P&B has a long established history, dating back more than 85 years of delivering cost effective, industry leading electrical power systems.
Today our experienced team of engineers and designers work with state-of-the-art technologies to deliver the highest quality British engineered solutions for our clients across the globe.
Our heritage
1932
‘P&B Engineering Company’ is established, Crawley, UK
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
1944
P&B pioneers the development of their P&B GOLD Electromechanical Thermal Overload Relay for Motor Protection, which today remains in service throughout the world. The P&B brand is firmly established as the Motor Protection Relay specialists.
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
1951
‘WM Shakeshaft Ltd’ is established, Manchester, UK
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
1954
‘Weir Electrical Instrument Company’ is established, Corsham, UK
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
1986
PBSI Group Ltd is formed with the merger of P&B Engineering Company and WM Shakeshaft Ltd
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
1992
PBSI Group acquires the Weir Electrical Instrument Company strengthening its offering of earthing and safety equipment with Weir’s instruments and protection relay range.
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
1997
P&B Relay production moves from Crawley and consolidates with the Manchester site
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
1998
Launch of Supervision range of Intelligent relays
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
2002
Supervision range revised as Vision
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
2003
Builds new 11,000 square foot switchgear factory
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
2007
P&B celebrates its 75th Birthday at Gorton Monastery a UNESCO heritage site
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
2008
P&B invest 500,000 GBP into new in-house production equipment
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
2011
P&B Launch the VOR-M retrofit, a vacuum medium voltage circuit breaker to replace old oil gear
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
2012
Reaches export milestone of 50,000 Motorvision relays
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
2013
P&B installs an office in Muscat, Oman
![arrow-down-6-xxl](https://www.pbsigroup.com/wp-content/uploads/2016/08/arrow-down-6-xxl.png)
2014
P&B establishes P&B Relays and Services in Pune, India