£100
1 period on recordActive15534592Private limited companyLondon
K1S1 LTD
Significant control: Krzysztof Smuniewski (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for K1s1 Ltd: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does K1s1 Ltd sell?
Registered activity: Other building completion and finishing (SIC 43390). 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
K1S1 LTD is an active private limited company (company number 15534592) incorporated on 1 March 2024, registered in London. Its registered activity is other building completion and finishing (SIC 43390). Latest dormant accounts cover the period ending 31 March 2025, showing net assets of £100 and cash of £100.
Peer position · net assets
By net assets it sits in the lower half of 3,377 comparable companies in London (median £4,011, upper quartile £25k).
02
Ownership and control
- Mr Krzysztof Smuniewski
- owns 75–100% of shares
- holds 75–100% of voting rights
- Mrs Nimisha Gupta
- 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 March 20242 yrs ago
- Next accounts due
- 31 December 2026in 68 days
- Confirmation statement due
- 15 March 2027in 142 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43390
- Other building completion and finishing
- SIC 46190
- Agents involved in the sale of a variety of goods
- SIC 68310
- Real estate agencies
- SIC 82990
- Other business support service activities n.e.c.
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
£100
1 period on recordNot reported
Not reported
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £100 | £100 | — | — | — | — | — |
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 £100 at 31 March 2025
- Incorporated two to five years agoIncorporated 1 March 2024
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 142 days
- Next accounts duein 68 days
- Accounts period endNet assets £100 · dormant accounts
- Incorporated
08
Similar companies in London
- CROSSBOW BUILDERS 1 LIMITEDLondon · inc. Mar 2024
- AHB PROPERTY LIMITEDLondon · inc. Feb 2024
- BUTLER CONSTRUCTION GROUP LTDLondon · inc. Feb 2024
- SMSK LONDON LTDLondon · inc. Feb 2024
- JJS PROPERTY IMPROVEMENTS LIMITEDLondon · inc. Mar 2024
- FERRUM CONTRACTORS LTDLondon · inc. Feb 2024
All companies incorporated on 1 March 2024 · in Mar 2024.
09
Reminders for K1S1 LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.