CompanyCore
UK company intelligence
Company profile report
Prepared 20 June 2026

A21ARCHITECTS LTD

07696407 · ltd · incorporated 2011-07-07

1. Company facts

Status
active
Lifecycle
🌳 Mature — Long-running with flat or slow growth. Steady cash, limited upside.
Jurisdiction
england-wales
Registered office
9 Tyndale Terrace, London, N1 2AT, England
SIC codes
71111 — Architectural activities
Accounts next due
2027-04-30
Confirmation statement next due
2027-01-12

2. Directors (2 active)

PETRIDES, George
director · appointed 2011-07-07 · born 4/1954 (age 72)
PETRIDES, Theo Wyatt
director · appointed 2022-01-03 · born 10/1984 (age 42)

3. Shareholders (2 active)

Mr Theo Wyatt Petrides
25-50% shares · 25-50% voting
Mr George Petrides
25-50% shares · 25-50% voting

Headline verdict

Opportunity score
78/100 (Strong)
Owner dependency
critical — 86/100
Red flags
0 high · 0 medium · 0 low