CompanyCore
UK company intelligence
Company profile report
Prepared 20 May 2026

3GB LIMITED

04993493 · ltd · incorporated 2003-12-12

1. Company facts

Status
active
Lifecycle
🌳 Mature — Long-running with flat or slow growth. Steady cash, limited upside.
Jurisdiction
england-wales
Registered office
Chandos House, School Lane, Buckingham, Bucks, MK18 1HD
SIC codes
42990 — Construction of other civil engineering projects n.e.c.
Accounts next due
2026-09-30
Confirmation statement next due
2025-12-26

2. Directors (2 active)

REDHOUSE, Sandra Irene
director · appointed 2021-05-25 · born 12/1948 (age 78)
WINKELMANN, Alan
director · appointed 2003-12-12 · born 4/1949 (age 77)

3. Shareholders (1 active)

Mr Alan Winkelmann
75-100% shares · 75-100% voting

Headline verdict

Opportunity score
72/100 (Strong)
Owner dependency
critical — 83/100
Red flags
1 high · 0 medium · 0 low