Deloitte

Who is Deloitte?

Deloitte is one of the Big Four accounting networks; the SOC 2 work discussed here is performed by its US member firm, Deloitte & Touche LLP, through the Third-Party Assurance practice inside its Audit & Assurance business. Deloitte is a global organization founded in 1845 with 100,000+ people across its network, headquartered in New York, NY.

Buyers researching “Deloitte SOC 2” are not looking at the whole firm — audit, tax, consulting — they want Deloitte’s attestation practice specifically, and that practice sits within Audit & Assurance, led for third-party assurance by Shannon Kramer (Third-Party Assurance Leader, Audit & Assurance, Deloitte & Touche LLP).

Deloitte frames the service as helping organizations “confidently demonstrate the design and effectiveness of your controls to customers, business partners, and regulators,” and positions SOC 1 and SOC 2 as the core of a broader Third-Party Assurance (TPA) offering that also covers FedRAMP and HITRUST attestation, ISO 27001 certification, Custody Rule reporting, and agreed-upon procedures (AUP) engagements. This is a large-enterprise practice, not a startup-audit shop: Deloitte’s own materials talk about outsource service providers (OSPs) reducing the number of duplicate audit requests from multiple customers, which is an enterprise-scale problem, not a first-time-SOC-2 problem.

What credentials does Deloitte actually hold?

Deloitte & Touche LLP is a licensed CPA firm and AICPA member, and it is enrolled in the AICPA Peer Review Program — its most recent review, dated December 7, 2023, covered the period April 1, 2022 through March 31, 2023, and resulted in a pass rating. That record is publicly searchable at the AICPA Peer Review public file search.

For a buyer asking “is this a legitimate auditor,” the answer with any Big Four firm is not in question — Deloitte’s SOC 2 reports carry the most recognizable name in the audit industry, which matters directly for investor relations, board reporting, and SEC-adjacent optics for public or soon-to-be-public companies. What the credential does not answer is whether Deloitte is the right-sized firm for the buyer’s stage and budget — see “Who Should Choose” below.

What SOC reports does Deloitte issue?

Deloitte’s Third-Party Assurance practice issues SOC 1, SOC 2, and SOC 3 reports under SSAE 18 and ISAE 3402 guidance, alongside Custody Rule reports and agreed-upon procedures (AUP) engagements.

As with any SOC 2 engagement, a Type I report assesses control design at a point in time and a Type II assesses operating effectiveness over an observation window — Deloitte’s published guidance describes the typical path as a readiness assessment followed by the attestation itself, the same sequence smaller specialist firms use, scaled to the size of the engagement.

Deloitte also explicitly positions TPA “optimization” work — helping an organization streamline evidence collection so it isn’t fielding overlapping SOC requests from many customers and their auditors. That’s a signal of the buyer profile Deloitte is built for: an OSP with enough customers, each running their own vendor-security reviews, that redundant audit requests are themselves a cost problem worth solving.

What else can Deloitte attest besides SOC 2?

Deloitte’s Third-Party Assurance practice explicitly covers FedRAMP and HITRUST attestation alongside SOC reporting, and Deloitte separately performs ISO 27001 certification work (routed through a dedicated certification contact, usISOcertifications@deloitte.com, per its published materials).

For an enterprise or public-sector vendor that needs SOC 2 plus FedRAMP or HITRUST under one relationship, Deloitte can plausibly run more of that portfolio than a boutique SOC-only shop — though Deloitte’s own site does not publish specifics on PCI DSS QSA work or CMMC assessor status, so a buyer needing those should confirm directly rather than assume.

How does Deloitte handle auditor independence?

Deloitte’s Cyber practice (penetration testing, security consulting) sits inside Deloitte Consulting, organizationally separate from the Audit & Assurance / Third-Party Assurance practice that issues the SOC report — a structural separation that exists in part because independence rules (AICPA, and SEC rules where Deloitte is also the financial-statement auditor) restrict what an attest engagement team can also perform for the

same client. That said, if you are engaging Deloitte for SOC 2 and also want a penetration test performed by a Deloitte team, raise the independence question explicitly on the first call: confirm which Deloitte entity or practice would perform the test, and whether that creates any self-review consideration given SOC 2’s control-environment scope. When in doubt, scoping the pen test to a separate firm entirely removes the question.

How much does a Deloitte SOC 2 audit cost?

Deloitte does not publish SOC 2 pricing, and none of the figures below come from Deloitte. Based on typical Big Four attestation engagement scale, our directional estimate for a Deloitte SOC 2 engagement is:

• Type I: roughly $40,000–$150,000
• Type II: roughly $60,000–$400,000

These ranges sit well above what boutique CPA firms or SOC-focused specialists charge for a comparable single-framework SOC 2, reflecting Big Four staffing structure, partner review layers, and engagement-management overhead rather than materially different audit rigor. Treat this as a planning range, not a quote — Deloitte scopes and prices every engagement individually after understanding your control environment and systems.

How long does a Deloitte SOC 2 audit take?

Our estimated fieldwork-to-report timeline is 6–18 weeks, which is fieldwork time only — a Type II report additionally requires a 3–12 month observation period before fieldwork can begin, same as with any CPA firm.

Big Four engagements can run toward the longer end of comparable timelines because of internal review layers (manager, senior manager, partner sign-off) that a boutique firm’s flatter structure doesn’t carry. Confirm your specific timeline against Deloitte’s current capacity and your fiscal-year or deal-driven deadline before committing.

Who is Deloitte a good fit for?

Deloitte fits large enterprises, public companies, or pre-IPO teams that need a Big Four name on the SOC 2, especially if Deloitte already does the financial audit. Independence still has to be scoped if consulting sits on the same systems.

Best fit for:

• Large enterprises, public companies, or pre-IPO companies where a Big Four name on the SOC 2 report matters for investor relations, board reporting, or underwriters
• Financial services, healthcare, technology, and public-sector organizations already using Deloitte for financial statement audit, tax, or consulting, where a single-vendor relationship simplifies procurement
• Organizations that need SOC reporting alongside FedRAMP, HITRUST, or ISO 27001 under one firm’s Third-Party Assurance umbrella
• Outsource service providers (OSPs) fielding repeated, overlapping SOC audit requests from many customers, where Deloitte’s TPA optimization work can consolidate that burden

Not a fit — look elsewhere if:

• You are a startup or SMB doing a first-time SOC 2 on a budget measured in the low five figures — Deloitte’s estimated $40,000+ entry point is priced for enterprise scale, not a 20-person SaaS company
• You need the fastest possible turnaround on a deal-driven deadline — Big Four review layers typically make Deloitte slower, not faster, than a boutique specialist
• Your primary need is a single, narrowly-scoped SOC 2 with no adjacent FedRAMP/HITRUST/ISO 27001 requirement — you are paying for breadth you won’t use
• You want a named individual auditor as your day-to-day point of contact rather than an engagement team — Big Four delivery is typically team-based with partner oversight, not a solo practitioner relationship

When should a buyer shortlist Deloitte?

If the buying job is a startup’s first SOC 2, look at a specialist instead. The Deloitte name is the reason to stay; estimated $40,000–$150,000 Type I / $60,000–$400,000 Type II ranges and 6–18 week fieldwork are the reasons to leave.