ACA
Associate of the Institute of Chartered Accountants

ACIB
Associate of Corporation of Insurance Brokers

ACIS
Associate of Chartered Institute of Secretaries

AMIAE
Associate Member of Institute of Automobile Engineers

AMIEE
Associate Member of the Institute of Electrical Engineers

AMIMechE
Associate Member of the Institution of Mechanical Engineers

ARA
Associate of the Royal Academy

ARCM
Associate of the Royal College of Music

ARCO
Associate of the Royal College of Organists

ARCS
Associate of the Royal College of Science

ARHA
Associate of the Royal Hibernian Academy

ARIBA
Associate of the Royal Institute of British Architects

ARIC
Associate of the Royal Institute of Chemistry

ARRC
Associate of the Royal Red Cross

ARSA
Associate of the Royal Scottish Academy

ARSM
Associate of the Royal School of Mines