---
name: "DIO"
supplier_id: "GB-FTS-51083"
organisation_scale: null
total_awards: 5
total_spend_gbp: 749953357
median_contract_gbp: 1257583
lots_bid: null
lots_won: null
win_rate_pct: null
median_discount_pct: null
url: "https://tenderline.uk/suppliers/dio-coh-sc223940"
generated: "2026-10-08T00:14:21.393Z"
machine_api: "https://tenderline.uk/api/public/suppliers/GB-FTS-51083/markdown"
---

# DIO · UK Public Sector Contract Record

Source: [Tenderline](https://tenderline.uk/suppliers/dio-coh-sc223940) — Official UK public procurement supplier dossier compiled from Find a Tender notices.

> **Tenderline Supplier Summary:** DIO is a Enterprise public sector supplier in the UK. Tracked in Tenderline with 5 published contract awards across official contracting authorities.

## Key Information
- **Supplier Name:** DIO
- **Organisation Scale:** Enterprise
- **Company Registration (CRN):** `GB-FTS-51083` (Find a Tender organisation id)
- **Total Published Awards:** 5
- **Primary Sector:** UK Public Sector Procurement
- **Company Status:** Active

- **Tenderline Record:** https://tenderline.uk/suppliers/dio-coh-sc223940

## Market Volume & Benchmarks
- **Total Published Contract Spend:** £750m
- **Median Contract Value:** £1.3m

## Delivery Geography
- **Active Delivery Regions:** Nationwide (UK)

## Top Public Sector Clients
1. **[Ministry of Defence](https://tenderline.uk/buyers/ministry-of-defence-gov-d17):** 5 procedures

## Largest Contract Awards Won
Top public sector contracts awarded to this supplier:
1. **[Ministry of Defence](https://tenderline.uk/buyers/ministry-of-defence-gov-d17):** £732m · [England Midlands
England East Anglia
England South
South Wales](https://tenderline.uk/tenders/supply-of-liquid-fuel-england-mids-south-east-anglia-lot-107-108-110-112-ocds-h6vhtk-032dbc)
2. **[Ministry of Defence](https://tenderline.uk/buyers/ministry-of-defence-gov-d17):** £15m · [England North West
Wales South](https://tenderline.uk/tenders/supply-of-liquid-fuel-england-north-west-lot-105-113-ocds-h6vhtk-032d22)
3. **[Ministry of Defence](https://tenderline.uk/buyers/ministry-of-defence-gov-d17):** £1.3m · [England London and South East](https://tenderline.uk/tenders/supply-of-liquid-fuels-oils-england-london-and-south-east-lot-109-new-era-fuels-limited-pe-ocds-h6vhtk-03307d)
4. **[Ministry of Defence](https://tenderline.uk/buyers/ministry-of-defence-gov-d17):** £1.2m · [England South West](https://tenderline.uk/tenders/supply-of-liquid-fuels-oils-england-south-west-lot-111-watson-fuels-limited-period-01-4-20-ocds-h6vhtk-033079)
5. **[Ministry of Defence](https://tenderline.uk/buyers/ministry-of-defence-gov-d17):** £185k · [Scotland South](https://tenderline.uk/tenders/supply-of-liquid-fuel-scotland-south-lot-104-ocds-h6vhtk-032d38)

## Contract Expiries & Upcoming Recompetes
- **Active Contracts Ending in 18 Months:** 0

## Competitive Supplier Intelligence
> **Full Win-Loss & Award Analysis:** Complete historical contract timelines, pricing movement benchmarks, buyer relationship networks, and competitor analysis are available on Tenderline:
> [View complete DIO public contract history on Tenderline](https://tenderline.uk/suppliers/dio-coh-sc223940#contract-history)

## Provenance and Open Data
- **Data Source:** Official award notices published under the Open Government Licence v3.0 on Find a Tender Service.
- **Canonical Profile:** https://tenderline.uk/suppliers/dio-coh-sc223940
- **Full Catalogue Machine Access:** https://tenderline.uk/llms.txt