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Official procurement procedure

Financial Audit Services

No classification published
Location not published
Published value
Not published
Submission deadline Not published
Lots published1
Procurement Executive Summary
AI & Search Synopsis
Generated from official OCDS record
Tenderline Synopsis: NATIONAL ENERGY SYSTEM OPERATOR LIMITED: "Financial Audit Services". Published status: complete. Published value: Value not published. 1 published lot. Submission deadline not published. See the official notice for participation instructions.
Contracting AuthorityNATIONAL ENERGY SYSTEM OPERATOR LIMITEDScope & CategoriesNot publishedSubmission Window
complete
No deadline published
Submission GatewayDirect notice routeLegal Basis & RegimeStandard procurementEstimated Value (exc. VAT)Not published
Bidder Intelligence · Authority Profile: NATIONAL ENERGY SYSTEM OPERATOR LIMITED
Market Analytics
View Authority Profile →
Derived from OCDS awards & bid statistics
Published history for NATIONAL ENERGY SYSTEM OPERATOR LIMITED. These figures describe retained records, not a forecast of bids or a measure of buyer bias.
Published-to-award variance
Not availableInsufficient comparable data
Requires at least 5 comparable procedures
Competition Density
1Bids / Report
100% of reports have one bid
Supplier ConcentrationHigh Concentration
Unicorn Grid Systems a.s.Top vendor: 100% of attributable value
Payment Terms
Check noticePublished terms
Payment obligations depend on the applicable regime and contract. Consult the official documents.
Coverage: 15 active published awards; 2 bid reports (which may be per lot). Supplier values exclude multi-supplier awards, frameworks and DPS, and use GBP only. They are published award values, not payments. Published-to-award variance compares single-lot, single-award, single-supplier GBP procedures with explicitly non-framework/non-DPS status; increases remain in the average. Unpublished data stays unknown. Awarded suppliers are winners, not all bidders.
Historical Awarded Suppliers With This Authority:
Supplier NameHistoric AwardsAttributable GBP Value
Unicorn Grid Systems a.s.1 win£1,318,515
Procedure terms
Contracting AuthorityNATIONAL ENERGY SYSTEM OPERATOR LIMITED
Procedure methodNot published
Procurement categoryNot published
Statuscomplete
Framework / DPSNot published
CompetitionNot published
Above thresholdNot published
Legal basisNot published
Tender period startsNot published
Clarification deadlineNot published
Electronic submissionNot published
Submission languagesNot published
Published22 May 2026, 16:40 BST
Last source update22 May 2026, 16:40 BST
Recurring procurementNot published
ClassificationNot published
Delivery areaLocation not published
OCIDocds-h6vhtk-058b79
What is being bought
Financial Audit Services - annual audit services
What changed
From the official release history
  1. Official notice release published
    22 May 2026, 16:40 BST
  2. Official notice release published
    20 Aug 2025, 15:46 BST
  3. Status changed to complete
    20 Aug 2025, 15:04 BST
  4. Official notice release published
    20 Aug 2025, 15:04 BST
  5. Buyer information updated
    20 Aug 2025, 15:04 BST
Lots and requirements (1)
Published by the contracting authority
  • Lot 1 · #1
    Individual lot title not published
    complete
    Published valueNot published
    The source published no individual title or description for this lot.
    Contract periodNot published
    EligibilityNot published
    Options / renewalNot published
Timeline
  1. Procedure published
    22 May 2026, 16:40 BST
  2. Award active
    Not published · Not published
  3. Contract active
    Signed 22 Sept 2025, 00:00 BST · £1,850,000
Commercial outcome and competition
Awards
BDO LLP
Not published · Not published · active
Contracts
Contract
£1,850,000 · signed 22 Sept 2025, 00:00 BST · active
Contract period: 22 Sept 2025, 00:00 BST — 22 Sept 2030, 23:59 BST
Bid statisticsNo aggregate bid statistics published
Buyer and organisations in this procedure

NATIONAL ENERGY SYSTEM OPERATOR LIMITED

Contracting authority GB-COH-11014226
View buyer profile

  • NATIONAL ENERGY SYSTEM OPERATOR LIMITED
    buyer

    GB-COH: 11014226 · GB-PPON: PHQL-5234-MWWV
    St Catherine's Lodge Bearwood Road, Wokingham, UKJ11, RG41 5BN, GB
    nesoprocurement@neso.energy

  • BDO LLP
    supplier

    GB-COH: OC305127 · GB-PPON: PMQV-8736-WMJD
    55 Baker Street, London, UKI32, W1U 7EU, GB
    publicsectorsales@bdo.co.uk
Documents (1)
Official links; attachments are not copied

  • Not published

    tender
    conflictOfInterest
Related procedures (0)
No data
No related procedures published
Planning and rationale
Planning budgetNot published
No-engagement rationaleNot published
Procedure rationalePlease see notices; Notice identifier: 2025/S 000-050242 Procurement identifier (OCID): ocds-h6vhtk-058b79