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

NATIONAL ENERGY SYSTEM OPERATOR LIMITED has published 51 tenders in United Kingdom.

1 is open for bids as of 14 November 2026.

Its buying spans 13 CPV divisions, most often business services: law, marketing, consulting, recruitment, printing, security.

Open Tenders

(1)

NATIONAL ENERGY SYSTEM OPERATOR LIMITED

NESO is seeking a Managed Service Provider (MSP) to deliver contingent labour services, with the option to provide suppl...

United Kingdom

£72,000,000

351 days remaining

79620000

View Details

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

Plan for about 29 days to prepare a bid — that is the median gap between publication and deadline across 8 of their tenders.
They publish about 3.2 tenders a month, measured over 16 months of history.
Half of the tenders where they publish a value are estimated at £7m or less.
Most of their buying falls in business services: law, marketing, consulting, recruitment, printing, security, software package and information systems, it services: consulting, software development, internet and support.
Their most frequent suppliers are TLT LLP (2), EFFICIO LIMITED (2), GOWLING WLG (UK) LLP (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.