RAiNAn audit firm that chose to reinvent itself.
RAiN is a South African professional services firm that supports clients in the public and private sectors with auditing, accounting, tax compliance, consulting and corporate finance.
Our story in three lines
- Independent roots: founded in 1995 by Ian Pierce, who left a Big Four partner track to build an independent practice. confirm: years in practice — firm history dates from 1995; current site says 21 years
- A technology shift: rebranded as RAiN Chartered Accountants in 2016 and moved into technology from 2022.
- AI-native today: our audit and advisory teams work with Monsoon, an AI-native assurance platform.
Key facts
- IRBA-registered
- Six offices
- MSI Global Alliance member
- Monsoon platform certified to ISO 27001:2022 and ISO 42001 (held by PEAQ; certified by AENOR, 2026)
More about RAiN
- Our storyFrom independent practice to AI-native firm.
- LeadershipThe people accountable for your work.
- Our valuesBravery. Innovation. People.
- Credentials & complianceEverything your procurement team needs, in one place.
- Our groupOne family: professional services and technology.
- Global reach — MSI Global AllianceLocal expertise, global reach.
Transformation
RAiN is a fully black-owned, proudly South African company with a strong mix of cultures, and holds B-BBEE Level 1 status.
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