Bullhorn's tech stack
What does Bullhorn use?
Bullhorn (connexys.com) uses at least 16 tools we can see from public records, including Microsoft 365 for email and documents, HubSpot for sales, Zendesk for customer support and WordPress for its website. Last checked .
- Industry
- IT Services
- Size
- 201–1,000 employees
- Based in
- Rotterdam, Netherlands
- Founded
- 1999
- Company page
- Tools found
- 16
- Categories
- 10
- Layers
- 4 of 5
- Last checked
- Oct 2026
Bullhorn'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
1 tool, where the bytes are served from
CDN & Edge
Application
3 tools, what the product is built with
Go-to-market
7 tools, how they find and keep customers
Website & CMS
Sales & CRM
Support & Docs
Company Ops
5 tools, what the team runs on day to day
Security & Compliance
Bullhorn tech stack FAQ
What tools does Bullhorn use?
As of October 2026, runsonwhat has found 16 tools at Bullhorn (connexys.com) in public records. Edge & Hosting: Akamai. Application: jQuery and Wistia. Go-to-market: WordPress, Yoast SEO and HubSpot. Company Ops: Microsoft 365, Google Workspace and GlobalSign. Last checked October 16, 2026.
What CRM does Bullhorn use?
Bullhorn uses HubSpot for its CRM, alongside Salesforce, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 92,024 companies runsonwhat tracks.
What email provider does Bullhorn use?
Bullhorn uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,679 companies runsonwhat tracks.
What does Bullhorn use for customer support?
Bullhorn uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk. Zendesk is used by 40,908 companies runsonwhat tracks.
What is Bullhorn's website built with?
Bullhorn uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on connexys.com. WordPress is used by 581,978 companies runsonwhat tracks.
What marketing software does Bullhorn use?
Bullhorn uses Marketo for marketing, according to runsonwhat (October 2026). runsonwhat found Marketo through Marketo code on connexys.com. Marketo is used by 8,704 companies runsonwhat tracks.
Does Bullhorn use jQuery?
Yes. runsonwhat found jQuery at Bullhorn through jQuery code on connexys.com. jQuery is a Frontend tool used by 896,801 companies runsonwhat tracks.
How does runsonwhat know what Bullhorn uses?
runsonwhat reads public records only. Of the 16 tools at Bullhorn, 6 were found through code on connexys.com, 4 through DNS records, 4 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and connexys.com about 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.