Licensed CPA firm profile

Deloitte

Deloitte's assurance network performs SOC 1 Type 1 and Type 2 examinations globally, frequently for service organizations whose user entities are themselves audited by Big Four firms and need maximum report reliance.

At a glance

HeadquartersNew York, New York
Founded1845
Firm typeBig Four professional-services network
SOC 1 planning range$50K–$200K (planning estimate (Sept 2026))
Typical fieldwork windowType 1: 8–16 wk
Frameworks (per firm)SOC 1, SOC 2, ISO 27001 + global assurance network
Official websitedeloitte.com

Best fit

Global enterprises whose customers demand Big Four-issued SOC 1 reports.

Before you engage

Big Four economics -- the most expensive option in most shortlists.

Independent directory note. This profile is compiled from the firm's public materials (firm websites verified September 2026 during our pilot research, with spot re-checks). It is not an endorsement and not a paid placement. Confirm the firm's credentials and engagement terms yourself.

Questions about Deloitte

How much does a Deloitte SOC 1 examination cost?

Deloitte does not publish SOC 1 pricing -- request a scoped quote. Our planning estimate for Big Four Type 1 examinations is $50K–200K (September 2026).

When is Deloitte the right SOC 1 choice?

For global enterprises whose customers demand Big Four-issued reports -- particularly where user entities are themselves audited by Big Four firms and need maximum report reliance. Big Four economics: the most expensive option in most shortlists.

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