RES's tech stack
What does RES use?
RES (res-group.com) uses at least 34 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and WordPress for its website. Last checked .
- Based in
- United Kingdom
- Founded
- 1982
- Company page
- Tools found
- 34
- Categories
- 16
- Layers
- 5 of 5
- Changes seen
- 2
RES'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
Hosting & Cloud
CDN & Edge
Application
6 tools, what the product is built with
Frontend
Backend & Database
Media & UI
Data & Observability
4 tools, what they measure and store
Go-to-market
8 tools, how they find and keep customers
Company Ops
14 tools, what the team runs on day to day
Collaboration
Dev Tools
Finance & Legal
Security & Compliance
What changed at RES
Recent starts and stops
- StoppedKnowBe4
- StartedProofpoint
RES tech stack FAQ
What tools does RES use?
As of October 2026, runsonwhat has found 34 tools at RES (res-group.com) in public records. Edge & Hosting: Cloudflare and WP Engine. Application: jQuery, Vimeo and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026.
What cloud does RES run on?
RES uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found WP Engine through WP Engine code on res-group.com. WP Engine is used by 50,802 companies runsonwhat tracks.
What email provider does RES use?
RES 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 and email records. Microsoft 365 is used by 705,087 companies runsonwhat tracks.
What analytics tools does RES use?
RES uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Dynamics 365 Customer Voice, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on res-group.com. Google Analytics is used by 859,895 companies runsonwhat tracks.
What is RES's website built with?
RES uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on res-group.com. WordPress is used by 586,463 companies runsonwhat tracks.
What marketing software does RES use?
RES uses Mailchimp for marketing, alongside Pardot, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on res-group.com. Mailchimp is used by 113,642 companies runsonwhat tracks.
Does RES use jQuery?
Yes. runsonwhat found jQuery at RES through jQuery code on res-group.com. jQuery is a Frontend tool used by 902,722 companies runsonwhat tracks.
Does RES use AI tools?
Yes. runsonwhat has found Anthropic at RES; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so RES may use more AI tools than these.
Has RES changed tools recently?
Yes. On runsonwhat's rechecks, RES started using Proofpoint (latest on October 10, 2026) and stopped using KnowBe4 (latest on October 10, 2026). A change counts only between two checks of res-group.com done the same way.
Which companies have a tech stack similar to RES's?
The companies with the stacks most like RES' are Stryker (United Kingdom), Møller Mobility Group, HP Software Division and Express Scripts, according to runsonwhat (October 2026). Each shares 10 to 19 tools with RES, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what RES uses?
runsonwhat reads public records only. Of the 34 tools at RES, 16 were found through code on res-group.com, 12 through DNS records and 6 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and res-group.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.