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Design Si Solutions Ltd

Design Si Solutions Ltd is an active company incorporated on 9 October 2020 with the registered office located in London, Greater London. Design Si Solutions Ltd was registered 5 years ago.
Status
Active
Active since incorporation
Company No
12941320
Private limited company
Age
5 years
Incorporated 9 October 2020
Size
Micro
Turnover is under £1M
Balance sheet is under £500,000
Under 10 employees
Confirmation
Submitted
Dated 3 February 2026 (7 days ago)
Next confirmation dated 3 February 2027
Due by 17 February 2027 (1 year remaining)
Last change occurred 7 days ago
Accounts
Submitted
For period 1 Oct30 Sep 2025 (12 months)
Accounts type is Micro Entity
Next accounts for period 30 September 2026
Due by 30 June 2027 (1 year 4 months remaining)
Contact
Address
Unit Da2 Unit Da2 Sutherland House
43 Sutherland Road
London
E17 6BU
United Kingdom
Address changed on 30 Mar 2022 (3 years ago)
Previous address was 1st Floor Cussins House 22-28 Wood Street Doncaster DN1 3LW United Kingdom
Telephone
07412 358358
Email
Unreported
Website
Unreported
People
Officers
3
Shareholders
1
Controllers (PSC)
3
PSC • Director • Turkish • Lives in Turkey • Born in Sep 1981
PSC • Director • British • Lives in England • Born in Jun 1975
PSC • Director • Turkish • Lives in England • Born in May 1976
Shareholders, PSCs & Group Structure
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Mutual Companies
N&N International Consultancy Ltd
Sebnem Bostanci is a mutual person.
Active
Adios London Ltd
Sebnem Bostanci is a mutual person.
Active
Golden Ratio Consultancy Ltd
Sebnem Bostanci is a mutual person.
Active
Leo Pubs&Hotels Ltd
Sebnem Bostanci is a mutual person.
Active
Propack Packaging Ltd
Sebnem Bostanci is a mutual person.
Active
Esi Solutions Ltd
Sefa ALP is a mutual person.
Active
Financials
Net Assets, Total Assets & Total Liabilities (2021–2025)
Period Ended
30 Sep 2025
For period 30 Sep30 Sep 2025
Traded for 12 months
Cash in Bank
Unreported
Same as previous period
Turnover
Unreported
Same as previous period
Employees
1
Increased by 1 (%)
Total Assets
£15.29K
Increased by £7.95K (+108%)
Total Liabilities
-£19.76K
Increased by £7.01K (+55%)
Net Assets
-£4.47K
Increased by £943 (-17%)
Debt Ratio (%)
129%
Decreased by 44.56% (-26%)
Latest Activity
Confirmation Submitted
7 Days Ago on 3 Feb 2026
Sebnem Bostanci (PSC) Appointed
15 Days Ago on 26 Jan 2026
Mrs Sebnem Bostanci Appointed
15 Days Ago on 26 Jan 2026
Mr Ceyhun Filiz Appointed
15 Days Ago on 26 Jan 2026
Ceyhun Filiz (PSC) Appointed
15 Days Ago on 26 Jan 2026
Micro Accounts Submitted
2 Months Ago on 10 Dec 2025
Confirmation Submitted
1 Year Ago on 5 Feb 2025
Micro Accounts Submitted
1 Year Ago on 14 Jan 2025
Confirmation Submitted
1 Year 9 Months Ago on 25 Apr 2024
Micro Accounts Submitted
2 Years Ago on 22 Jan 2024
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Documents
Notification of Sebnem Bostanci as a person with significant control on 26 January 2026
Submitted on 6 Feb 2026
Appointment of Mrs Sebnem Bostanci as a director on 26 January 2026
Submitted on 6 Feb 2026
Confirmation statement made on 3 February 2026 with updates
Submitted on 3 Feb 2026
Appointment of Mr Ceyhun Filiz as a director on 26 January 2026
Submitted on 3 Feb 2026
Notification of Ceyhun Filiz as a person with significant control on 26 January 2026
Submitted on 3 Feb 2026
Micro company accounts made up to 30 September 2025
Submitted on 10 Dec 2025
Certificate of change of name
Submitted on 6 Feb 2025
Confirmation statement made on 5 February 2025 with updates
Submitted on 5 Feb 2025
Micro company accounts made up to 30 September 2024
Submitted on 14 Jan 2025
Confirmation statement made on 19 April 2024 with no updates
Submitted on 25 Apr 2024
Repayment History
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