CompanyCore
UK company intelligence
Company profile report
Prepared 29 May 2026

TARMAC NORTHSTONE JV LIMITED

NI665659 · ltd · incorporated 2019-11-08

1. Company facts

Status
active
Lifecycle
🏛️ Established — Profitable, stable, 5+ years of trading. Classic SME profile.
Jurisdiction
northern-ireland
Registered office
99 Kingsway Dunmurry, Belfast, BT17 9NU, United Kingdom
SIC codes
42110 — Construction of roads and motorways; 42130 — SIC 42130; 42990 — Construction of other civil engineering projects n.e.c.
Accounts next due
2026-08-31
Confirmation statement next due
2026-11-21

2. Directors (2 active)

BUTTON, Ruth Sarah
director · appointed 2025-06-13 · born 7/1984 (age 42)
MCMILLAN, Darren
director · appointed 2026-04-03 · born 3/1972 (age 54)

3. Shareholders (2 active)

Northstone Materials Limited
25-50% shares · 25-50% voting
Tarmac Trading Limited
25-50% shares · 25-50% voting

4. Group structure

2 corporate shareholders identified. Group structure is distributed.

Northstone Materials Limited
Corporate parent · 25-50%
Tarmac Trading Limited
Corporate parent · 25-50%

Headline verdict

Opportunity score
66/100 (Strong)
Owner dependency
moderate — 58/100
Red flags
0 high · 2 medium · 0 low