The SLL has its own classes of membership independent of those of CIBSE and is able to provide designatory letters to those who are suitably qualified and experienced in lighting.
- Student Membership - available to full-time and part-time students (apply online)
- Affiliate Membership - open to anyone with an interest in light and lighting (apply online)
- Associate Member (AMSLL) - 2+ years of relevant experience, depending on qualifications (application form)
- Member (MSLL) - 5+ years of relevant experience, depending on qualifications (application form)
- Fellow (FSLL) - Has made a significant contribution to the lighting industry, whilst also meeting the criteria for MSLL (application form)