

ABOUT US
SIR is a privately owned, multidisciplinary engineering business founded in 2021, employing over 50+ staff & operatives covering the south of England and Midlands. At SIR we are committed to continually challenging traditional construction convention, driving innovation and safety, while embracing change and working in partnership with our clients.

We have the expertise and experience to assist main contractors & projects from GRIP 1 through to GRIP 8
We excel in delivering optimal results during the rail GRIP Stage 6 - Construction, Test, and Commissioning phase. Leveraging our expertise and experience, we meticulously execute construction activities, ensuring adherence to project specifications and safety standards. Our comprehensive testing protocols guarantee the functionality and reliability of railway systems, while our meticulous commissioning process ensures seamless integration and operational readiness.
RAIL SPECIALISTS
GRIP Stage 6 & Construction

OUR CERTIFICATIONS
Recognising the importance of being a reliable supplier to tier 1 contractors and clients within the railway industry, we acknowledge the necessity of undergoing audits by the relevant regulatory bodies.



CONTACT US
GET IN TOUCH
Require our expertise or need a team to carry out work on your project? Fill out the contact form or call us on 07950638681
OUR OFFICE
Suite G04
1 Quality Court
Chancery Lane
London
WC2A 1HR
CONTACT FORM
INVITE US TO TENDER
Interested in us tendering for your projects? Please contact 07950638681 to send us the BOQ, Drawings or Activity Schedule and cover letter.
We cover most parts of the South, including:
LONDON
SOUTH EAST
EAST ENGLAND
MIDLANDS
