CPV subcategory
90513800: Sludge treatment services
1 UK public contract under 90513800 ends in the next 18 months. Get the new tenders filed under it every weekday morning.
- 5
- Contracts since 2023
- 4
- Buyers
- 1
- Ending in 18 months
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1 contract under 90513800 ending in the next 18 months
The one ending soonest, with the supplier that holds it now. End dates come from the original award notices, so each one is a re-tender with a date on it.
| Contract | Buyer | Held by | Ends |
|---|---|---|---|
| SUPPORT AND MAINTENANCE SERVICES FOR THERMAL HYDROLYSIS PROCESS PLANT | Southern Water Services Limited | PBJ ENGINEERING SERVICE LTD | May 2027in 6 months |
What 90513800 covers
CPV code 90513800 is "Sludge treatment services", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 5 UK public contracts since 2023, awarded by 4 buyers, most often United Utilities Water Limited and Office for Environmental Protection. The typical contract was worth about £84k.
One of the 9,454 official CPV codes. Not sure it is the right one? Describe your work and the finder suggests the codes that match.
UK public contracts since 2023
How buyers use 90513800
- Contracts
- 5
- Buyers
- 4
- Typical value
- £84k
- Ending in 18 months
- 1
By year of award: 2023 0 · 2024 2 · 2025 1 · 2026 2. Figures as of 6 November 2026. Typical value is the median of single-supplier contracts with a published value (3).
Buyers using this code most
Suppliers winning most often
- 4Recycling Ltd2
- DTA Ecology Ltd1
- Drilling & Pumping Supplies Ltd1
- Framatome Limited1
Recent contracts under 90513800
| Contract | Buyer | Value | Awarded |
|---|---|---|---|
| Berkeley Site (FED Retrievals Project) | Nuclear Restoration Services Limited | £36k | Mar 20268 months ago |
| Treatment of Bio Resource (Sludge) | Scottish Water | £4.6m | Feb 20215 years 9 months ago |
| Treatment of Bio Resource (Sludge) | Scottish Water | £4.6m | Feb 20215 years 9 months ago |
| Treatment of Bio Resource (Sludge) | Scottish Water | Feb 20215 years 9 months ago |
Get the new tenders filed under 90513800Every weekday before 9am, 30 days free
Where it sits
Codes above 90513800
- 90000000Sewage, refuse, cleaning and environmental services
- 90500000Refuse and waste related services
- 90510000Refuse disposal and treatment
- 90513000Non-hazardous refuse and waste treatment and disposal services
- 90513800Sludge treatment services
See the whole market in environmental and waste services contracts, with buyers, suppliers and contracts ending soon.
More specific
Codes beneath 90513800
None. 90513800 is as specific as the vocabulary goes for sludge treatment services.
Questions
About CPV code 90513800
What is CPV code 90513800?
CPV code 90513800 is "Sludge treatment services", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 5 UK public contracts since 2023, awarded by 4 buyers, most often United Utilities Water Limited and Office for Environmental Protection. The typical contract was worth about £84k.
Which codes sit above and below 90513800?
90513800 sits under 90000000 (Sewage, refuse, cleaning and environmental services), then 90500000 (Refuse and waste related services), then 90510000 (Refuse disposal and treatment), then 90513000 (Non-hazardous refuse and waste treatment and disposal services). It has no more specific codes beneath it.
Who wins contracts under CPV code 90513800?
The suppliers named most often on UK public contracts under 90513800 since 2023 are 4Recycling Ltd (2), DTA Ecology Ltd (1), Drilling & Pumping Supplies Ltd (1). 4 different suppliers have won work under this code.
How do I get alerts for tenders using CPV code 90513800?
Add 90513800 to a Tender Radar profile, with keywords that describe your work. Each weekday morning you get the new UK public sector notices that match, scored for fit. Because codes cover the codes beneath them, adding 90513800 also catches notices classified under its more specific codes.
How to cite this data
Tender Radar (2026) CPV code 90513800: Sludge treatment services [Dataset]. Professor AI. Available at: https://tender-radar.co.uk/cpv-codes/90513800-sludge-treatment-services (Accessed: 8 November 2026).
Relative dates (such as “in 6 days”) count from 8 November 2026, when this page was built.
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