SThree's tech stack
What does SThree use?
SThree (sthree.com) uses at least 18 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Umbraco for its website and Cloudflare for content delivery. Last checked .
- Industry
- Employment Services
- Size
- 1,001–5,000 employees
- Based in
- London, United Kingdom
- Founded
- 1986
- Company page
- Tools found
- 18
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Oct 2026
SThree'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
4 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Go-to-market
1 tool, how they find and keep customers
Website & CMS
Company Ops
10 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Security & Compliance
SThree tech stack FAQ
What tools does SThree use?
As of October 2026, runsonwhat has found 18 tools at SThree (sthree.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Anthropic and OpenAI. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Umbraco. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 9, 2026.
What email provider does SThree use?
SThree uses Microsoft 365 for email and office software, alongside Apple Business, 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 694,670 companies runsonwhat tracks.
What analytics tools does SThree use?
SThree uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on sthree.com. Google Analytics is used by 838,459 companies runsonwhat tracks.
What is SThree's website built with?
SThree uses Umbraco for its website, according to runsonwhat (October 2026). runsonwhat found Umbraco through Umbraco code on sthree.com. Umbraco is used by 1,705 companies runsonwhat tracks.
Does SThree use jQuery?
Yes. runsonwhat found jQuery at SThree through jQuery code on sthree.com. jQuery is a Frontend tool used by 887,512 companies runsonwhat tracks.
Does SThree use AI tools?
Yes. runsonwhat has found Anthropic and OpenAI at SThree; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so SThree may use more AI tools than these.
Which companies have a tech stack similar to SThree's?
The companies with the stacks most like SThree's are SThree, RGA, Direxion and OutKick, according to runsonwhat (October 2026). Each shares 8 to 11 tools with SThree, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what SThree uses?
runsonwhat reads public records only. Of the 18 tools at SThree, 10 were found through DNS records, 5 through code on sthree.com, 2 through email records 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 sthree.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.