£44k
−7%vs Mar 2024Active14019664Private limited companyLondon
SPARCK TECHNOLOGIES LTD
Significant control: Laura Kiessner (25–50%), Ralf Hanko Kiessner (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Sparck Technologies Ltd sell?
Registered activity: Manufacture of other special-purpose machinery n.e.c. (SIC 28990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SPARCK TECHNOLOGIES LTD is an active private limited company (company number 14019664) incorporated on 1 April 2022, registered in London. Its registered activity is manufacture of other special-purpose machinery n.e.c. (SIC 28990). Latest small accounts cover the period ending 31 March 2025, showing net assets of £44k and cash of £12k, with 8 employees on average. Net assets fell 7% on the prior period (£48k).
Peer position · net assets
By net assets it sits in the upper half of 99 comparable companies in London (median £2,645, upper quartile £139k).
02
Ownership and control
- Mrs Laura Kiessner
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Ralf Hanko Kiessner
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Kees Oosting
- has significant influence or control
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.
03
Key dates
- Incorporated
- 1 April 20224 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 15 April 2027in 174 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 28990
- Manufacture of other special-purpose machinery n.e.c.
- Accounts type
- Small
- Size band
- MicroCompanies Act thresholds
05
Financials
£12k
+115%vs Mar 2024Not reported
8
+14%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £44k | £12k | — | £544k | — | — | 8 |
| 31 March 2024 | £48k | £5,764 | — | £396k | — | — | 7 |
Current ratio1.08Current assets ÷ creditors within one year
Cash per employee£1,553Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £44,372 at 31 March 2025
- Incorporated two to five years agoIncorporated 1 April 2022
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.
07
Timeline
- Confirmation statement duein 174 days
- Next accounts duein 69 days
- Accounts period endNet assets £44k · small accounts
- Accounts period endNet assets £48k · small accounts
- Incorporated
08
Similar companies in London
- WHEELBOX TECH LIMITEDLondon · inc. May 2022
- ZIRCLAB UK LTDLondon · inc. May 2022
- BINA ROBOTICS LTDLondon · inc. Dec 2021
- INDUSTRIAL TECHNICAL HOLDINGS LTDLondon · inc. Aug 2022
- SITU PORTABLE MACHINES LTDLondon · inc. Oct 2021
- EVOLV REHABILITATION TECHNOLOGIES LTDLondon · inc. Sept 2021
All companies incorporated on 1 April 2022 · in Apr 2022.
09
Reminders for SPARCK TECHNOLOGIES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.