Closed

MSSS Boxes Procurement

Sellafield Limited · Public body

In brief

Sellafield Limited was looking for suppliers for this contract. Bidding has closed and no award has been published yet.

The estimated value is £90,000,000 excluding VAT.

The contract runs for 7 years, starting 26 July 2027.

It is split into 4 lots, so a supplier can bid for part of the work.

The buyer says it is suitable for small and medium-sized businesses.

Built from the notice's own fields. Always check the official notice before you bid.

What the notice says

Procurement for the manufacture and supply of MSSS (Magnox Swarf Storage Silo) Box assemblies. Please refer to Sections 1 & 2 of the ITT Template CFP Document for further information.

Lots

LotTradeValue
Outer Box
26 July 2027 to 25 July 2034
What this lot covers

Outer Box: £35M-£41M

—£41,000,000
MSSS - Skip
26 July 2027 to 25 July 2034
What this lot covers

MSSS - Skip: £27M-£32M

—£32,000,000
Box & Skip Lids
26 July 2027 to 25 July 2034
What this lot covers

Box & Skip Lids Range: £14-£17M

—£17,000,000
Lot 4 - test purposes only
26 July 2027 to 25 July 2034
What this lot covers

Lot 4 - TEST PURPOSES ONLY. This Lot has been created as a test, please note there are only 3 Lots in this procurement

—£0.01

Timeline

  1. Preliminary market engagement notice · UK2, notice 003310-2026
  2. Preliminary market engagement notice · UK2, notice 030504-2026
  3. Preliminary market engagement notice · UK2, notice 032525-2026
  4. Tender notice · UK4, notice 047818-2026
  5. Tender notice · UK4, notice 052570-2026
  6. Tender notice · UK4, notice 063434-2026
  7. Tender notice · UK4, notice 064143-2026

About the buyer

From notice 003310-2026 on Find a Tender, first published 15 January 2026, last updated 8 July 2026. We last checked for changes on 28 September 2026.