NATIONAL ENERGY SYSTEM OPERATOR LIMITED: tenders, sectors & how to win their contracts

NATIONAL ENERGY SYSTEM OPERATOR LIMITED has published 37 tenders in United Kingdom.

2 are open for bids as of 6 August 2026.

Its buying spans 11 CPV divisions, most often business services: law, marketing, consulting, recruitment, printing, security.

Open Tenders

(2)

NATIONAL ENERGY SYSTEM OPERATOR LIMITED

NESO is seeking a single supplier to provide a range of travel services under one solution - Travel Management System (T...

United Kingdom

£35,000,000

67 days remaining

63516000

View Details

NATIONAL ENERGY SYSTEM OPERATOR LIMITED

Technical Consultancy Framework shall be a multi-lot framework. Works shall be awarded in line Framework Call-Off Proced...

United Kingdom

£72,600,000

150 days remaining

71621000

View Details

Measured from NATIONAL ENERGY SYSTEM OPERATOR LIMITED's own published record — no estimates, no generic advice.

Plan for about 24 days to prepare a bid — that is the median gap between publication and deadline across 6 of their tenders.
They publish about 2.8 tenders a month, measured over 13 months of history.
Half of the tenders where they publish a value are estimated at £3.9m or less.
Most of their buying falls in business services: law, marketing, consulting, recruitment, printing, security, software package and information systems, security, fire-fighting, police and defence equipment.
Their most frequent suppliers are Efficio Limited (2) — expect to bid against incumbents who already know this buyer.

Tender	Winner	Tender closed	Contract Value
Operator Console	PROAV LIMITED	18 February 2025	£2.5m
Microsoft Enterprise and On-Premise Infrastructure Licensing...	Insight Direct (UK) Limited	-	£11.8m

Contracts are dated by the tender's closing date — award dates are not published in the source data.