Public sector supplier

The Decommissioning Alliance II public sector contracts

The Decommissioning Alliance II appears as a named supplier on 19 UK public sector contracts awarded since 2023.

14 of those were awarded in the last twelve months.

Its most frequent public sector customer is Sellafield Limited, with 13 contracts, and it has supplied 4 buying organisations in total.

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14
Contracts, last 12 months
19
Contracts since 2021
4
Public sector buyers
£1.3m
Median contract won outright
12
Expiring in 18 months

These figures count published award notices from January 2021 onward, the point at which this database begins, and are comprehensive only from 2023. Contracts awarded before then, and any work not published as a public award notice, do not appear. This is a record of published contracts, not of turnover. Most recent award recorded 10 Jun 2026.

Coming up for renewal

12 contracts expiring in the next 18 months

Each of these is a contract The Decommissioning Alliance II currently holds with an end date already published. If you compete with them, this is where the openings are. If you are the buyer, it is your renewal diary.

Overview

Most of that work falls under architecture and engineering.

All of these were awarded to it as the only named supplier.

Among the contracts it won outright where a value was published, the median is £1.3m.

12 of its contracts are due to end within the next eighteen months.

Contracts won per quarter

Q4 2513Q2 261

Recent activity

Latest contracts won

Where a contract names more than one supplier it is usually a framework. The published value is the ceiling for the whole framework, shared by everyone on it, not the amount awarded to The Decommissioning Alliance II.

Who they supply

Most frequent buyers

  1. 01Sellafield Limited13 contracts
  2. 02The Decommissioning Alliance3 contracts
  3. 03CA20 1PG2 contracts
  4. 04The Decommissioining Alliance1 contract

The CPV codes on this work

The codes buyers used when they awarded this work. Each one shows the whole UK market for it: who buys, who wins, and which contracts end soon.

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Common questions

The Decommissioning Alliance II, in short

Which public sector organisations does The Decommissioning Alliance II supply?

Across 19 contracts recorded since 2021, The Decommissioning Alliance II has supplied 4 UK public sector buyers. The most frequent are Sellafield Limited (13 contracts), The Decommissioning Alliance (3 contracts), CA20 1PG (2 contracts).

What does The Decommissioning Alliance II supply to the public sector?

Its contracts fall mainly under architecture and engineering, community and personal services, construction works. Categories are derived from the CPV codes published on each award notice.

How many public sector contracts has The Decommissioning Alliance II won?

19 since 2021, of which 19 were awarded to it as the only named supplier and 0 are shared with other suppliers, usually a place on a framework. This counts award notices published to Find a Tender and Contracts Finder, so it is a record of published awards rather than of total revenue.

When do The Decommissioning Alliance II contracts come up for renewal?

12 contracts held by The Decommissioning Alliance II have an end date within the next 18 months, the earliest on 25 Sept 2026. End dates are published in the original award notices, so they are visible well before any re-tender is advertised.

Where does this information about The Decommissioning Alliance II come from?

From contract award notices published by the buyers themselves to Find a Tender and Contracts Finder under the Open Government Licence. Coverage starts in 2021 and is comprehensive from 2023, so contracts awarded before then, and any award not published to those portals, will not appear.

Contract data on this page is sourced from Find a Tender and Contracts Finder and published under the Open Government Licence v3.0. Contains public sector information licensed under that licence. Figures cover contract award notices published from January 2021 onward, with comprehensive coverage from 2023. Earlier contracts, and any award not published to Find a Tender or Contracts Finder, will not appear. This page describes contracts published by public bodies and is not affiliated with The Decommissioning Alliance II.