SUBSURFACE DATA MANAGEMENT CONSULTANTS LIMITED
Significant control: Christopher Bruce Hamley (50–75%), Margaret Fiona Hamley (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
What does Subsurface Data Management Consultants Limited sell?
Registered activity: Other professional, scientific and technical activities n.e.c. (SIC 74909). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
SUBSURFACE DATA MANAGEMENT CONSULTANTS LIMITED is an active private limited company (company number 08036833) incorporated on 18 April 2012, registered in Hayle. Its registered activity is other professional, scientific and technical activities n.e.c. (SIC 74909). Latest small accounts cover the period ending 31 March 2025, showing net assets of £269k and cash of £187k, with 1 employee on average. Net assets rose 12% on the prior period (£240k).
By net assets it sits in the top quarter of 7,714 comparable companies in Other (median £6,373, upper quartile £46k).
Ownership and control
- Mr Christopher Bruce Hamley
- owns 50–75% of shares
- Mrs Margaret Fiona Hamley
- owns 25–50% of shares
- holds 25–50% of voting rights
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
Key dates
- Incorporated
- 18 April 201214 yrs ago
- Next accounts due
- 31 December 2026in 70 days
- Confirmation statement due
- 2 May 2027in 192 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £269k | £187k | £25k | — | — | — | 1 |
| 31 March 2024 | £240k | £164k | £12k | — | — | — | 1 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Filing and accounts signals
- Net assets above zeroNet assets £268,964 at 31 March 2025
- Net assets up 10% or more on the prior period+11.9% vs prior period
- Cash at bank of £50,000 or moreCash £186,648
- Incorporated five or more years agoIncorporated 18 April 2012
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
Timeline
- Confirmation statement duein 192 days
- Next accounts duein 70 days
- Accounts period endNet assets £269k · small accounts
- Accounts period endNet assets £240k · small accounts
- Incorporated
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All companies incorporated on 18 April 2012 · in Apr 2012.
Reminders for SUBSURFACE DATA MANAGEMENT CONSULTANTS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.