Top suppliers
Top suppliers to ATOC
Top-five suppliers hold 0% of contract value — a moderately competitive market.
Procurement categories
What ATOC buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
Recent contracts
Latest ATOC contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Energy Management Services Contract
Schneider Electric ESS BV · 2025-11-07
DPAYG Trials
Trainline Ltd · 2025-05-15
DPAYG Trials
ECR / Hopon · 2025-05-15
DPAYG Trials
Tracsis · 2025-05-15
DPAYG Trials
Fairtiq · 2025-05-15
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Market analysis
Bidding into ATOC — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
0%
Awards to SMEs
0%
Top-5 supplier share
0%
Framework call-offs
—
Awards to social enterprises
Around 0% of ATOC’s classified awards go to small and medium-sized enterprises.
Frequently asked
Common questions about selling to ATOC
How much does ATOC spend on procurement?
ATOC awarded 5 contracts totalling £0 between 2023-09-01 and 2026-09-01, working with 5 unique suppliers. Average contract value is £0.
Who are ATOC's top suppliers?
The largest suppliers to ATOC by total award value are Schneider Electric ESS BV, Trainline Ltd, ECR / Hopon. The top five suppliers together hold 0% of contract value.
What does ATOC buy from suppliers?
ATOC's procurement is concentrated in , alongside specialist categories. See the full CPV breakdown below.
How can my business bid for ATOC contracts?
ATOC 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.
Continue reading
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 ATOC'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 2026-09-01
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.