SONAR LINK LTD
Company number 06147388 · Active · Norwich NR13 6SS
SONAR LINK LTD is an active private limited company (company number 06147388) incorporated on 8 March 2007, registered in Norwich. Its registered activity is other telecommunications activities (SIC 61900). Latest small accounts cover the period ending 31 March 2025, showing net assets of −£483k and cash of £6,360, with 2 employees on average. Net assets fell 25% on the prior period (−£387k).
By net assets it sits in the bottom quarter of 938 comparable companies in Other (median £4,478, upper quartile £50k).
Key dates
- Incorporated
- 8 March 2007
- Next accounts due
- 31 December 2026 — in 70 days
- Confirmation statement due
- 22 March 2027 — in 151 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 61900
- Other telecommunications activities
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 March 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | −£483k | £6,360 | — | £78k | — | −£96k | 2 |
| 31 March 2024 | −£387k | £6,360 | — | £72k | — | −£105k | 2 |
- Current ratio
- 0.09 — current liabilities exceed current assets
- Cash per employee
- £3,180
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 35/100 (grade D)
- -15 Negative net assets — Net assets £-483,238 at 2025-03-31
- -8 Current liabilities exceed current assets — Current ratio 0.09
- +8 Established — Incorporated 2007-03-08 (20 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Dr Hong Kwang Yeo — can appoint or remove directors · since 14 May 2025
- Mrs Qian Geng — owns 25–50% of shares; holds 25–50% of voting rights; holds 25–50% of voting rights; can appoint or remove directors · since 14 May 2025
- Dr Hong Kwang Yeo — owns 25–50% of shares · since 6 April 2016 · ceased 14 May 2025
- Mrs Qian Geng — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 17 October 2018 · ceased 14 May 2025
- Mdm Guixia Fan — owns 75–100% of shares · since 14 May 2025 · ceased 21 November 2025
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in the UK
Same activity (other telecommunications activities), closest in incorporation date.
- CRISP NETWORKING LIMITED — Aylesbury, inc. Feb 2007
- JACOBS CONSULTING LIMITED — King'S Lynn, inc. Feb 2007
- ZYGO INTERNATIONAL LIMITED — Poole, inc. Apr 2007
- TREKENNICK SERVICES LIMITED — Cornwall, inc. Apr 2007
- AVLUTION UK LIMITED — Herts, inc. Jan 2007
- 08 UK LTD — Llandudno, inc. Apr 2007
All companies incorporated on 8 March 2007 · in Mar 2007.
Reminders for SONAR LINK LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.