Top suppliers
Top suppliers to NS&I
Top-five suppliers hold 100% of contract value — a concentrated market.
Procurement categories
What NS&I buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
7279486680641832Recent contracts
Latest NS&I contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
IT Health Checks
Layer 7 Limited · 2026-08-20
IS & Security Assurance Subscriptions
Gartner UK Limited · 2026-05-20
Chief Executive Officer recruitment campaign
IRG ADVISORS LLP T/as Odgers · 2026-04-16
Chair and Non Executive Director Recruitment
HAYS SPECIALIST RECRUITMENT LIMITED · 2026-03-16
UK/ GB Tracking Survey of the Savings and Investments Market
Ipsos MORI UK Limited · 2026-03-13
£77K
Third Party Risk Management platform
MITRATECH (UK) LIMITED · 2026-03-12
£14K
Savings Market database
CACI Limited · 2026-03-03
£85K
Financial Market Intelligence Reports & Monitoring
Moneyfacts Group PLC · 2026-02-27
£88K
Courier and Specialist Movements
CitySprint (UK) Limited · 2026-02-10
Penetration Testing.
AmberWolf limited · 2026-02-06
£16K
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Pipeline
Contracts expiring in the next 12 months
When these contracts end, NS&I typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
External Data Variables and Data Modelling services
Expires: 2026-09-17
Off-Site Storage
Expires: 2026-10-31
£93K
Chief Executive Officer recruitment campaign
Expires: 2026-11-10
Technical support for Integrated Human Resources System
Expires: 2026-11-14
Market Intelligence Reports and Data
Expires: 2026-12-05
Unit 4 Application Managed Support Service
Expires: 2027-02-26
Jira software licenses and technical support
Expires: 2027-03-10
Business Transformation Programme - External Specialist Support
Expires: 2027-03-23
Business to Business Outsourced Services
Expires: 2027-03-31
£92.3M
UK/ GB Tracking Survey of the Savings and Investments Market
Expires: 2027-03-31
£77K
Market analysis
Bidding into NS&I — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
15%
Awards to SMEs
100%
Top-5 supplier share
58%
Framework call-offs
—
Awards to social enterprises
Around 15% of NS&I’s classified awards go to small and medium-sized enterprises. Around 58%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 66 contracts totalling £751.1M between 2023-09-16 and 2026-09-16, working with 52 unique suppliers. Average contract value is £44.2M.
Who are NS&I's top suppliers?
The largest suppliers to NS&I by total award value are Atos IT Services UK Ltd, Sopra Steria Limited, Ipsos MORI UK Limited. The top five suppliers together hold 100% of contract value.
What does NS&I buy from suppliers?
NS&I's procurement is concentrated in it services: consulting, software development, internet and support, business services: law, marketing, consulting, recruitment, printing and security, 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 2026-09-16
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.