

Founded in 1972 in Surrey, Siderise is a global expert in passive fire solutions for the building envelope, and a specialist in high-performance acoustic and thermal solutions for facades and interiors, HVAC and industrial applications, and the rail and marine sectors. It has UK locations in Bridgend and Hadleigh, and its projects include 100 Liverpool Street in Broadgate and Twickenham Stadium.
Main data
Company type | Manufacturer |
Number of UK staff | 232 |
Maximum days holiday (excl holiday purchases) | 25 |
Hybrid working policy | Yes |
Average training hours per staff member per year | - |
Number of staff on entry-level training schemes | 1 |
Of those, how many apprentices | 0 |
Female staff (%) | 32 |
Staff from non-white ethnic background (%) | - |
Offers private healthcare | All staff |
Offers sabbaticals/career breaks | No |
Offers enhanced maternity benefits | All staff |
Offers enhanced paternity benefits | All staff |
ISO or B Corp certified | ISO |
Staff wellbeing
Physical – fitness classes, health measurement tools, health and nutrition advice | Yes |
Psychological – resilience programmes, mental health resources, flexible working policies | Yes |
Social – team days out, charity days, diversity and inclusion policies | Yes |
Staff surveys and focus groups | Yes |
Health and safety stats | Yes |
Employee assistance programme stats | No |
Stress audit | No |
HR data such as staff absences/sickness and staff turnover | Yes |
Aggregated health data | No |
Feedback from health champions | No |
Exit interviews | Yes |