

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 |














