Buyer
NATIONAL ENERGY SYSTEM OPERATOR LIMITED
The tender notices in our corpus from NATIONAL ENERGY SYSTEM OPERATOR LIMITED, newest first, read from Find a Tender and Contracts Finder. Each links to its own page and to the original.
- Notices in the corpus
- 56Counted in the corpus search index when this page was read, across every stage (forecast, tender, award, contract). The index is refreshed by the corpus, so the newest notices may be missing for a while.Counted at Thu 29 Oct 2026, 07:34 GMT.
- Newest notice published
- 27 Oct 2026
- Buyer type
- OtherThe corpus’s classification from the buyer name, as supplied.
- Read the buyer’s published records, newest first.
- Separate planning, live opportunities and historical outcomes.
- Read the original lot, value basis and documents.
- Investigate relevance before authorising response work.
Which notices has this buyer published?
Open notices are live tenders and forecasts. All notices also include historical ones: awarded, closed or past their deadline.
- Contingent Labour and options for Permanent Recruitment providerNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 15 Oct 2026NESO is seeking a Managed Service Provider (MSP) to deliver contingent labour services, with the option to provide supplementary permanent recruitment support. The MSP will be responsible for the management of contingent workforce programmes including the delivery of direct sourcing activities and£60,000,000Estimated value stated in the noticeForecast · Planning
- Strategic Enterprise Modelling Capability SolutionNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 25 Aug 2026NESO is inviting suppliers to take part in pre-market engagement to help us understand market capability, appetite and enterprise solution options for Strategic Capability for end-to-end Modelling Services. As NESO continues its transformation into an independent public corporation and advances itsValue not stated in sourceForecast · Planning
- Technical Consultancy FrameworkNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 30 Jul 2026Technical Consultancy Framework shall be a multi-lot framework. Works shall be awarded in line Framework Call-Off Procedure. The framework shall consist of 5 lots covering numerous disciplines: - Engineering & Technical Analysis, - Modelling, Simulation & Analytics, - Strategic Technical Consulta£60,500,000Estimated value stated in the noticeLive tender · Open
- NESO Engineering Support ServicesNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 26 May 2026The contracting authority (NESO) is considering the potential establishment of an Engineering Services framework, likely with a single supplier, to support access to specialised and scarce engineering expertise. The objective is to facilitate timely access to skills, advisory capability, and deliverValue not stated in sourceForecast · Planning
- NESO Facilities Management Services FrameworkNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026The procurement relates to the establishment of a Facilities Management Services Framework across NESO estate within the UK. The framework may include the provision of hard and/ or soft facilities management services, including associated minor works, refurbishment, repair and maintenance activitiesValue not stated in sourceForecast · Planning
- NESO Workplace Fit-Out, Refurbishment and Associated Works (East England)NATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026The procurement relates to office fit-out and refurbishment works across NESO estate locations within the UK. NESO currently intends to competitively procure the works via one of the available external framework agreements. However, the procurement route remains subject to ongoing strategy developmValue not stated in sourceForecast · Planning
- NESO Workplace Fit-Out, Refurbishment and Associated Works (North England)NATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026The procurement relates to office fit-out and refurbishment works across NESO estate locations within the UK. NESO currently intends to competitively procure the works via one of the available external framework agreements. However, the procurement route remains subject to ongoing strategy developmValue not stated in sourceForecast · Planning
- NESO Workplace Fit-Out, Refurbishment and Associated Works (Wales)NATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026The procurement relates to office fit-out and refurbishment works across NESO estate locations within the UK. NESO currently intends to competitively procure the works via one of the available external framework agreements. However, the procurement route remains subject to ongoing strategy developmValue not stated in sourceForecast · Planning
- NESO Workplace Fit-Out, Refurbishment and Associated Works (Midlands)NATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026The procurement relates to office fit-out and refurbishment works across NESO estate locations within the UK. NESO currently intends to competitively procure the works via one of the available external framework agreements. However, the procurement route remains subject to ongoing strategy developmValue not stated in sourceForecast · Planning
- DD&T Value Added Reseller (VAR)NATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026Establishment of a VAR to support procurement of low-complexity technology goods and servicesValue not stated in sourceForecast · Planning
- Energy Market Modelling Software and Compute ServicesNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026Provision of modelling software licences and compute capacity for energy market simulationsValue not stated in sourceForecast · Planning
- CRM PlatformNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026Enterprise CRM platform licensing and associated services for customer relationship managementValue not stated in sourceForecast · Planning
- Cyber Security Operations Centre (SOC) and SIEM ServicesNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026Managed SOC and SIEM services for continuous monitoring, threat detection, and responseValue not stated in sourceForecast · Planning
- Pan-European Energy Market Modelling and Advisory ServicesNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026Provision of market modelling software and advisory services supporting European energy market analysisValue not stated in sourceForecast · Planning
- Electricity Network Management System (IEMS) Software SubscriptionNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 May 2026Subscription for Integrated Electricity Management System software supporting network operations and optimisationValue not stated in sourceForecast · Planning
- NESO Travel Management ServicesNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 22 Apr 2026NESO is seeking a single supplier to provide a range of travel services under one solution - Travel Management System (TMS). These services can broadly be broken down as follows: Air, Rail. Hotel, Venue, Groups, Restaurants, Taxi, Car hire, and any other related auxiliary services linked to the Trav£29,000,000Estimated value stated in the noticeLive tender · Open
- Occupational Health & Employee Assistance Programme ServicesNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 29 Jan 2026NESO is transitioning to a fully independent public corporation and seeks to appoint provider to offer a solution for their 2,800 primarily UK based employees. NESO requires a direct contractual relationship with a provider for a Occupational Health and Employee Assistance Programme Service.£1,102,610Estimated value stated in the noticeForecast · Planning
- Flexible Benefits Platform (including Brokering Service) and Employee Reward & Recognition PlatformNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 20 Jan 2026The National Energy System Operator (NESO) is an independent, public corporation at the centre of the energy system with a view to create access to reliable, clean and affordable energy in the UK. Following its transition into public ownership, NESO is seeking to appoint a provider(s) to provide f£13,180,000Estimated value stated in the noticeForecast · planned
- Management Consultancy ServicesNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 24 Sep 2025Provision of management consultancy services including Business/Admin, Project Management, Financial Services, HR Consultancy, IT Consultancy, Procurement Consultancy, etc.£131,538,411Framework ceiling or programme total, not a contract valueForecast · planned
- Subscription Services FrameworkNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 23 May 2025Provision of utilities and energy research and development data subscription services.£32,233,775Estimated value stated in the noticeForecast · Planning
- Human Resources Services FrameworkNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 23 May 2025Provision of human resources services including rewards and benefits, learning and development, health and wellbeing, personal and corporate insurance, background checks, visa services and more.£61,539,597Estimated value stated in the noticeForecast · Planning
- Security Services and Technology FrameworkNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 23 May 2025Provision of security equipment and services£10,000,000Estimated value stated in the noticeForecast · Planning
- Building Refurbishments and Mechanical and Electrical Projects FrameworkNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 23 May 2025Provision of building refurbishment services and Mechanical and Electrical Projects£32,051,457Estimated value stated in the noticeForecast · Planning
- Design and Project Services FrameworkNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 23 May 2025Provision of capital works design and project management services.£2,000,000Estimated value stated in the noticeForecast · Planning
- Physical Security Operation ServicesNATIONAL ENERGY SYSTEM OPERATOR LIMITED · Published 24 Jan 2025This Prior Information Notice (PIN) is separate to any tender opportunity and not related to any subsequent activity that NESO may wish to pursue. The purpose of this PIN is to inform the market of NESOs intention to tender and to improve NESOs knowledge on the status of any economic operator(s) tha£500,000Estimated value stated in the noticeForecast · Planning
What has this buyer published most recently?
This preview follows the current page’s record order. It is a sample, not a complete history or a forecast.
- 01
Contingent Labour and options for Permanent Recruitment provider
Estimated value stated in the notice
- 02
Strategic Enterprise Modelling Capability Solution
Value not stated in source
- 03
Technical Consultancy Framework
Estimated value stated in the notice
- 04
- 05
NESO Facilities Management Services Framework
Value not stated in source
How should you check a record before using it?
Follow its notice page to the original publication, then read the current document and value basis.
A published amount may describe a contract, lot or framework ceiling. The wording beside each record states the basis supplied by the source.
Publications: Find a Tender and Contracts Finder.
- Open the linked tender page and its original publication, where recorded.
- Separate publication, award and response dates.
- Read the value basis; a framework ceiling is not money spent.
- Use the named organisation; do not merge a group parent by assumption.
How much time should you allow to review this page?
Multiply the visible record count by your own review time. Follow-up documents are extra work.
Plan this page’s review
25 records on this page × your minutes per record.
Five minutes is an illustration. Later pages and linked documents are additional work.
Estimated review time125 minutesSource: Your inputs and this page · Visible record count
125 minminutes
- First record5
- Remaining records on this page120
Planning estimate for 25 records read at Thu 29 Oct 2026, 07:34 GMT; not a measured average or a total for the organisation.
What should you investigate first?
Check the notice’s stage and scope before treating it as available work.
- Record01
Open one relevant notice
Keep its identifier and original publication together. - Context02
Separate invitation from outcome
Planning and award notices are not current invitations. - Evidence03
Read the current documents
Follow scope, lots and updates; resolve missing information through the buyer. - Decision04
Record why it matters
Keep facts separate from eligibility or future-demand assumptions. - Action05
Name a useful follow-up
Decide whether preparation work is justified.
An editorial review sequence, not a buyer timetable or predicted cycle.
What can you safely conclude from these records?
Use the facts each record states. A page of notices or awards does not establish market share, a win rate or future demand.
Review the recorded limitations below. Missing data stays missing, and organisations are linked only when the corpus supplies a page key.
- The corpus and this page are bounded views of published records.
- No organisation-wide spend or awarded-value total is calculated here.
- A named buyer link is not evidence of a wider group relationship.
- Past records do not establish the next opportunity’s date or value.
Where can you investigate next?
Use the guides to resolve the notice stage, framework or evidence question.
| Next record or guide | Purpose |
|---|---|
| Search Contracts Finder records | Understand the next part of the bid |
| Separate frameworks from contracts | Understand the next part of the bid |
| Check the invitation’s stage | Understand the next part of the bid |
| Check security evidence | Understand the next part of the bid |
The next decision needs a record someone can check.
What is the useful next action?
Open a relevant notice and establish whether there is work your team should investigate.
Keep the source, uncertainty and decision together.
Explore current and past tenders →- Locate a relevant published notice.
- Follow original documents and the stage.
- Resolve evidence and delivery questions.
- Keep a specific action and its reasons.
What are the limits of this record?
- Notices are linked to this buyer by a slug made from the buyer name on each notice. A notice that writes the name differently may be under another buyer, or none.
- Buyer type is the corpus's classification from the buyer name, not an official category.
Where was this record read?
- Buyer
- national-energy-system-operator-limited
- Read at
- Thu 29 Oct 2026, 07:34 GMT
Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.