Under's tech stack
What does Under use?
Under (under.io) uses at least 17 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, HubSpot for sales and Google Analytics for analytics. Last checked .
- Industry
- Financial Services
- Size
- 11–50 employees
- Based in
- Chicago, United States
- Founded
- 2019
- Company page
- Tools found
- 17
- Categories
- 10
- Layers
- 5 of 5
- Last checked
- Oct 2026
Under'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
5 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
3 tools, what the product is built with
Frontend
Media & UI
Data & Observability
3 tools, what they measure and store
Monitoring
Go-to-market
5 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Sales & CRM
Company Ops
1 tool, what the team runs on day to day
Workspace
Under tech stack FAQ
What tools does Under use?
As of October 2026, runsonwhat has found 17 tools at Under (under.io) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: jQuery, Next.js and Lottie. Data & Observability: Google Analytics, Google Tag Manager and Datadog. Go-to-market: Google Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Google Workspace. Last checked October 21, 2026.
What cloud does Under run on?
Under uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud and Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 145,974 companies runsonwhat tracks.
What CRM does Under use?
Under uses HubSpot for its CRM, alongside Apollo.io, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on under.io. HubSpot is used by 94,694 companies runsonwhat tracks.
What email provider does Under use?
Under uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on under.io. Google Workspace is used by 405,288 companies runsonwhat tracks.
What analytics tools does Under use?
Under uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on under.io. Google Analytics is used by 887,728 companies runsonwhat tracks.
What is Under's website built with?
Under uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through Webflow code on under.io. Webflow is used by 35,141 companies runsonwhat tracks.
Does Under use jQuery?
Yes. runsonwhat found jQuery at Under through jQuery code on under.io. jQuery is a Frontend tool used by 920,228 companies runsonwhat tracks.
How does runsonwhat know what Under uses?
runsonwhat reads public records only. Of the 17 tools at Under, 10 were found through code on under.io, 4 through subdomains that point at the vendor, 2 through email records and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and under.io 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.