DB ESG, TfL & Siemens: Piccadilly Line QA for London’s Rail Upgrade
DB ESG secures contract for independent **quality assurance** on TfL’s new Piccadilly line trains, ensuring high **railway** standards during manufacturing and testing phases.

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Introduction
DB ESG, in partnership with DB Systemtechnik, has been selected by Transport for London (TfL) to provide independent quality assurance services for the new Piccadilly line train fleet, which Siemens Mobility is currently manufacturing. The project is part of TfL’s major upgrade programme.
Quality Assurance Services
DB ESG will provide comprehensive quality surveillance throughout the design, build, and testing phases of the project. This ensures that all manufacturing processes and deliverables adhere to the agreed standards. DB ESG’s in-house rolling stock experts will oversee all quality assurance aspects of production, supported by DB Systemtechnik’s inspection specialists.
Project Scope and Manufacturing
The new fleet consists of 94 trains and is part of the Piccadilly Line Upgrade. Siemens Mobility is manufacturing the trains at its European facilities. DB Systemtechnik’s inspection specialists have extensive experience conducting similar work at Siemens sites.
Operational Oversight
As the appointed Quality Assurance Service Provider, DB ESG will observe, supervise, and verify key manufacturing, inspection, and testing activities. These independent checks will enable early identification of defects or deviations, facilitating timely corrective measures to maintain schedule reliability and cost control.
Expert Commentary
Nick Goodhand, Managing Director at DB ESG, stated that having local teams in both the UK and the EU offers significant benefits. These benefits include availability, local language skills, and in-depth knowledge of facilities and processes. Christoph Kirschinger, Managing Director, Sales at DB Systemtechnik, added that their expertise enables them to contribute effectively, ensuring the highest quality standards throughout the project.
Conclusion
The collaboration between DB ESG and DB Systemtechnik provides TfL with an additional layer of assurance as production of the new fleet progresses. The Piccadilly Line Upgrade is a key part of TfL’s long-term investment strategy to modernise London’s Underground network.
Company Summary
DB ESG: DB ESG is providing independent quality assurance services for the new Piccadilly line train fleet.
DB Systemtechnik: DB Systemtechnik is collaborating with DB ESG on the project, providing inspection specialists to support quality assurance.
Siemens Mobility: Siemens Mobility is manufacturing the new fleet of trains for the Piccadilly Line Upgrade.
Transport for London (TfL): TfL has appointed DB ESG to provide quality assurance services for the new Piccadilly line train fleet as part of its major upgrade programme.
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