£2
No changevs Mar 2024Active14715400Private limited companyBristol
LONGWAVE AI LTD
Significant control: William John Ciaran Gilpin (25–50%), Evan Frank Wienburg (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Longwave AI Ltd sell?
Registered activity: Other business support service activities n.e.c. (SIC 82990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
LONGWAVE AI LTD is an active private limited company (company number 14715400) incorporated on 8 March 2023, registered in Bristol. Its registered activity is other business support service activities n.e.c. (SIC 82990). Latest small accounts cover the period ending 31 March 2025, showing net assets of £2, with 0 employees on average. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the lower half of 1,956 comparable companies in Bristol (median £4,100, upper quartile £45k).
02
Ownership and control
- Mr William John Ciaran Gilpin
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Evan Frank Wienburg
- 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.
03
Key dates
- Incorporated
- 8 March 20233 yrs ago
- Next accounts due
- 31 December 2026in 68 days
- Confirmation statement due
- 22 March 2027in 149 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 82990
- Other business support service activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
0
vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £2 | — | £2 | — | — | — | 0 |
| 31 March 2024 | £2 | — | £2 | — | — | — | 0 |
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 £2 at 31 March 2025
- Incorporated two to five years agoIncorporated 8 March 2023
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 149 days
- Next accounts duein 68 days
- Accounts period endNet assets £2 · small accounts
- Accounts period endNet assets £2 · small accounts
- Incorporated
08
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All companies incorporated on 8 March 2023 · in Mar 2023.
09
Reminders for LONGWAVE AI LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.