Herold's tech stack
What does Herold use?
Herold (herold.at) uses at least 21 tools we can see from public records, including Microsoft 365 for email and documents, Zendesk for customer support, Google Analytics for analytics and Ahrefs for marketing. Last checked .
- Industry
- Marketing and Advertising
- Size
- 201–1,000 employees
- Based in
- Vienna, Austria
- Founded
- 1919
- Company page
- Tools found
- 21
- Categories
- 10
- Layers
- 4 of 5
- Last checked
- Oct 2026
Herold'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.
Application
1 tool, what the product is built with
Frontend
Data & Observability
3 tools, what they measure and store
Go-to-market
8 tools, how they find and keep customers
Company Ops
9 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Security & Compliance
Companies like Herold also use
Tools common among companies with a similar stack that we haven't found at Herold.
Companies with a stack like Herold's
Ranked by shared tools, with rare tools counting more.
MKTGMarketing and Advertising · 5,001–10,000 people4in common
Writer, Inc.Software · 201–1,000 people11in common
MariaDBSoftware · 201–1,000 people10in common
Brüel & KjærEngineering · 1,001–5,000 people5in common
DeloitteAudit7in common
Bristol Myers SquibbPharmaceuticals · 10,000+ people8in common
General CatalystInvestment Management · 51–200 people8in common
Leeds Building SocietyFinancial Services · 1,001–5,000 people11in common
More Marketing and Advertising companies
Other Marketing and Advertising companies we've checked.
Herold tech stack FAQ
What tools does Herold use?
We've found 21 tools at Herold (herold.at). Application: Tailwind CSS. Data & Observability: Google Analytics, Microsoft Clarity and Hotjar. Go-to-market: Meta Pixel, Google Ads and Zendesk. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 2, 2026.
What email provider does Herold use?
Herold uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records and DNS verification records.
What does Herold use for customer support?
Herold uses Zendesk for customer support. We found Zendesk through email records.
What analytics tools does Herold use?
Herold uses Google Analytics, Microsoft Clarity and Hotjar for analytics. We found Google Analytics through website code.
What marketing software does Herold use?
Herold uses Ahrefs for marketing. We found Ahrefs through DNS verification records.
Does Herold use Microsoft 365?
Yes. We found Microsoft 365 at Herold through email records and DNS verification records. Microsoft 365 is used by 245,233 companies we track.
How does runsonwhat know what Herold uses?
We read public traces only: Herold'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.