Last updated: April 2026
Grant Thornton Australia is a mid-tier SOC 2 audit firm in Sydney, Australia that charges $30K–$65K for Type II audits with 5–14 month timelines. Founded in 1924, they hold 3 accreditations and specialize in Technology, Financial Services, Mining, and 1 more. Their pricing is in the mid-range compared to the mid-tier average of $28.586K–$74.793K.
Note: Pricing shown is estimated based on typical engagements. Use our SOC 2 cost calculator for a personalized estimate.
of Mid-tier firms charge more for Type II
of Mid-tier firms have longer minimum timelines
certifications (tier avg: 4)
| Grant Thornton Australia | BDO Australia | Aprio | CohnReznick | |
|---|---|---|---|---|
| Type II Cost | $30K–$65K | $30K–$65K | $22K–$75K | $30K–$60K |
| Type I Cost | $18K–$38K | $18K–$38K | $15K–$42K | $18K–$32K |
| Timeline | 5–14 mo | 5–13 mo | 4–10 mo | 4–11 mo |
| Team Size | 1400-1600 | 3500–4500 | 2100–2300 | 3800–5000 |
| Certifications | 3 | 3 | 3 | 3 |
| Founded | 1924 | 1910 | 1952 | 1919 |
Australian mid-market firms
Global network with Australian expertise
of 3 criteria match. Get a personalized quote
4 industries — Mid-tier average: 5
3 certifications — Mid-tier average: 4
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Grant Thornton Australia SOC 2 Type I audits typically range from $18K to $38K. Type II audits range from $30K to $65K. This is in the mid-range for mid-tier firms — the mid-tier tier average is $28.586K–$74.793K. Final pricing depends on your organization's scope, number of trust service criteria, and system complexity.
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