PSI's tech stack
What does PSI use?
PSI (psiweb.org) uses at least 17 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Progress Sitefinity for its website. Last checked .
- Industry
- Non-profit Organization Management
- Size
- 51–200 employees
- Based in
- Sheffield, United Kingdom
- Founded
- 1977
- Company page
- Tools found
- 17
- Categories
- 12
- Layers
- 5 of 5
- Last checked
- Oct 2026
PSI'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
3 tools, where the bytes are served from
Application
4 tools, what the product is built with
Frontend
Data & Observability
2 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Company Ops
3 tools, what the team runs on day to day
Companies like PSI also use
Tools common among companies with a similar stack that we haven't found at PSI.
Companies with a stack like PSI's
Ranked by shared tools, with rare tools counting more.
Centrum LocikaNon-profit Organization Management · 51–200 people4in common
Bateman GroundworksConstruction · 51–200 people6in common
HotovoSoftware · 51–200 people5in common
EntoneTelecommunications · 51–200 people6in common
HoffmannResearch · 51–200 people6in common
YobbersHuman Resources · 51–200 people4in common
het CCCPrimary/secondary Education · 51–200 people6in common
UH-KoneistusConsumer Goods · 51–200 people2in common
More Non-profit Organization Management companies
Other Non-profit Organization Management companies we've checked.
PSI tech stack FAQ
What tools does PSI use?
As of October 2026, runsonwhat has found 17 tools at PSI (psiweb.org) in public records. Edge & Hosting: Cloudflare, GoDaddy and Microsoft Azure. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Microsoft Ads and Constant Contact. Company Ops: Microsoft 365, SendGrid and CookieHub. Last checked October 8, 2026.
What cloud does PSI run on?
PSI uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure and code on psiweb.org. Microsoft Azure is used by 44,760 companies runsonwhat tracks.
What email provider does PSI use?
PSI uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on psiweb.org. Microsoft 365 is used by 697,023 companies runsonwhat tracks.
What analytics tools does PSI use?
PSI uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on psiweb.org. Google Analytics is used by 845,264 companies runsonwhat tracks.
What is PSI's website built with?
PSI uses Progress Sitefinity for its website, according to runsonwhat (October 2026). runsonwhat found Progress Sitefinity through Progress Sitefinity code on psiweb.org. Progress Sitefinity is used by 682 companies runsonwhat tracks.
What marketing software does PSI use?
PSI uses Constant Contact for marketing, according to runsonwhat (October 2026). runsonwhat found Constant Contact through email records that authorize Constant Contact. Constant Contact is used by 13,404 companies runsonwhat tracks.
Does PSI use jQuery?
Yes. runsonwhat found jQuery at PSI through jQuery code on psiweb.org. jQuery is a Frontend tool used by 892,992 companies runsonwhat tracks.
Which companies have a tech stack similar to PSI's?
The companies with the stacks most like PSI's are Centrum Locika, Bateman Groundworks, Hotovo and Entone, according to runsonwhat (October 2026). Each shares 4 to 6 tools with PSI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what PSI uses?
runsonwhat reads public records only. Of the 17 tools at PSI, 11 were found through code on psiweb.org, 2 through DNS records, 2 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and psiweb.org 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.