SPI

SPI designs, manufactures, installs and maintains signage from Greater Manchester for clients across the UK. It describes itself as an ISO-certified principal contractor, able to take responsibility for installation sites.

Its office and workshop are at The Mill Industrial Estate on Bury New Road, Bolton. Inquiries go by phone or email. It is ISO 9001, ISO 14001 and ISO 45001 certified, and its team has more than 250 years of combined experience.