Green Letterbox's tech stack
What does Green Letterbox use?
Green Letterbox (greenletterbox.com) uses at least 9 tools we can see from public records, including Leadinfo for sales, HubSpot CMS for its website, Amazon SES for email delivery and Microsoft 365 for email and documents. Last checked .
- Industry
- IT Services
- Size
- 11–50 employees
- Based in
- Dublin, Ireland
- Founded
- 2013
- Company page
- Tools found
- 9
- Categories
- 9
- Layers
- 4 of 5
- Last checked
- Nov 2026
Green Letterbox's stack, layer by layer
Of 9 tools, 5 came from website code, 2 from email records, 1 from DNS verification records and 1 from other records. 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
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
4 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Sales & CRM
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
Green Letterbox tech stack FAQ
What tools does Green Letterbox use?
As of November 2026, runsonwhat has found 9 tools at Green Letterbox (greenletterbox.com) in public records. Edge & Hosting: Cloudflare and Amazon Route 53. Data & Observability: Google Analytics. Go-to-market: LinkedIn Insight Tag, HubSpot CMS and Leadinfo. Company Ops: Microsoft 365 and Amazon SES. Last checked November 9, 2026.
What sales tools does Green Letterbox use?
The sales tools runsonwhat has found at Green Letterbox are Leadinfo (November 2026); no CRM shows up in Green Letterbox's public records. runsonwhat found Leadinfo through Leadinfo code on greenletterbox.com. Leadinfo is used by 6,238 companies runsonwhat tracks.
What email provider does Green Letterbox use?
Green Letterbox uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 730,663 companies runsonwhat tracks.
What analytics tools does Green Letterbox use?
Green Letterbox uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on greenletterbox.com. Google Analytics is used by 903,796 companies runsonwhat tracks.
What is Green Letterbox's website built with?
Green Letterbox uses HubSpot CMS for its website, according to runsonwhat (November 2026). runsonwhat found HubSpot CMS through HubSpot CMS code on greenletterbox.com. HubSpot CMS is used by 34,343 companies runsonwhat tracks.
Does Green Letterbox use Cloudflare?
Yes. runsonwhat found Cloudflare at Green Letterbox through Cloudflare code on greenletterbox.com. Cloudflare is a CDN & Edge tool used by 731,346 companies runsonwhat tracks.
How does runsonwhat know what Green Letterbox uses?
runsonwhat reads public records only. Of the 9 tools at Green Letterbox, 5 were found through code on greenletterbox.com, 2 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and greenletterbox.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.