CompanyCore
UK company intelligence
Company profile report
Prepared 28 July 2026
COSTAIN UPSTREAM LIMITED
SC336371 · ltd · incorporated 2008-01-18
1. Company facts
- Status
- active
- Lifecycle
- 🌳 Mature — Long-running with flat or slow growth. Steady cash, limited upside.
- Jurisdiction
- scotland
- Registered office
- Neo House, Riverside, Aberdeen, AB11 7LH, Scotland
- SIC codes
- 71121 — Engineering design activities for industrial process and production
- Accounts next due
- 2027-09-30
- Confirmation statement next due
- 2027-01-26
2. Directors (5 active)
- MORRIS, Paul Anthony
- director · appointed 2026-05-21 · born 4/1974 (age 52)
- MUMFORD, Peter Leslie
- director · appointed 2026-05-21 · born 7/1980 (age 46)
- TAYLOR, Susannah Natalie
- director · appointed 2026-05-21 · born 7/1975 (age 51)
- WILLCOCK, Jonathan Kevin
- director · appointed 2026-05-21 · born 8/1976 (age 50)
- WILLIS, Helen Margaret
- director · appointed 2026-05-21 · born 1/1964 (age 62)
3. Shareholders (1 active)
- Costain Limited
- 75-100% shares · 75-100% voting · board control
4. Group structure
Costain Limited is the ultimate parent — holding 75%+ shares. This company sits inside their group.
- Costain Limited
- Corporate parent · 75-100%
5. Security
2 total charges (0 outstanding, 2 satisfied).
Headline verdict
- Opportunity score
- 77/100 (Strong)
- Owner dependency
- moderate — 48/100
- Red flags
- 0 high · 1 medium · 0 low