Capital Rules for a Single-Member SRL
The key difference between a single-member SRL and a multi-member SRL is the capital payment rule at formation.
Multi-member founders pay only 25% of cash contributions at subscription (Art. 2464 §4 CC). When an SRL is formed by a single founder via a unilateral act, 100% of cash contributions must be paid in at subscription (Art. 2464 §4 CC). No deferral is permitted.
The minimum share capital is €1 for a reduced-capital SRL (Art. 2463 CC), with a standard threshold of €10,000 (Art. 2463 §2 n.4). The SRL share capital requirements page covers reduced-capital mechanics in full.
Table A: Single-Member SRL vs. Multi-Member SRL vs. SRLS
| Feature | Single-Member SRL | Multi-Member SRL | SRLS |
|---|
| Capital at formation | 100% | 25% | 100% |
| Minimum capital | €1; standard €10,000 | €1; standard €10,000 | €1–€9,999 |
| Shareholder type | Person or legal entity | Person or legal entity | Natural persons only (Art. 2463-bis) |
| Formation deed | Atto unilaterale | Atto costitutivo | Standard bylaws; no notary fee |
| "Unico socio" on docs | Mandatory (Art. 2250 §4) | Not applicable | Mandatory (Art. 2250 §4) |
| Register filing | Within 30 days | Not applicable | Within 30 days |
| Insolvency liability | Unlimited if Art. 2462 §2 breached | Pro-rata, limited | Unlimited if Art. 2462 §2 breached |
Sources: Art. 2462, 2463, 2463-bis, 2464, 2470, 2250 §4 CC.
For a detailed comparison, see how the single-member SRL differs from the SRLS.
The 90-Day Rule When an Existing SRL Becomes Single-Member
When a multi-member SRL loses its plurality (one member acquires all quotas), Art. 2464 last para. CC requires that any outstanding capital contributions be settled in full within 90 days of the ownership change. This is the most common compliance trap for foreign buyers acquiring 100% of an existing Italian SRL.
Table B: When Plurality Is Lost
| Obligation | Deadline |
|---|
| Pay outstanding capital (Art. 2464) | 90 days |
| File sole-shareholder declaration (Art. 2470) | 30 days |
| Add "unico socio" to all documents (Art. 2250 §4) | Immediate |
| Record sole-shareholder contracts (Art. 2478 §3) | Before any creditor attachment |