CompanyCore
UK company intelligence
Company profile report
Prepared 02 May 2026
A1 BUILDING SERVICES (UK) LIMITED
04429861 · ltd · incorporated 2002-05-02
1. Company facts
- Status
- active
- Lifecycle
- 🌳 Mature — Long-running with flat or slow growth. Steady cash, limited upside.
- Jurisdiction
- england-wales
- Registered office
- 18 High West Street, Dorchester, Dorset, DT1 1UW
- SIC codes
- 43999 — Other specialised construction activities n.e.c.
- Accounts next due
- 2027-01-31
- Confirmation statement next due
- 2026-05-16
2. Directors (2 active)
- MULLEN, Ian Stuart
- director · appointed 2002-05-02 · born 7/1967 (age 59)
- MULLEN, Tracy Jane
- director · appointed 2005-06-01 · born 10/1972 (age 54)
3. Shareholders (2 active)
- Mrs Tracy Jane Mullen
- 50-75% shares · 50-75% voting
- Mr Ian Stuart Mullen
- 25-50% shares · 25-50% voting
Headline verdict
- Opportunity score
- 80/100 (Exceptional)
- Owner dependency
- critical — 84/100
- Red flags
- 0 high · 0 medium · 0 low