Deloitte
Depends
Confidence: Medium
Right fit for large enterprises with complex audit, tax, or security needs and budget for a Big Four engagement.
Comparison
Deloitte vs Technology & Services Industry Association | TSIA
Deloitte and Technology & Services Industry Association | TSIA both land on Depends.
Technology & Services Industry Association | TSIA
Depends
Confidence: Medium
Buy if you run services, support, or customer success at a mid-size or enterprise tech company and will actively use benchmarks.
| Compare | Deloitte | Technology & Services Industry Association | TSIA |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Global enterprises needing audit and tax | Enterprise tech firms with services revenue |
| Who it's not for | Small businesses needing basic tax or bookkeeping | Startups and small businesses . priced and built for enterprises |
| Privacy | Multiple public incidents: 2017 client-email breach, 2025 Rhode data-breach payout, 2026 CVE disclosed.⁵ | No known public vulnerabilities found in the sources reviewed. |
| Support quality | No client-support evidence found | Dedicated member success managers listed on LinkedIn. |
| Public sentiment | Client-facing products score 4.2/5 on G2, but 25,000+ employees rate the firm just 3.6/5.¹ | Direct user reviews are scarce; TSIA Intelligence holds 5.0/5 from 24 Microsoft Marketplace ratings while employee reviews average 2.8/5 on RepVue.16 |
| Biggest gotcha | 2017 hack revealed clients' confidential emails⁵ | Guess: enterprise membership costs undisclosed; expect a sales negotiation before knowing the price. |
Pick Deloitte when
- Global enterprises needing audit and tax
- Regulated industries (banking, government)
- Large transformations and cyber incident response
When Deloitte is not a fit
- Small businesses needing basic tax or bookkeeping
- Buyers wanting published pricing or self-serve
- Teams needing quick, fixed-scope projects
- Anyone without six-figure-plus engagement budgets
Pick Technology & Services Industry Association | TSIA when
- Enterprise tech firms with services revenue
- Customer success and support leaders
- Teams needing industry benchmarks
- Companies adopting subscription/LAER models
When Technology & Services Industry Association | TSIA is not a fit
- Startups and small businesses . priced and built for enterprises
- Buyers wanting software; TSIA sells research, not tools
- Companies with no services, support, or success arm
- Anyone needing published pricing before a sales call
Sources
- Deloitte Products on G2g2.comreview
- Deloitte Reviews . AmbitionBoxambitionbox.comreview
- Trustpilot reviews of deloitte.comtrustpilot.comreview
- r/deloitte employee discussionsreddit.comreview
security
- Deloitte pays $5M over Rhode breachcybersecuritydive.comsecurity
- CVE-2026-57476 Detail . NVDnvd.nist.govsecurity
- Deloitte Agrees to $21.5M settlement . DOJjustice.govnews
- Deloitte security services rankdeloitte.comofficial
- DART pricing pagedart.deloitte.comofficial
- Deloitte clients listbig4accountingfirms.comnews
- Preferred-vendor MSA switching paincodingscape.comnews
- Mid-market managed SIEM alternativesunderdefense.comnews
- Deloitte AI debacle . CFO Divecfodive.comnews
- TSIA Review 2026: Pricing, Features, Pros & Conssaleshive.comreview
- TSIA Intelligence | Microsoft Marketplacemarketplace.microsoft.comreview