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William Kostoglou

Tax agent·Sydney NSW

TPB registered, checked monthly

Registration checked

FIZO matched this business to the Tax Practitioners Board. We check it again every month and remove the badge if the registration lapses.

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Tax Practitioners Board
Registered as
Tax Agent
Number
25768386
Last checked
22 September 2026

Look it up on the register yourself

About William Kostoglou

William Kostoglou is a registered tax agent based in Sydney, NSW. FIZO confirmed registration 25768386 on the Tax Practitioners Board register itself on 22 Sep 2026, not from anything the business supplied.

Services

Taxation Consultants

Also in Sydney