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Original Equipment Manufacturer (OEM) to Alternative Equipment Manufacturer (AEM) Engineering Services Framework

Transport for London · Public undertaking

In brief

Transport for London has announced plans to buy architecture and engineering and consultancy work. This is an early notice: there is nothing to bid on yet, but it tells you a tender may follow.

It is a framework worth up to £4,500,000 excluding VAT: the most the buyer expects to spend across all suppliers, not one contract.

The contract runs for 4 years, starting 1 July 2027.

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

Can I win this?

Competition

Usually low: a median of 2 bids per contract for this buyer (from 72 awards in the last 12 months).

Framework

Winning puts you on a list of suppliers the buyer can call on; it does not guarantee work. The £4,500,000 is the most the buyer expects to spend across all suppliers over the framework's life, not one contract.

What the notice says

Procurement of a Framework for the provision of end-to-end engineering services, including design assurance, validation through prototype sourcing and testing, support to competitive tendering, and quality engineering support for the mass production of reverse-engineered components. The purpose of the framework is to deliver financial savings to TfL by enabling alternative and competitive sources of supply for London Underground rolling stock components. This engagement mirrors the "Alternative Equipment Manufacturer Framework" Notice published by TfL on 11 June 2026 (2026/S 000-056077). It was identified that the procurement title could be misleading, as this engagement is not intended to procure manufacturers of goods and as such the title has been revised. If you have already responded to the previous UK2: Preliminary Market Engagement Notice, there is no need to submit a further response. Your previous submission has been retained and will be considered alongside any responses received to this revised notice.

How to bid

  1. Read the full notice on Find a Tender, including any tender documents it links to.
  2. Register your organisation on the Central Digital Platform (through Find a Tender) if you have not already. Suppliers need to be registered to take part in procurements under the Procurement Act 2023.
  3. Follow the submission instructions in the notice; it does not name an e-tendering portal.

Timeline

  1. Preliminary market engagement notice · UK2, notice 055428-2026
  2. Preliminary market engagement notice · UK2, notice 056077-2026
  3. Preliminary market engagement notice · UK2, notice 057295-2026

About the buyer

Transport for LondonLast 12 months

Procurements

377

Awards

150

Suppliers it has used most for architecture and engineering

All tenders and awards from Transport for London

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From notice 055428-2026 on Find a Tender, first published 11 June 2026, last updated 17 June 2026. We last checked for changes on 28 September 2026.