Refereum's tech stack
What does Refereum use?
Refereum (refereum.com) uses at least 14 tools we can see from public records, including Microsoft 365 for email and documents, Cloudflare for content delivery, SendGrid for email delivery and Let's Encrypt for security. Last checked .
- Industry
- Software
- Size
- 11–50 employees
- Based in
- San Francisco, United States
- Founded
- 2017
- Company page
- Tools found
- 14
- Categories
- 9
- Layers
- 4 of 5
- Last checked
- Oct 2026
Refereum'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
Frontend
Media & UI
Go-to-market
2 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
8 tools, what the team runs on day to day
Email Delivery
Finance & Legal
Security & Compliance
Companies like Refereum also use
Tools common among companies with a similar stack that we haven't found at Refereum.
Companies with a stack like Refereum's
Ranked by shared tools, with rare tools counting more.
VersatileSoftware · 51–200 people6in common
SAI360, Inc.Software · 201–1,000 people7in common
CertnSoftware · 201–1,000 people9in common
BranchSoftware · 201–1,000 people9in common
Hareer Deals Arabic Affiliate NetworkMarketing and Advertising · 11–50 people3in common
Relay TechnologiesConsumer Services · 51–200 people8in common
ElocalMarketing and Advertising · 51–200 people7in common
Scientific Certification Services, Inc. (United States)Environmental Services · 201–1,000 people7in common
More Software companies
Other Software companies we've checked.
Refereum tech stack FAQ
What tools does Refereum use?
As of October 2026, runsonwhat has found 14 tools at Refereum (refereum.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Vimeo. Go-to-market: Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026.
What email provider does Refereum use?
Refereum 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 706,417 companies runsonwhat tracks.
Does Refereum use jQuery?
Yes. runsonwhat found jQuery at Refereum through jQuery code on refereum.com. jQuery is a Frontend tool used by 905,971 companies runsonwhat tracks.
Which companies have a tech stack similar to Refereum's?
The companies with the stacks most like Refereum's are Versatile, SAI360, Certn and Branch, according to runsonwhat (October 2026). Each shares 6 to 9 tools with Refereum, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Refereum uses?
runsonwhat reads public records only. Of the 14 tools at Refereum, 8 were found through DNS records, 3 through code on refereum.com and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and refereum.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.