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CERTAIN SIX LIMITED
Active
10748501 · incorporated 2017-05-02
CERTAIN SIX LIMITED is an active UK private limited company, incorporated on 2 May 2017 at Companies House (number 10748501; OpenRegistry canonical ID GB-10748501-certain-six-limited). Sophymarine's OpenRegistry classifies it under SIC 62012 (Business and domestic software development), one of 87,841 active UK entities in that code and one of 1,093,852 active companies registered in London (postcode EC2V). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp .
Type
Private Limited Company
Registered Address
9TH FLOOR, 107 CHEAPSIDE, LONDON, EC2V 6DN, UNITED KINGDOM
SIC
62012 — Business and domestic software development
Country of origin
United Kingdom
Accounts Last filed accounts made up to 2025-03-31 . Next accounts due 2026-12-31 . Financial year-end: 31/03 . Filing class: TOTAL EXEMPTION FULL .
Confirmation statement Last confirmation statement made up to 2025-12-21 . Next confirmation statement due 2027-01-04 .
Mortgages and charges
3 charges recorded against the company at Companies House:
0 outstanding,
3 satisfied,
0 partially satisfied.
Persons with significant control CERTAIN SIX LIMITED has 2 persons with significant control on file:
Mr Ronnie Michael Harris born 1951 resident in United Kingdom, British national. Notified 2020-02-04. Owns 50–75% of shares Owns 50–75% of shares Holds 50–75% of voting rights Holds 25–50% of voting rights Mr Mark Knopfler born 1949 resident in England, British national. Notified 2020-02-04. Owns 50–75% of shares Owns 50–75% of shares Holds 50–75% of voting rights Holds 25–50% of voting rights No individual or entity with significant control has been identified. 6 historical PSC records have ceased:
Mr Simon Keith Smith born 1959 resident in United Kingdom, British national. Notified 2017-05-02. Ceased 2017-08-24. Owns 75% or more of shares Holds 75% or more of voting rights Mr Ronnie Michael Harris born 1951 resident in United Kingdom, British national. Notified 2017-08-25. Ceased 2020-01-02. Owns 25–50% of shares Owns 25–50% of shares Holds 25–50% of voting rights Holds 25–50% of voting rights Mr Nicholas Alexander Smith born 1982 resident in England, British national. Notified 2020-01-02. Ceased 2022-12-15. Owns 25–50% of shares Holds 25–50% of voting rights Mr Alex Michael Metaxas born 1982 resident in United Kingdom, British national. Notified 2020-01-02. Ceased 2022-12-15. Owns 25–50% of shares Holds 25–50% of voting rights Mr Mark Knopfler born 1949 resident in England, British national. Notified 2017-08-25. Ceased 2020-01-02. Owns 25–50% of shares Owns 25–50% of shares Holds 25–50% of voting rights Holds 25–50% of voting rights (unnamed) . Notified 2017-08-24. Ceased 2017-08-25. Previous names
CERTAIN SIX LIMITED has previously traded as:
CERTAIN SIX SOFTWARE LIMITED (until 2017-06-16)Similar UK companies Other companies registered under SIC 62012 (Business and domestic software development):
Other companies registered in London:
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