CompanyCore
UK company intelligence
Company profile report
Prepared 19 May 2026

TSQUARED S3 LIMITED

SC257333 · ltd · incorporated 2003-10-09

1. Company facts

Status
active
Lifecycle
🌳 Mature — Long-running with flat or slow growth. Steady cash, limited upside.
Jurisdiction
scotland
Registered office
Optimus Building 2 Robroyston Oval, Nova Technology Park, Glasgow, G33 1AP
SIC codes
43220 — Plumbing, heat and air-conditioning installation; 43999 — Other specialised construction activities n.e.c.
Accounts next due
2026-12-31
Confirmation statement next due
2026-10-23

2. Directors (4 active)

CALLAN, Dominic
director · appointed 2025-08-22 · born 9/1966 (age 60)
MCFARLANE, Mark
director · appointed 2025-08-22 · born 9/1983 (age 43)
SIMPSON, Alan Russell
director · appointed 2003-10-20 · born 10/1967 (age 59)
UPTON, Roger
director · appointed 2004-02-19 · born 10/1966 (age 60)

3. Shareholders (1 active)

Tsquared Group Limited
75-100% shares · 75-100% voting · board control

4. Group structure

Tsquared Group Limited is the ultimate parent — holding 75%+ shares. This company sits inside their group.

Tsquared Group Limited
Corporate parent · 75-100%

Headline verdict

Opportunity score
80/100 (Exceptional)
Owner dependency
moderate — 58/100
Red flags
0 high · 0 medium · 0 low