Top suppliers
Top suppliers to NS&I
Top-five suppliers hold 99% of contract value — a concentrated market.
Procurement categories
What NS&I buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
797248666480183032Recent contracts
Latest NS&I contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Level 2 Helpdesk Support
Capgemini UK PLC · 2026-10-08
User research, usability and journey testing
Optimal Workshop · 2026-09-30
£16K
Legal Advice
Addleshaw Goddard LLP · 2026-09-07
£1.2M
IT Health Checks
Layer 7 Limited · 2026-08-20
£63K
Qualitative Research and User Experience
THINKS INSIGHT AND STRATEGY (BRITAIN THINKS) LIMITED · 2026-08-16
£1.0M
Personal finance journalist survey
IPSOS MORI UK LIMITED · 2026-07-03
£16K
Recruitment campaign for Chief People Officer
HAYS SPECIALIST RECRUITMENT LIMITED · 2026-06-30
£22K
Collaborative design and whiteboarding tool
Figma Inc · 2026-06-03
£96K
Annual Agreement for Financial Advisor Activity
Incisive Business Media Limited · 2026-06-02
£14K
Remediation Plan and Execution
Ernst & Young LLP · 2026-05-21
£950K
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What NS&I has coming up
Sign in free to see the detail: titles, timings, values, and what to prepare.
Most of it is in business services, IT services and software & IT systems.
21
contracts ending in 12 months
Likely to be re-tendered: see which, and who holds them
13
planned procurements
Work this buyer has said it intends to tender
Market analysis
Bidding into NS&I — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
19%
Awards to SMEs
99%
Top-5 supplier share
49%
Framework call-offs
—
Awards to social enterprises
Around 19% of NS&I’s classified awards go to small and medium-sized enterprises. Around 49%of awards are call-offs from framework agreements — getting onto the right framework matters as much as the bid itself here.
Frequently asked
Common questions about selling to NS&I
How much does NS&I spend on procurement?
NS&I awarded 99 contracts totalling £718.7M between 2023-11-08 and 2026-11-08, working with 74 unique suppliers. Average contract value is £11.1M.
Who are NS&I's top suppliers?
The largest suppliers to NS&I by total award value are Atos IT Services UK Ltd, IBM United Kingdom Limited, Capgemini UK PLC. The top five suppliers together hold 99% of contract value.
What does NS&I buy from suppliers?
NS&I's procurement is concentrated in business services: law, marketing, consulting, recruitment, printing and security, it services: consulting, software development, internet and support, software package and information systems, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for NS&I contracts?
NS&I publishes open tenders on Find a Tender and Contracts Finder. ENKII matches your business against live tenders, identifies certifications you'll need, and surfaces frameworks worth applying to. Free Readiness Score in 3 minutes.
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Related ENKII resources
GUIDE
PQQ & Selection Questionnaire — Procurement Act 2023
How UK central-government departments evaluate suppliers at the pre-qualification stage.
GUIDE
Cyber Essentials — for government contracts
Most central-government contracts handling personal data require this certification.
SECTOR
UK Government IT Services
G-Cloud, DOS, Crown Commercial frameworks. Software + consultancy is NS&I's largest spend area.
INDEX
All UK public-sector buyers
Browse procurement profiles for every UK government department and major buyer.
Sources & methodology
How this profile is compiled
Analysed by ENKII · Updated 2026-11-08
This profile aggregates public-record procurement data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and aggregates source records; we don't edit the underlying facts.
Source portals
- · Find a Tender (find-tender.service.gov.uk)
- · Contracts Finder
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.