Supplier

The Decommissioning Alliance II

The Decommissioning Alliance II has won 12 UK public contracts worth £20.9m since 19 Dec 2025. See its competitors in community & personal services.

Based in North WestFirst contract 19 Dec 2025Latest contract 23 Dec 2025

Contracts: 12
Published value: £20.9mwhere stated
Without competition: 0%0 contracts
Won by SMEs: —size not published

Contracts won per month, last 24 months 12 contracts · busiest month December 2025

01020

Nov 24
Feb 25
May 25
Aug 25
Nov 25
12
Feb 26
May 26
Aug 26

Biggest customers

Sellafield Ltd 10 contracts · £14.9m
CA20 1PG 2 contracts · £5.98m

What they supply

Community & personal services 7 contracts · £13.4m
Architecture & engineering 2 contracts · £1.96m
Business services 1 contract · £4.51m
Real estate services 1 contract · £525k
Construction work 1 contract · £514k

Competitors in community & personal services

Sector overview

AtkinsAltrad 22 contracts · £34.4m
ELIS UK Limited 10 contracts · £35m
Amentum Clean Energy Limited 6 contracts · £3.16m
Shifting Your Mindset SME 4 contracts · £90.6m
The Salvation Army 4 contracts · £20.4m
Facultatieve Technologies Ltd 4 contracts · £3.01m

These are the suppliers with the most community & personal services contracts in the last two years, which is where The Decommissioning Alliance II wins most of its work. They are not necessarily bidding for the same contracts. See the whole sector.

All contracts won by The Decommissioning Alliance II

Contracts won by The Decommissioning Alliance II
Date	Contract	Buyer	Value
23 Dec 2025	DNWP0002.142/LOT 2/Digital Support	Sellafield Ltd	£209k
23 Dec 2025	DNWP0010.170/LOT 2/Engineering Support 25/26	CA20 1PG	£4.23m
23 Dec 2025	DNWP0001/LOT 2/Mobilisation Core Team	Sellafield Ltd	£478k
23 Dec 2025	DNWP006.097/LOT2/TIS Storage Facility	Sellafield Ltd	£525k
23 Dec 2025	DNWP0011.171/LOT 2/Operations Support 25/26	CA20 1PG	£1.75m
23 Dec 2025	DNWP003.162/LOT2/Rapid Task Delivery - Change Management	Sellafield Ltd	£374k
23 Dec 2025	DNWP007.153/LOT2/Waste Management Support	Sellafield Ltd	£1.1m
23 Dec 2025	DNWP004.168/LOT2/Value Propositions	Sellafield Ltd	£712k
19 Dec 2025	DNWP0012.172/LOT 2/Management Core Team	Sellafield Ltd	£5.41m
19 Dec 2025	DNWP009.161/LOT 2/Commissioning Support	Sellafield Ltd	£4.51m
19 Dec 2025	DNWP005.047/LOT2/Asset Care Integrated Task Team	Sellafield Ltd	£514k
19 Dec 2025	DNWP013.165/LOT2/PFSP Pond Preparation	Sellafield Ltd	£1.07m

Contracts are matched to this supplier by company name as published in each notice. If a company appears under slightly different names, some of its contracts may be listed separately. How matching works.