runsonwhat

Cleo's tech stack

What does Cleo use?

Cleo (extol.com) uses at least 7 tools we can see from public records, including Microsoft 365 for email and documents, Calendly for sales, Google Tag Manager for analytics and Brevo for marketing. Last checked .

“Cleo is the leader in Supply Chain Orchestration, providing a unified ecosystem integration platform that helps companies build agile, resilient supply chains through EDI and API integration.”

LinkedIn
Company page
Re-check liveVisit extol.com
Tools found
7
Categories
7
Layers
4 of 5
Last checked
Oct 2026

Cleo'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

Data & Observability

2 tools, what they measure and store

Analytics

Flags & Experiments

Go-to-market

2 tools, how they find and keep customers

Marketing

Sales & CRM

Company Ops

2 tools, what the team runs on day to day

Workspace

Security & Compliance

Companies like Cleo also use

Tools common among companies with a similar stack that we haven't found at Cleo.

Companies with a stack like Cleo's

Ranked by shared tools, with rare tools counting more.

Cleo tech stack FAQ

What tools does Cleo use?

As of October 2026, runsonwhat has found 7 tools at Cleo (extol.com) in public records. Edge & Hosting: Cloudflare. Data & Observability: Google Tag Manager and Intellimize. Go-to-market: Brevo and Calendly. Company Ops: Microsoft 365 and reCAPTCHA. Last checked October 30, 2026.

What sales tools does Cleo use?

The sales tools runsonwhat has found at Cleo are Calendly (October 2026); no CRM shows up in Cleo's public records. runsonwhat found Calendly through Calendly code on extol.com. Calendly is used by 31,224 companies runsonwhat tracks.

What email provider does Cleo use?

Cleo uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 715,324 companies runsonwhat tracks.

What analytics tools does Cleo use?

Cleo uses Google Tag Manager for analytics, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on extol.com. Google Tag Manager is used by 512,277 companies runsonwhat tracks.

What marketing software does Cleo use?

Cleo uses Brevo for marketing, according to runsonwhat (October 2026). runsonwhat found Brevo through Brevo code on extol.com. Brevo is used by 80,922 companies runsonwhat tracks.

Does Cleo use Cloudflare?

Yes. runsonwhat found Cloudflare at Cleo through DNS records that point at Cloudflare. Cloudflare is a CDN & Edge tool used by 714,439 companies runsonwhat tracks.

Which companies have a tech stack similar to Cleo's?

The companies with the stacks most like Cleo's are General Catalyst, Building Industry Association Of Washington, Makrosystems Tecnologia De Informação and Venn, according to runsonwhat (October 2026). Each shares 3 to 4 tools with Cleo, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Cleo uses?

runsonwhat reads public records only. Of the 7 tools at Cleo, 5 were found through code on extol.com, 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and extol.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.