In-house cleaning vs external provider: which option for a local authority?
Many local authorities face the question: should we clean our buildings in-house (municipal staff) or outsource to a private provider? Each option has its advantages. In-house ensures social control and team stability. Outsourcing brings flexibility, expertise, and budget control. This data-driven comparison helps decide based on 12 key criteria observed in 500 French municipalities.
| Feature | Maître AO | Municipal in-house |
|---|---|---|
| Annual cost per m²★ | €8-14/m²/year (outsourced) | €12-18/m²/year (in-house) |
| Staffing flexibility★ | High (adaptable contracts) | Low (civil service status) |
| Specialized technical expertise | Generalist | |
| Equipment and technology | Regularly renewed | Limited by capex budget |
| Eco-labeled products guaranteed | Depends on budget | |
| Peak activity handling | Flexible (temporary reinforcement) | Difficult (status) |
| Continuity during absences | Contractual replacement guarantee | Depends on internal pool |
| Independent quality control | Yes (external auditor) | Internal self-check |
| Salary / working conditions★ | Cleaning collective agreement | Civil service status (protective) |
| Procurement to renew | Every 3-4 years | None |
| Social insertion (IAE clauses) | Possible via clause | Limited |
| Budget transparency | Very high (contractual BPU) | Diluted in payroll |
| Adaptability to needs change | Fast (contract amendment) | Slow (reassignment) |
Municipal in-house strengths
- Full social control (public collective agreement)
- Team stability (tenured civil servants)
- Intimate knowledge of buildings and staff
- Immediate responsiveness (on-site staff)
- No heavy public procurement procedure
Municipal in-house weaknesses
- 20-40% higher annual cost than outsourcing
- Difficulty adjusting staff numbers (civil service status)
- Turnover on retirements (closed recruitment pool)
- Low technical specialization (limited external training)
- Often inferior equipment (limited capex budget)
- Difficulty handling exceptional peaks (events, deep cleaning)
Our verdict
Both options have their legitimacy depending on context. In-house remains relevant for very small municipalities (< 2,000 inhabitants) where volumes are insufficient to interest a serious provider, and for local authorities with strong social culture. Outsourcing is economically unbeatable from 5,000 m² upwards: 25-35% annual savings, operational flexibility, specialized expertise, renewed equipment. The optimal compromise for many medium-sized local authorities: in-house for 1-2 emblematic buildings (central town hall) + outsourcing for the rest of the portfolio. In either case, the choice must be rigorously costed on full costs (salaries + charges + management + equipment + training + capex).
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