EY's tech stack
What does EY use?
EY (ey.com) uses at least 38 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Demandbase for sales and Adobe Analytics for analytics. Last checked .
“Five key SEC priorities in 2024”
- Industry
- Professional Service
- Size
- 10,000+ employees
- Based in
- London, United Kingdom
- Founded
- 1974
- Company page
- Tools found
- 38
- Categories
- 19
- Layers
- 5 of 5
- Last checked
- Oct 2026
EY's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
8 tools, what the product is built with
Frontend
Auth & Identity
Backend & Database
Media & UI
Data & Observability
5 tools, what they measure and store
Go-to-market
7 tools, how they find and keep customers
Company Ops
16 tools, what the team runs on day to day
Email Delivery
Workspace
Collaboration
People & HR
Finance & Legal
Security & Compliance
Companies like EY also use
Tools common among companies with a similar stack that we haven't found at EY.
Companies with a stack like EY's
Ranked by shared tools, with rare tools counting more.
ComcastTelecommunications · 10,000+ people14in common
RoofrHome and Personal · 11–50 people11in common
Huntington BancsharesFinancial Services · 10,000+ people12in common
KPNMobile Phone · 10,000+ people11in common
The Aspen GroupHealthcare · 10,000+ people12in common
SevitaHealthcare · 10,000+ people5in common
LG ElectronicsRetail · 10,000+ people7in common
TIAAFinancial Services · 10,000+ people14in common
EY tech stack FAQ
What tools does EY use?
We've found 38 tools at EY (ey.com). Edge & Hosting: Microsoft Azure and Fastly. Application: jQuery, Google Maps and Anthropic. Data & Observability: Adobe Experience Platform Tags, Adobe Analytics and Adobe Experience Platform. Go-to-market: Mailchimp, Marketo and Demandbase. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 2, 2026.
What cloud does EY run on?
EY uses Microsoft Azure for hosting. We found Microsoft Azure through custom domain and website code.
What CRM does EY use?
EY uses Demandbase for sales and CRM. We found Demandbase through website code.
What email provider does EY use?
EY uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records and DNS verification records.
What analytics tools does EY use?
EY uses Adobe Analytics, Adobe Experience Platform and Qualtrics for analytics, among 4 tools in this category. We found Adobe Analytics through custom domain and website code.
What CMS does EY use?
EY uses Adobe Experience Manager for its website. We found Adobe Experience Manager through website code.
Does EY use Microsoft 365?
Yes. We found Microsoft 365 at EY through email records and DNS verification records. Microsoft 365 is used by 685,116 companies we track.
How does runsonwhat know what EY uses?
We read public traces only: EY's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.