---
title: "Financial Audit Services"
ocid: "ocds-h6vhtk-058b79"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-058b79"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-058b79.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-058b79.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "NATIONAL ENERGY SYSTEM OPERATOR LIMITED"
published: "2026-05-22"
---

# Financial Audit Services

Buyer: NATIONAL ENERGY SYSTEM OPERATOR LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-058b79

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-058b79)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-058b79.json)

## Summary

The procurement process for "Financial Audit Services" was undertaken by the National Energy System Operator Limited, a public undertaking based in Wokingham, United Kingdom. This process involved a direct award procurement method under the utilities special regime, in compliance with the Procurement Act 2023. The contract was awarded to BDO LLP, a large-scale supplier located in London. Key dates include the contract period starting on 22nd September 2025 and ending on 22nd September 2030, with the award dated 22nd May 2026 for a value of £1,850,000 GBP. The tender status is complete, with the primary procurement category being services, specifically auditing services, delivered across multiple regions in the United Kingdom.

This tender for Financial Audit Services presents substantial opportunities for businesses in the auditing industry to secure long-term partnerships with government entities. Firms that specialise in providing comprehensive auditing services, ensuring compliance with applicable accounting standards (IFRS), and offering expert advisory to financial departments will find this type of tender particularly beneficial. Additionally, businesses well-versed in managing utilities sector audits and those capable of liaising effectively with high-level financial officers and committees will be ideally positioned to compete for similar future opportunities.

## Notice

Financial Audit Services - annual audit services

### Procurement Information

Please see notices; Notice identifier: 2025/S 000-050242 Procurement identifier (OCID): ocds-h6vhtk-058b79

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/048247-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | SME, VCSE |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 May 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 19 Aug 2025 |
| Contract period | 21 Sep 2025 - 22 Sep 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £1,850,000 |
| Contracts value | £1,850,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NATIONAL ENERGY SYSTEM OPERATOR LIMITED |
| Locality | WOKINGHAM |
| Post town | Reading |
| Postcode | RG41 5BN |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ16 Berkshire West |
| Local authority | Wokingham |
| Electoral ward | Winnersh |
| Westminster constituency | Wokingham |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | BDO |

## CPV Codes

### Divisions

- 79 - Business services: law, marketing, consulting, recruitment, printing and security

### Codes

- 79212000 - Auditing services

## Release History

- 22 May 2026 at 15:40 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/048247-2026
- 20 Aug 2025 at 14:46 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/050277-2025
- 20 Aug 2025 at 14:04 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/050242-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/048247-2026
  22nd May 2026 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/050277-2025
  20th August 2025 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/050242-2025
  20th August 2025 - Transparency notice on Find a Tender

## Notice URLs

- https://www.bdo.co.uk
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-h6vhtk-058b79. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-058b79.json.