Gallagher's tech stack
What does Gallagher use?
Gallagher (ajg.com) uses at least 32 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Webflow for its website. Last checked .
- Industry
- Insurance Intermediation
- Based in
- United States
- Founded
- 1927
- Tools found
- 32
- Categories
- 15
- Layers
- 5 of 5
- Last checked
- Oct 2026
Gallagher'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
3 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
1 tool, what the product is built with
Media & UI
Data & Observability
2 tools, what they measure and store
Monitoring
Data Pipeline
Go-to-market
7 tools, how they find and keep customers
Website & CMS
Marketing
Support & Docs
Company Ops
19 tools, what the team runs on day to day
Email Delivery
Collaboration
Dev Tools
People & HR
Finance & Legal
Security & Compliance
Companies like Gallagher also use
Tools common among companies with a similar stack that we haven't found at Gallagher.
Companies with a stack like Gallagher's
Ranked by shared tools, with rare tools counting more.
Paychex, Inc.Human Resources · 10,000+ people14in common
MSCI (China)Financial Services · 1,001–5,000 people14in common
Abu Dhabi Investment Council (adic)Investment Management · 201–1,000 people10in common
BHP GroupMining · 10,000+ people12in common
IndeedInternet · 10,000+ people12in common
Risk Placement Services, Inc.Insurance · 1,001–5,000 people15in common
TDIndustriesConstruction · 1,001–5,000 people7in common
MSA SafetyPersonal Protective Equipment · 1,001–5,000 people12in common
Gallagher tech stack FAQ
What tools does Gallagher use?
We've found 32 tools at Gallagher (ajg.com). Edge & Hosting: Microsoft Azure, Akamai and HPE GreenLake. Application: Extensis. Data & Observability: Dynatrace and Astronomer. Go-to-market: Mailchimp, Zendesk and Webflow. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 3, 2026.
What cloud does Gallagher run on?
Gallagher uses Microsoft Azure and HPE GreenLake for hosting. We found Microsoft Azure through custom domain.
What email provider does Gallagher use?
Gallagher uses Microsoft 365, Google Workspace and Apple Business for email and documents. We found Microsoft 365 through DNS verification records and email records.
What does Gallagher use for customer support?
Gallagher uses Zendesk for customer support. We found Zendesk through email records.
What CMS does Gallagher use?
Gallagher uses Webflow for its website. We found Webflow through DNS verification records.
What marketing software does Gallagher use?
Gallagher uses Mailchimp, Klaviyo and Salesforce Marketing Cloud for marketing, among 4 tools in this category. We found Mailchimp through email records.
Does Gallagher use Microsoft 365?
Yes. We found Microsoft 365 at Gallagher through DNS verification records and email records. Microsoft 365 is used by 245,233 companies we track.
How does runsonwhat know what Gallagher uses?
We read public traces only: Gallagher'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.