FiO's tech stack
What does FiO use?
FiO (fio.one) uses at least 18 tools we can see from public records, including Proton Mail for email and documents, Calendly for sales, WordPress for its website and Brevo for marketing. Last checked .
- Industry
- IT Services
- Size
- 11–50 employees
- Based in
- Houston, United States
- Founded
- 2018
- Company page
- Tools found
- 18
- Categories
- 10
- Layers
- 4 of 5
- Last checked
- Oct 2026
FiO'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
6 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Sales & CRM
Company Ops
8 tools, what the team runs on day to day
Email Delivery
Workspace
Companies like FiO also use
Tools common among companies with a similar stack that we haven't found at FiO.
Companies with a stack like FiO's
Ranked by shared tools, with rare tools counting more.
CerunoIT Services · 11–50 people5in common
DoetaylorIT Services · 11–50 people4in common
Hotjar | By ContentsquareIT Services · 201–1,000 people7in common
Arktos.comPublishing · 11–50 people5in common
Nua GroupHuman Resources · 11–50 people3in common
CredalsLegal Services · 11–50 people3in common
Cerg GroupManagement Consulting · 11–50 people2in common
Conquest Asset ManagementAsset Management · 11–50 people3in common
More IT Services companies
Other IT Services companies we've checked.
FiO tech stack FAQ
What tools does FiO use?
As of October 2026, runsonwhat has found 18 tools at FiO (fio.one) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Vimeo and YouTube. Go-to-market: WordPress, Meta Pixel and Yoast SEO. Company Ops: reCAPTCHA, Let's Encrypt and Mailgun. Last checked October 7, 2026.
What sales tools does FiO use?
The sales tools runsonwhat has found at FiO are Calendly (October 2026); no CRM shows up in FiO's public records. runsonwhat found Calendly through Calendly code on fio.one. Calendly is used by 24,244 companies runsonwhat tracks.
What email provider does FiO use?
FiO uses Proton Mail for email and office software, according to runsonwhat (October 2026). runsonwhat found Proton Mail through a DNS verification record for Proton Mail and email records. Proton Mail is used by 2,432 companies runsonwhat tracks.
What is FiO's website built with?
FiO uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on fio.one. WordPress is used by 581,233 companies runsonwhat tracks.
What marketing software does FiO use?
FiO uses Brevo for marketing, according to runsonwhat (October 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 78,137 companies runsonwhat tracks.
Does FiO use jQuery?
Yes. runsonwhat found jQuery at FiO through jQuery code on fio.one. jQuery is a Frontend tool used by 895,773 companies runsonwhat tracks.
Which companies have a tech stack similar to FiO's?
The companies with the stacks most like FiO's are Ceruno, Doetaylor, Hotjar | By Contentsquare and Arktos.com, according to runsonwhat (October 2026). Each shares 4 to 7 tools with FiO, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what FiO uses?
runsonwhat reads public records only. Of the 18 tools at FiO, 10 were found through DNS records, 7 through code on fio.one 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 fio.one 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.