Thomas_Sinden_LogoGEG2025 logo index

Established in 1991, Thomas Sinden provides construction services including refurbishment and new-build, mechanical and electrical, and building safety, across London and the South-east. Recent projects include the renovation and expansion of grade I-listed Gainsborough’s House Museum in Sudbury and the sustainable retrofit of the Quadrant House office building in Caterham.

Main data

Company type Contractor
Number of UK staff 140
Maximum days holiday (excl holiday purchases) 30
Hybrid working policy Yes
Average training hours per staff member per year 43.8
Number of staff on entry-level training schemes 28
Of those, how many apprentices 10
Female staff (%) 11
Staff from non-white ethnic background (%) 12
Offers private healthcare Some staff
Offers sabbaticals/career breaks Some staff
Offers enhanced maternity benefits No
Offers enhanced paternity benefits No
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 Yes
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