CALIBRATED GEOSCIENCE UK LTD.
Significant control: Timothy James Stephen Sykes (50–75%), Anna Kathryn Porter (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Calibrated Geoscience UK Ltd. sell?
Registered activity: Support activities for petroleum and natural gas mining (SIC 09100). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
CALIBRATED GEOSCIENCE UK LTD. is an active private limited company (company number 11249840) incorporated on 12 March 2018, registered in York. Its registered activity is support activities for petroleum and natural gas mining (SIC 09100). Latest small accounts cover the period ending 31 March 2025, showing net assets of £2,719 and cash of £26k, with 1 employee on average. Net assets fell 86% on the prior period (£19k).
By net assets it sits in the lower half of 420 comparable companies in Other (median £9,697, upper quartile £48k).
Ownership and control
- Dr Timothy James Stephen Sykes
- owns 50–75% of shares
- holds 50–75% of voting rights
- can appoint or remove directors
- Ms Anna Kathryn Porter
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Ms Anna Kathryn Porter
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
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
- 12 March 20188 yrs ago
- Next accounts due
- 31 December 2026in 68 days
- Confirmation statement due
- 26 March 2027in 153 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 09100
- Support activities for petroleum and natural gas mining
- 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 | £2,719 | £26k | £363 | £6,882 | — | — | 1 |
| 31 March 2024 | £19k | £37k | £7,307 | £5,469 | — | — | 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 £2,719 at 31 March 2025
- Net assets down 25% or more on the prior period-85.7% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 3.8
- Incorporated five or more years agoIncorporated 12 March 2018
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 153 days
- Next accounts duein 68 days
- Accounts period endNet assets £2,719 · small accounts
- Accounts period endNet assets £19k · small accounts
- Incorporated
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All companies incorporated on 12 March 2018 · in Mar 2018.
Reminders for CALIBRATED GEOSCIENCE UK LTD.
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