About Us

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A wealth of skills to provide your installation with the testing expertise it requires

 Our staff are fully experienced technicians with experience of Conventional Railway Signalling, Microlok Interlocking, TBTC/CBTC Moving block systems, Relay Interlocking and PMI. 

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Knowledge and professionalism

 All technicians are IRSE licenced and have vast experience in the fields of Functional, Verification and Maintenance Testing. We can provide London Underground AWC holders and Network Rail certificated personnel. 

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A diverse set of skills to cover any job

Experienced on M63, and Surelock Points, Track Circuits and Axle Counter systems. 

News

Functional Testing

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 Successful delivery of testing services to the Malaysia North Double Track Project 

Maintenance Testing

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 Jubilee, Northern and Piccadilly Maintenance Framework 

Contact Us

Drop us a line!

S&A Langley Limited

31 Shinglewell Road, Erith, DA8 1NF, United Kingdom

sandalangleyltd@gmail.com Phone: 01322 432550