Accounting Firm

Jonas and Associates

Accounting firm in Adelaide offering tax, business advisory and superannuation services

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TrustList summary

Jonas and Associates is an accounting firm based in Adelaide, led by managing director John Stankevicius. It provides financial and tax services to individuals and businesses.

What Jonas and Associates offers

Business accounting: daily bookkeeping, software set-up and financial statement preparation.
Tax services: business and individual tax planning and compliance.
Superannuation advice: sets up and maintains Self Managed Superannuation Funds as an authorised representative of the SMSF Advisors Network.
Forensic accounting: business valuations and dispute resolution for divorce proceedings and financial investigations.
R&D and innovation tax support: bookkeeping, tax calculations and ESIC applications for technology clients.

Clients

Works with individuals and businesses across industries, including technology clients pursuing R&D tax concessions.

Key facts

Based in: Adelaide, Australia

Summary written by TrustList from the business's own published information, Sep 2026.

Categories & features

Rankings

Jonas and Associates is ranked on 2 TrustList rankings: #26 on 1 and #38 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Jonas and Associates has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Accounting firm · 2 rankings

#26of 14
Adelaide
It is the only one of the 14 here listing reward and one of 2 here listing progressive.
Its profile: “Jonas and Associates is an accounting firm based in Adelaide, led by managing director John Stankevicius.”
Of the 14 here, 22 also cover tax and 21 also cover accounting; 2 also work in Sydney.
Behind INP Group, ahead of JSA Accounting.
#38of 44
Progressive
It is one of 5 here listing simple and one of 35 here listing accounting.
Of the 44 here, 7 also cover medical and 6 also cover cloud; 3 also work in Dublin and 3 also work in Brisbane.
Behind Johnson O'Connor Feron & Carucci, ahead of Jones Hunt & Keelings.