CompanyCore
UK company intelligence
Company profile report
Prepared 29 May 2026
123UPVC LIMITED
06088813 · ltd · incorporated 2007-02-07
1. Company facts
- Status
- active
- Lifecycle
- 🌳 Mature — Long-running with flat or slow growth. Steady cash, limited upside.
- Jurisdiction
- england-wales
- Registered office
- The Prince Of Wales Marsh Lane, Marsh, Aylesbury, HP17 8SR, England
- SIC codes
- 41202 — Construction of domestic buildings
- Accounts next due
- 2026-12-31
- Confirmation statement next due
- 2026-12-17
2. Directors (2 active)
- SINCLAIR, Julie Lynette
- director · appointed 2025-12-07 · born 12/1970 (age 56)
- SINCLAIR, Stephen
- director · appointed 2025-12-07 · born 12/1956 (age 70)
3. Shareholders (2 active)
- Mr Stephen Sinclair
- 50-75% shares · 50-75% voting · board control
- Mrs Julie Lynette Sinclair
- 25-50% shares
Headline verdict
- Opportunity score
- 75/100 (Strong)
- Owner dependency
- critical — 81/100
- Red flags
- 0 high · 1 medium · 0 low