£275k
+40%vs Mar 2024Active09716973Private limited companyLondon
SEALSIXTY LTD
Significant control: Sinan Bulluroglu (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Coming soon · product and service lists
What does Sealsixty Ltd sell?
Registered activity: Other building and industrial cleaning activities (SIC 81229). We’re building product and service lists for UK companies. Get this one when it’s ready.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
SEALSIXTY LTD is an active private limited company (company number 09716973) incorporated on 4 August 2015, registered in London. Its registered activity is other building and industrial cleaning activities (SIC 81229). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £275k, with 4 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 40% on the prior period (£197k).
Peer position · net assets
By net assets it sits in the top quarter of 141 comparable companies in London (median £2,056, upper quartile £14k).
02
Ownership and control
- Mr Sinan Bulluroglu
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Sinan Bulluroglu
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Ian Victor Prizeman
- 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
- 4 August 201511 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 18 August 2027in 299 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 81229
- Other building and industrial cleaning activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
4
−20%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £275k | — | — | — | — | — | 4 |
| 31 March 2024 | £197k | — | — | — | — | — | 5 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £275,353 at 31 March 2025
- Net assets up 10% or more on the prior period+40.1% vs prior period
- Incorporated five or more years agoIncorporated 4 August 2015
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 299 days
- Next accounts duein 69 days
- Accounts period endNet assets £275k · micro accounts
- Accounts period endNet assets £197k · micro accounts
- Incorporated
08
Similar companies in London
- HEATRUSH PLUMBING LTDLondon · inc. Sept 2015
- PIONEER CONCEPTS SERVICE LTD.London · inc. Jun 2015
- BUILD IT PROPERTY SERVICES LTDLondon · inc. Nov 2015
- YL SERVICES LTDLondon · inc. Feb 2016
- MAIDA HILL LIMITEDLondon · inc. Nov 2014
- AMTEC CLEANING SERVICES LIMITEDLondon · inc. Apr 2016
All companies incorporated on 4 August 2015 · in Aug 2015.
09
Reminders for SEALSIXTY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.