CALCULUS TRADING SYSTEMS LTD
Significant control: Andrew Mann (25–50%), Anna Mann (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Calculus Trading Systems Ltd sell?
Registered activity: Management consultancy activities other than financial management (SIC 70229). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
CALCULUS TRADING SYSTEMS LTD is an active private limited company (company number 10329176) incorporated on 15 August 2016, registered in Bath. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest small accounts cover the period ending 31 August 2025, showing net assets of £94k and cash of £2,999, with 2 employees on average. Net assets fell 17% on the prior period (£114k).
By net assets it sits in the top quarter of 2,919 comparable companies in Bristol (median £5,683, upper quartile £37k).
Ownership and control
- Mr Andrew Mann
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mrs Anna Mann
- 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
- 15 August 201610 yrs ago
- Next accounts due
- 31 May 2027in 220 days
- Confirmation statement due
- 29 August 2027in 310 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 70229
- Management consultancy activities other than financial management
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £94k | £2,999 | — | £9,134 | — | — | 2 |
| 31 August 2024 | £114k | £17k | — | £7,983 | — | — | 2 |
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 £94,265 at 31 August 2025
- Current assets below creditors within one yearCurrent ratio 0.33
- Incorporated five or more years agoIncorporated 15 August 2016
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 310 days
- Next accounts duein 220 days
- Accounts period endNet assets £94k · small accounts
- Accounts period endNet assets £114k · small accounts
- Incorporated
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All companies incorporated on 15 August 2016 · in Aug 2016.
Reminders for CALCULUS TRADING SYSTEMS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.