CALLOSUM TECHNOLOGIES LTD
Significant control: Jascha Achterberg (25–50%), Danyal Akarca (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
What does Callosum Technologies Ltd sell?
Registered activity: Other research and experimental development on natural sciences and engineering (SIC 72190). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
CALLOSUM TECHNOLOGIES LTD is an active private limited company (company number 16646869) incorporated on 13 August 2025, registered in London. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). No accounts have been filed yet; the first accounts are due by 13 May 2027.
There are 654 companies in other research and experimental development on natural sciences and engineering in London with filed accounts; the median reports net assets of £101 and is 7 years old.
Ownership and control
- Dr Jascha Achterberg
- owns 25–50% of shares
- holds 25–50% of voting rights
- Dr Danyal Akarca
- 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.
Key dates
- Incorporated
- 13 August 20251 yr ago
- First accounts due
- 13 May 2027in 202 days
- Confirmation statement due
- 27 August 2027in 308 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- No Accounts Filed
Financials
No accounts filed yet. The first accounts are due by 13 May 2027; this page updates when they are filed.
Timeline
- Confirmation statement duein 308 days
- First accounts duein 202 days
- Incorporated
Similar companies in London
- GREEN ENERGY RESEARCH INTERNATIONAL LTDLondon · inc. Aug 2025
- NO HUMANS IN DANGER (NHID)London · inc. Aug 2025
- BONIFACE RESONANCE TECHNOLOGIES LTDLondon · inc. Aug 2025
- RECODE SCIENCES GROUP LTDLondon · inc. Aug 2025
- AIMPACT LAB LTDLondon · inc. Aug 2025
- AURALYTICA LTDLondon · inc. Aug 2025
All companies incorporated on 13 August 2025 · in Aug 2025.
Reminders for CALLOSUM TECHNOLOGIES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.