runsonwhat

OCSI's tech stack

What does OCSI use?

OCSI (ocsi.uk) uses at least 18 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, WordPress for its website and Cloudflare for content delivery. Last checked .

Industry
Research
Size
11–50 employees
Based in
Brighton, United Kingdom
Founded
2003
LinkedIn
Company page
Re-check liveVisit ocsi.uk
Tools found
18
Categories
9
Layers
5 of 5
Last checked
Oct 2026

OCSI'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

Data & Observability

2 tools, what they measure and store

Analytics

Go-to-market

3 tools, how they find and keep customers

Website & CMS

Marketing

Company Ops

9 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

Companies like OCSI also use

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

Companies with a stack like OCSI's

Ranked by shared tools, with rare tools counting more.

More Research companies

Other Research companies we've checked.

OCSI tech stack FAQ

What tools does OCSI use?

As of October 2026, runsonwhat has found 18 tools at OCSI (ocsi.uk) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Microsoft Clarity. Go-to-market: WordPress and Yoast SEO. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 22, 2026.

What email provider does OCSI use?

OCSI uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,528 companies runsonwhat tracks.

What analytics tools does OCSI use?

OCSI uses Google Analytics for analytics, alongside Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on ocsi.uk. Google Analytics is used by 895,155 companies runsonwhat tracks.

What is OCSI's website built with?

OCSI uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on ocsi.uk. WordPress is used by 602,325 companies runsonwhat tracks.

Does OCSI use jQuery?

Yes. runsonwhat found jQuery at OCSI through jQuery code on ocsi.uk. jQuery is a Frontend tool used by 923,638 companies runsonwhat tracks.

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

The companies with the stacks most like OCSI's are Squeaker.net, Mises Institute, SMK Immo Treuhand and Deutsche Kinemathek, according to runsonwhat (October 2026). Each shares 4 to 11 tools with OCSI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what OCSI uses?

runsonwhat reads public records only. Of the 18 tools at OCSI, 8 were found through code on ocsi.uk, 8 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ocsi.uk 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.