Ailsen are the members of the following professional bodies:

• BESCA - Accredited to carry out Part L self certification January 2007
  
• BM TRADA Accredited - 29th June 2004
  
• Constructionline - Registration No: 56271
  
• CORGI - Registration No: 7481
  
• HVCA - Membership No: F168500/HV001079
  
• NICEIC - Enrolment No: 020921000 Accredited certification: 9 October 2001