BTSL INSTRUMENTATION & CALIBRATION LTD
Significant control: William Brian Harrison (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Btsl Instrumentation & Calibration Ltd sell?
Registered activity: Engineering design activities for industrial process and production (SIC 71121). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
BTSL INSTRUMENTATION & CALIBRATION LTD is an active private limited company (company number 12967995) incorporated on 22 October 2020, registered in Liverpool. Its registered activity is engineering design activities for industrial process and production (SIC 71121). Latest abridged accounts cover the period ending 31 October 2025, showing net assets of £3,020 and cash of £9,029, with 1 employee on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 86% on the prior period (£22k).
By net assets it sits in the upper half of 155 comparable companies in Liverpool (median £2,988, upper quartile £29k).
Ownership and control
- Mr William Brian Harrison
- owns 75–100% of shares
- holds 75–100% 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
- 22 October 20206 yrs ago
- Next accounts due
- 31 July 2027in 276 days
- Confirmation statement due
- 5 November 2026in 8 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 71121
- Engineering design activities for industrial process and production
- Accounts type
- Unaudited Abridged
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £3,020 | £9,029 | £16k | £26k | — | — | 1 |
| 31 October 2024 | £22k | £18k | £19k | £15k | — | — | 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 £3,020 at 31 October 2025
- Net assets down 25% or more on the prior period-86.3% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.98
- Incorporated five or more years agoIncorporated 22 October 2020
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
- Next accounts duein 276 days
- Confirmation statement duein 8 days
- Accounts period endNet assets £3,020 · abridged accounts
- Accounts period endNet assets £22k · abridged accounts
- Incorporated
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All companies incorporated on 22 October 2020 · in Oct 2020.
Reminders for BTSL INSTRUMENTATION & CALIBRATION LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.