Under 40 CEOs's tech stack
What does Under 40 CEOs use?
Under 40 CEOs (under40ceos.com) uses at least 17 tools we can see from public records, including Vercel for hosting, Google Analytics for analytics, Brevo for marketing and Cloudflare for content delivery. Last checked .
- Industry
- Management Consulting
- Size
- 11–50 employees
- Based in
- Johannesburg, South Africa
- Founded
- 2015
- Company page
- Tools found
- 17
- Categories
- 9
- Layers
- 5 of 5
- Changes seen
- 2
Under 40 CEOs'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
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
2 tools, what the product is built with
Frontend
Media & UI
Data & Observability
3 tools, what they measure and store
Go-to-market
4 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Security & Compliance
What changed at Under 40 CEOs
Recent starts and stops
- Came backAmazon SES
- StoppedAmazon SES
Under 40 CEOs tech stack FAQ
What tools does Under 40 CEOs use?
As of November 2026, runsonwhat has found 17 tools at Under 40 CEOs (under40ceos.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: YouTube and Next.js. Data & Observability: Google Analytics, Google Tag Manager and PostHog. Go-to-market: Google Ads, Meta Pixel and Brevo. Company Ops: SendGrid, Amazon SES and Let's Encrypt. Last checked November 2, 2026.
What cloud does Under 40 CEOs run on?
Under 40 CEOs uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a DNS verification record for Vercel. Vercel is used by 51,226 companies runsonwhat tracks.
What analytics tools does Under 40 CEOs use?
Under 40 CEOs uses Google Analytics for analytics, alongside Google Tag Manager and PostHog, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on under40ceos.com. Google Analytics is used by 906,089 companies runsonwhat tracks.
What marketing software does Under 40 CEOs use?
Under 40 CEOs uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 81,316 companies runsonwhat tracks.
Does Under 40 CEOs use Cloudflare?
Yes. runsonwhat found Cloudflare at Under 40 CEOs through DNS records that point at Cloudflare. Cloudflare is a CDN & Edge tool used by 725,125 companies runsonwhat tracks.
Has Under 40 CEOs changed tools recently?
Yes. On runsonwhat's rechecks, Under 40 CEOs started using Amazon SES (latest on November 2, 2026) and stopped using Amazon SES (latest on October 25, 2026). A change counts only between two checks of under40ceos.com done the same way.
How does runsonwhat know what Under 40 CEOs uses?
runsonwhat reads public records only. Of the 17 tools at Under 40 CEOs, 8 were found through DNS records, 7 through code on under40ceos.com and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and under40ceos.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.