Red Sift Limited's tech stack
What does Red Sift Limited use?
Red Sift Limited (redsift.com) uses at least 39 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Salesforce for sales and Intercom for customer support. Last checked .
“Red Sift's mission is to create a fundamentally safer internet through proactive security across email, web and PKI. Powered by the Red Sift Pulse Platform.”
- Industry
- Software
- Size
- 51–200 employees
- Based in
- London, United Kingdom
- Founded
- 2015
- Company page
- Tools found
- 39
- Categories
- 18
- Oldest proven tool
- Oct 2016
- Last checked
- Oct 2026
Red Sift Limited'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
Hosting & Cloud
CDN & Edge
Application
8 tools, what the product is built with
Backend & Database
Search
Media & UI
Data & Observability
6 tools, what they measure and store
Go-to-market
10 tools, how they find and keep customers
Website & CMS
Marketing
Sales & CRM
Support & Docs
Company Ops
12 tools, what the team runs on day to day
Dev Tools
People & HR
What changed at Red Sift Limited
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Red Sift Limited tech stack FAQ
What tools does Red Sift use?
As of October 2026, runsonwhat has found 39 tools at Red Sift (redsift.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon CloudFront. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, Microsoft Ads and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and Atlassian. Last checked October 7, 2026.
What cloud does Red Sift run on?
Red Sift uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on redsift.com. Amazon Web Services is used by 144,461 companies runsonwhat tracks.
What CRM does Red Sift use?
Red Sift uses Salesforce for its CRM, alongside ZoomInfo and 6sense, according to runsonwhat (October 2026). runsonwhat found Salesforce through a subdomain that points at Salesforce, and Red Sift has used it since at least March 2023. Salesforce is used by 33,076 companies runsonwhat tracks.
What email provider does Red Sift use?
Red Sift uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 696,467 companies runsonwhat tracks.
What does Red Sift use for customer support?
Red Sift uses Intercom for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Intercom through Intercom code on redsift.com. Intercom is used by 8,182 companies runsonwhat tracks.
What analytics tools does Red Sift use?
Red Sift uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and HockeyStack, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on redsift.com. Google Analytics is used by 844,418 companies runsonwhat tracks.
How long has Red Sift used Amazon CloudFront?
Red Sift has used Amazon CloudFront since at least October 2016, going by the first public certificate of the redsift.com subdomain that points at Amazon CloudFront. Other long-running tools at Red Sift include Teamtailor (since February 2022) and Salesforce (since March 2023).
Does Red Sift use Google Fonts?
Yes. runsonwhat found Google Fonts at Red Sift through Google Fonts code on redsift.com. Google Fonts is a Media & UI tool used by 785,922 companies runsonwhat tracks.
Does Red Sift use AI tools?
Yes. runsonwhat has found Anthropic at Red Sift; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Red Sift may use more AI tools than these.
Which companies have a tech stack similar to Red Sift's?
The companies with the stacks most like Red Sift's are Smartness, InRule Technology®, Cypress.io and Vapi, according to runsonwhat (October 2026). Each shares 15 to 23 tools with Red Sift, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Red Sift uses?
runsonwhat reads public records only. Of the 39 tools at Red Sift, 20 were found through code on redsift.com, 14 through DNS records, 3 through subdomains that point at the vendor, 1 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and redsift.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.