwyn, Penrhyncoch, Aberystwyth, Wales, SY23 3EFContact email

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

Contract details notice contractContract details noticeUK7Contract details notice on Find a Tender28 May 2026, 10:02 BST