Exclaimer Ltd's tech stack
What does Exclaimer Ltd use?
Exclaimer Ltd (exclaimer.com) uses at least 38 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .
“Centrally manage consistent, secure email signatures across Microsoft 365 & Google. Trusted by over 9 million email accounts worldwide. Exclaimer created the first-ever email signature software in 2001.”
- Industry
- Software
- Size
- 51–200 employees
- Based in
- Farnborough, United Kingdom
- Founded
- 2001
- Company page
- Tools found
- 38
- Categories
- 18
- Oldest proven tool
- Jul 2015
- Last checked
- Oct 2026
Exclaimer Ltd'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
5 tools, where the bytes are served from
CDN & Edge
Application
6 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Monitoring
Flags & Experiments
Go-to-market
9 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
16 tools, what the team runs on day to day
Email Delivery
Collaboration
Dev Tools
Security & Compliance
Other traces
What changed at Exclaimer Ltd
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Companies like Exclaimer Ltd also use
Tools common among companies with a similar stack that we haven't found at Exclaimer Ltd.
Companies with a stack like Exclaimer Ltd's
Ranked by shared tools, with rare tools counting more.
Sprout Social, Inc.1,001–5,000 people28in common
Alteryx, Inc.Data Analytics Software · 1,001–5,000 people15in common
insightsoftwareinsightsoftware.com21in common
DiligentSoftware As a Service21in common
LiveRampliveramp.com16in common
AdRollSoftware As a Service17in common
PegasystemsSoftware12in common
PointClickCareSoftware · 1,001–5,000 people19in common
More Software companies
Other Software companies we've checked.
Exclaimer Ltd tech stack FAQ
What tools does Exclaimer use?
As of October 2026, runsonwhat has found 38 tools at Exclaimer (exclaimer.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Microsoft Azure. Application: React, Next.js and Anthropic. Data & Observability: Optimizely and Atlassian Statuspage. Go-to-market: Meta Pixel, HubSpot and Zendesk. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 10, 2026.
What cloud does Exclaimer run on?
Exclaimer uses Amazon Web Services for hosting and cloud infrastructure, alongside Microsoft Azure, Netlify and Aptible, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on exclaimer.com. Amazon Web Services is used by 144,291 companies runsonwhat tracks.
What CRM does Exclaimer use?
Exclaimer uses HubSpot for its CRM, alongside Salesforce, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on exclaimer.com. HubSpot is used by 90,771 companies runsonwhat tracks.
What email provider does Exclaimer use?
Exclaimer uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on exclaimer.com. Microsoft 365 is used by 694,672 companies runsonwhat tracks.
What does Exclaimer use for customer support?
Exclaimer uses Zendesk for customer support and documentation, alongside Drift, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on exclaimer.com. Zendesk is used by 40,313 companies runsonwhat tracks.
What is Exclaimer's website built with?
Exclaimer uses Storyblok for its website, according to runsonwhat (October 2026). runsonwhat found Storyblok through Storyblok code on exclaimer.com. Storyblok is used by 2,366 companies runsonwhat tracks.
How long has Exclaimer used EasyRedir?
Exclaimer has used EasyRedir since at least July 2015, going by the first public certificate of the exclaimer.com subdomain that points at EasyRedir. Other long-running tools at Exclaimer include Atlassian Statuspage (since October 2018), Microsoft Azure (since July 2020) and Aptible (since January 2023).
Does Exclaimer use Cloudflare?
Yes. runsonwhat found Cloudflare at Exclaimer through DNS records that point at Cloudflare and code on exclaimer.com. Cloudflare is a CDN & Edge tool used by 686,697 companies runsonwhat tracks.
Does Exclaimer use AI tools?
Yes. runsonwhat has found Anthropic at Exclaimer; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Exclaimer may use more AI tools than these.
Which companies have a tech stack similar to Exclaimer's?
The companies with the stacks most like Exclaimer's are Sprout Social, Alteryx, insightsoftware and Diligent, according to runsonwhat (October 2026). Each shares 15 to 28 tools with Exclaimer, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Exclaimer uses?
runsonwhat reads public records only. Of the 38 tools at Exclaimer, 16 were found through DNS records, 9 through code on exclaimer.com, 8 through email records, 4 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and exclaimer.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.