Grant Thornton UK is a national SOC 2 audit firm in London, UK, UK that charges $40K–$120K for Type II audits with 5–14 month timelines. Founded in 1904, they hold 3 accreditations and specialize in Financial Services, Technology, Healthcare, and 6 more. Their pricing is in the mid-range compared to the national average of $39.3K–$100.6K.
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Estimated Type 1 and Type 2 ranges, placed against the broader national peer set. Numbers are directional; final pricing depends on scope, Trust Services Criteria, evidence quality, and observation period.
Note: Pricing shown is estimated based on typical engagements. Use our SOC 2 cost calculator for a personalized estimate.
of National firms charge more for Type II.
of National firms have longer minimum timelines.
listed certifications. Tier average: 2.
Side-by-side pricing, timeline, and certification counts for the 5 closest-priced peers in the national tier.
| Grant Thornton UK | CBIZ (formerly Marcum LLP) | RubinBrown | KLR (Kahn Litwin Renza) | Grassi | BDO UK | |
|---|---|---|---|---|---|---|
| Type II Cost | $40K–$120K | $40K–$100K | $40K–$100K | $40K–$100K | $40K–$100K | $40K–$100K |
| Type I Cost | $25K–$80K | $25K–$50K | $25K–$80K | $25K–$80K | $25K–$80K | $25K–$80K |
| Timeline | 5–14 mo | 4–9 mo | 6–14 mo | 6–14 mo | 6–14 mo | 6–14 mo |
| Team Size | 5000-5500 | 10000–11000 | 1000–5000 | 350–5000 | 600–5000 | 8000 |
| Certifications | 3 | 9 | 1 | 1 | 2 | 1 |
| Founded | 1904 | 1951 | 1952 | 1975 | 1980 | 1903 |
For buyers in Financial Services and Technology, Grant Thornton UK fits the national profile when timeline (5–14 months) and Type II pricing ($40K–$120K) align with what national firms typically deliver. Their 3 active accreditations, including ICAEW, Grant Thornton International Network, extend that fit beyond pure SOC 2 into adjacent compliance frameworks.
UK and international mid-market and enterprise clients needing Service Organisation Controls reports across ISAE 3402/3000, AICPA SOC 1/2/3, and AAF standards from a top-tier UK CPA firm.
UK arm of the Grant Thornton International network (listed on Drata's Audit Alliance as Grant Thornton UK Advisory & Tax LLP). ~5,100 UK professionals and 212 partners across London (HQ), Manchester, Birmingham, Aberdeen, Chelmsford, and Ipswich; dedicated SOC team delivers global SAR reporting with embedded cyber, data privacy, and operational resilience SMEs.
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9 industries. National average: 7.
3 certifications. National average: 2.
Standard CPA workpapers
Firm-specific answers generated from the directory record and preserved in FAQPage schema.
Grant Thornton UK SOC 2 Type I audits typically range from $25K to $80K. Type II audits range from $40K to $120K. This is in the mid-range for national firms — the national tier average is $39.286K–$100.571K. Final pricing depends on your organization's scope, number of trust service criteria, and system complexity.
A typical SOC 2 engagement with Grant Thornton UK takes 5 to 14 months from start to report delivery.
Grant Thornton UK has deep expertise in Financial Services, Technology, Healthcare, Government, Hospitality, Manufacturing, Real Estate, Cryptocurrency, Insurance. They are best suited for UK and international mid-market and enterprise clients needing Service Organisation Controls reports across ISAE 3402/3000, AICPA SOC 1/2/3, and AAF standards from a top-tier UK CPA firm.
Grant Thornton UK holds 3 accreditations: ICAEW, AICPA, Grant Thornton International Network.
Grant Thornton UK uses Standard CPA workpapers for their audit engagements. They integrate with Drata for evidence collection and compliance automation. Reports are delivered via Standard cycle.
Grant Thornton UK is a national SOC 2 audit firm founded in 1904 with 122 years of experience. UK arm of the Grant Thornton International network (listed on Drata's Audit Alliance as Grant Thornton UK Advisory & Tax LLP). ~5,100 UK professionals and 212 partners across London (HQ), Manchester, Birmingham, Aberdeen, Chelmsford, and Ipswich; dedicated SOC team delivers global SAR reporting with embedded cyber, data privacy, and operational resilience SMEs. They are best suited for organizations that need financial services, technology, healthcare expertise.
Grant Thornton UK is headquartered in London, UK, UK. They serve clients across the UK and can conduct SOC 2 audits remotely.
Compared to the 35 national firms in our directory, Grant Thornton UK's Type II pricing ($40K–$120K) is in the mid-range (tier average: $39.286K–$100.571K). They hold 3 certifications vs. the tier average of 2. Their minimum timeline of 5 months is faster than the tier average.
Grant Thornton UK is best suited for UK and international mid-market and enterprise clients needing Service Organisation Controls reports across ISAE 3402/3000, AICPA SOC 1/2/3, and AAF standards from a top-tier UK CPA firm. Their key differentiator is: UK arm of the Grant Thornton International network (listed on Drata's Audit Alliance as Grant Thornton UK Advisory & Tax LLP). ~5,100 UK professionals and 212 partners across London (HQ), Manchester, Birmingham, Aberdeen, Chelmsford, and Ipswich; dedicated SOC team delivers global SAR reporting with embedded cyber, data privacy, and operational resilience SMEs.
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