Source: https://tendernation.io/suppliers/tda

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Supplier profile

# TDA

Public sector contracts won, from published award notices

Large business

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Contracts won

8

since 8 Mar 2018

Total awarded

£10,938,049

where values were published

Buyers

3

public bodies

Latest win

30 Oct 2025

##  Recent contract awards

- [Decommissioning Nuclear Waste Partnership (DNWP)](https://tendernation.io/opportunities/01a13bb1-b5d1-7148-925a-91df8ee13a04/decommissioning-nuclear-waste-partnership-dnwp)[Sellafield Limited](https://tendernation.io/buyers/sellafield-limited)

    Value not counted: framework or estimated ceiling

    30 Oct 2025
- [TN0167 AVDS Trials and PM Support for the SH&amp;EP Project](https://tendernation.io/opportunities/01a13cbc-601a-7195-8cc7-55636481af3a/tn0167-avds-trials-and-pm-support-for-the-shep-project)[The Decommissioning Alliance](https://tendernation.io/buyers/the-decommissioning-alliance)

    £206,233

    21 Jun 2023
- [DDP LOT 2 - TN0165 - PFSP Pond Preparation](https://tendernation.io/opportunities/01a13cae-841c-72b1-a697-3960dff92373/ddp-lot-2-tn0165-pfsp-pond-preparation)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd)

    £283,561

    31 Mar 2023
- [LTP (TBC)/DDP 0066/FGMSP/Radiation Protection Support 2018/19](https://tendernation.io/opportunities/01a13c22-1dee-72fd-a442-cf5d3527135a/ltp-tbcddp-0066fgmspradiation-protection-support-201819)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd)

    £212,266

    15 May 2018
- [DDP0052/CTM ID TBC/FGMSP/Refurbish / Replace Demineralised Water Supply System](https://tendernation.io/opportunities/01a13c2c-78de-7307-b846-e7b99768299b/ddp0052ctm-id-tbcfgmsprefurbish-replace-demineralised-water-supply-system)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd)

    £1,463,061

    15 May 2018
- [DDP0059/CTM ID TBC/FGMSP/Inlet Building Starcase](https://tendernation.io/opportunities/01a13c27-4efd-72a5-a4ab-78fc78a0b927/ddp0059ctm-id-tbcfgmspinlet-building-starcase)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd)

    £122,796

    15 May 2018
- [LTP (TBC)/DDP0074/FGMSP/Commissioning Support FY 18/19](https://tendernation.io/opportunities/01a13c2c-0430-73e9-a059-1a7b6769b584/ltp-tbcddp0074fgmspcommissioning-support-fy-1819)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd)

    £4,403,729

    15 May 2018
- [DDP0051/CTM ID TBC/FGMSP/Replace Main Building Compressed Air &amp; Instrument Air Supply System](https://tendernation.io/opportunities/01a13c2a-3dd5-7144-8e27-ea3388aee175/ddp0051ctm-id-tbcfgmspreplace-main-building-compressed-air-instrument-air-s)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd)

    £4,246,402

    8 Mar 2018

## Who they win from

- [Sellafield Ltd6 wins](https://tendernation.io/buyers/sellafield-ltd)
- [The Decommissioning Alliance1 win](https://tendernation.io/buyers/the-decommissioning-alliance)
- [Sellafield Limited1 win](https://tendernation.io/buyers/sellafield-limited)

## What they win

- [Construction work](https://tendernation.io/sectors/construction-work)2
- [Business services](https://tendernation.io/sectors/business-services)1
- [Mining &amp; construction machinery](https://tendernation.io/sectors/mining-construction-machinery)1
- [Sewage, refuse, cleaning &amp; environmental](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental)1
- [Public utilities](https://tendernation.io/sectors/public-utilities)1
- [Construction materials &amp; structures](https://tendernation.io/sectors/construction-materials)1

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