ACA
noun
ukus ACCOUNTING
abbreviation for Association of the Institute of Chartered Accountants: used after a person's name to show that they are a member of the Association:
David Harries, ACA
FINANCE, INSURANCE
abbreviation for Association of Consulting Actuaries: an organization in the UK that represents actuaries (= people whose job is to calculate risk) who give advice to companies on pension plans, investments, etc.:
The ACA has today published a report on the future of UK occupational pension provision.