3i's tech stack
What does 3i use?
3i (3i.com) uses at least 19 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Mailchimp for marketing and Cloudflare for content delivery. Last checked .
- Based in
- United Kingdom
- Founded
- 1945
- Company page
- Tools found
- 19
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Oct 2026
3i'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
CDN & Edge
DNS
Application
3 tools, what the product is built with
Media & UI
Data & Observability
4 tools, what they measure and store
Go-to-market
4 tools, how they find and keep customers
Company Ops
6 tools, what the team runs on day to day
Workspace
Finance & Legal
Security & Compliance
Companies like 3i also use
Tools common among companies with a similar stack that we haven't found at 3i.
Companies with a stack like 3i's
Ranked by shared tools, with rare tools counting more.
Golub Capitalgolubcapital.com12in common
IncytePharmaceuticals11in common
DigitalBridgeAsset Management12in common
Nextrackernextracker.com6in common
Ridgemont Equity Partnersridgemontep.com9in common
W. P. Carey & Co.Real Estate Investment Trust8in common
Tide Platform Limitedtide.co12in common
New Jersey Resourcesnjresources.com10in common
3i tech stack FAQ
What tools does 3i use?
As of October 2026, runsonwhat has found 19 tools at 3i (3i.com) in public records. Edge & Hosting: Cloudflare and CSC. Application: Vimeo, OpenAI and Perplexity. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Microsoft Ads, Mailchimp and LinkedIn Insight Tag. Company Ops: Microsoft 365, Cookiebot and Mimecast. Last checked October 4, 2026.
What email provider does 3i use?
3i 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. Microsoft 365 is used by 694,568 companies runsonwhat tracks.
What analytics tools does 3i use?
3i uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Plausible, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on 3i.com. Google Analytics is used by 826,593 companies runsonwhat tracks.
What marketing software does 3i use?
3i uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on 3i.com. Mailchimp is used by 111,722 companies runsonwhat tracks.
Does 3i use Cloudflare?
Yes. runsonwhat found Cloudflare at 3i through a subdomain that points at Cloudflare and code on 3i.com. Cloudflare is a CDN & Edge tool used by 682,507 companies runsonwhat tracks.
Does 3i use AI tools?
Yes. runsonwhat has found OpenAI and Perplexity at 3i; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so 3i may use more AI tools than these.
Which companies have a tech stack similar to 3i's?
The companies with the stacks most like 3i's are Golub Capital, Incyte, DigitalBridge and Nextracker, according to runsonwhat (October 2026). Each shares 6 to 12 tools with 3i, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what 3i uses?
runsonwhat reads public records only. Of the 19 tools at 3i, 10 were found through code on 3i.com, 7 through DNS records, 1 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 3i.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.