--- title: "Great British Energy Technical Due Diligence Advisors 2026-2029" ocid: "ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac" markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac.md" json_url: "https://d3tenders.com/contract/ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac.json" source: "Contracts Finder" current_stage: "Award" buyer: "GREAT BRITISH ENERGY" published: "2026-05-28" --- # Great British Energy Technical Due Diligence Advisors 2026-2029 Buyer: GREAT BRITISH ENERGY Current stage: Award OCID: ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac) [Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac.json) ## Summary The contracting authority, Great British Energy, has completed the procurement stage for the "Great British Energy Technical Due Diligence Advisors 2026-2029" process. This initiative falls under the environmental engineering consultancy services category, with additional relevance to energy and related services. The procurement, valued at £10 million excluding VAT, was conducted via a selective method, specifically through a call-off from the Department for Energy Security and Net Zero's Energy and Net Zero Professional Services Framework. Contracts under this tender have been awarded to suppliers WSP UK Limited, Buro Happold Ltd, and AtkinsRéalis UK Limited, with the contractual period specified from 1st May 2026 to 30th April 2029. This framework aims to support the technical due diligence needs for forthcoming projects considered for investment, funding, or partnerships. This procurement offers significant business growth opportunities, particularly for large consultancy firms specialising in environmental engineering and energy services. Firms with expertise in technical, commercial, financial, and management due diligence services are well-suited to compete in similar future tenders. The ability to leverage a portion of the substantial programme budget provides an incentive for capable suppliers to engage with Great British Energy's ongoing and future projects. This opportunity is ideal for consultancy businesses aiming to expand their portfolio in the field of energy consultancy and strategic advisory services, especially within the framework of governmental collaborations. ## Notice Great British Energy is sourcing Suppliers to deliver its technical due diligence requirements for the next three years on those projects GBE intends to investigate further for potential investment, funding and or Partnership with. Three contracts were awarded under this contract for Supplier A (WSP), Supplier B (Buro Happold) and Supplier C (AtkinsRealis). Tiered contracts were placed in order to manage any conflict of interest of resourcing issues which Suppliers may have which may prevent them undertaking a commission. The GBE due diligence programme includes Technical due diligence as well as Commercial Financial and Management due diligence. The programme is PS10m ex VAT in total. Each of these contracts has a contract value of up to PS10m, but will each share a proportion of the programme budget as required. This was procured through the Department for Energy Security and Net Zero's Energy and Net Zero Professional Services Framework ("ENZPS Framework") Lot 2 and SD1 Policy and Strategy and SD 3 Energy Design and Delivery. Additional information: Redacted contracts ## Key Details | Field | Value | | --- | --- | | Publication source | Contracts Finder | | Latest notice | https://www.contractsfinder.service.gov.uk/Notice/8367563e-a9cd-4ab7-8e79-97a0a9ccd4d3 | | Notice type | Award Notice | | Procurement type | Framework | | Procurement category | Services | | Procurement method | Selective | | Procurement method details | Call-off from a framework agreement | | Tender suitability | Not specified | | Awardee scale | Large | | All stages | Award | ## Dates | Field | Value | | --- | --- | | Publication date | 28 May 2026 | | Submission deadline | 27 Feb 2026 | | Future notice date | Not specified | | Award date | 30 Apr 2026 | | Contract period | 30 Apr 2026 - 30 Apr 2029 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £10,000,000 | | Lots value | Not specified | | Awards value | £10,000,000 | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Complete | | Lots status | Not specified | | Awards status | Active | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | GREAT BRITISH ENERGY | | Locality | ABERDEEN | | Post town | Aberdeen | | Postcode | AB10 1BJ | | Country | Scotland | | ITL 1 | TLM Scotland | | ITL 2 | TLM5 North Eastern Scotland | | ITL 3 | TLM50 Aberdeen City and Aberdeenshire | | Local authority | Aberdeen City | | Electoral ward | Midstocket/Rosemount | | Westminster constituency | Aberdeen South | | Delivery location | Not specified | ## Supplier | Field | Value | | --- | --- | | Number of suppliers | 3 | | Supplier names | ATKINSRÉALIS; BURO HAPPOLD; WSP | ## CPV Codes ### Divisions - 71 - Architectural, construction, engineering and inspection services ### Codes - 71313000 - Environmental engineering consultancy services - 71314000 - Energy and related services ## Release History - 28 May 2026 at 14:05 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/8367563e-a9cd-4ab7-8e79-97a0a9ccd4d3 ## Documents - https://www.contractsfinder.service.gov.uk/Notice/8367563e-a9cd-4ab7-8e79-97a0a9ccd4d3 28th May 2026 - Awarded contract notice on Contracts Finder - https://www.contractsfinder.service.gov.uk/Notice/Attachment/2102a3e7-53f5-4676-a343-ee43d6e72f7f prj_6376-Supplier A Contract - REDACTED - https://www.contractsfinder.service.gov.uk/Notice/Attachment/5113a616-9c4e-4b76-9c4d-a220c6a71263 prj_6376-Supplier B Contract - REDACTED - https://www.contractsfinder.service.gov.uk/Notice/Attachment/191266ce-804a-4ee9-8567-c915b74cfa0a prj_6376-Supplier C Contract - REDACTED ## Notice URLs - https://www.gbe.gov.uk/ ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac.json.