Castro's tech stack
What does Castro use?
Castro (castrolighting.com) uses at least 13 tools we can see from public records, including Microsoft 365 for email and documents, Smartsupp for customer support, Google Analytics for analytics and Mailchimp for marketing. Last checked .
- Industry
- Design
- Size
- 51–200 employees
- Based in
- Rio Tinto, Portugal
- Founded
- 1978
- Company page
- Tools found
- 13
- Categories
- 8
- Layers
- 5 of 5
- Last checked
- Oct 2026
Castro'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
Frontend
Media & UI
Data & Observability
2 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Marketing
Support & Docs
Company Ops
1 tool, what the team runs on day to day
Workspace
Companies like Castro also use
Tools common among companies with a similar stack that we haven't found at Castro.
Companies with a stack like Castro's
Ranked by shared tools, with rare tools counting more.
TrackGPSIT Services · 51–200 people10in common
Club MiralagosReal Estate · 51–200 people6in common
SagesSoftware · 51–200 people7in common
Supply Value ConsultingManagement Consulting · 51–200 people6in common
Inter-Mir SarlStaffing and Recruiting · 51–200 people3in common
Archive-IT BelgiumIT Services · 51–200 people6in common
Superauto SpaAutomotive · 51–200 people8in common
AMM | Administrador del Mercado MayoristaNon-profit Organization Management · 51–200 people6in common
Castro tech stack FAQ
What tools does Castro use?
As of October 2026, runsonwhat has found 13 tools at Castro (castrolighting.com) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts, Vimeo and Tailwind CSS. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and Mailchimp. Company Ops: Microsoft 365. Last checked October 8, 2026.
What email provider does Castro use?
Castro uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 700,583 companies runsonwhat tracks.
What does Castro use for customer support?
Castro uses Smartsupp for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Smartsupp through Smartsupp code on castrolighting.com. Smartsupp is used by 1,520 companies runsonwhat tracks.
What analytics tools does Castro use?
Castro uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on castrolighting.com. Google Analytics is used by 849,975 companies runsonwhat tracks.
What marketing software does Castro use?
Castro uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp and code on castrolighting.com. Mailchimp is used by 113,037 companies runsonwhat tracks.
Does Castro use Google Fonts?
Yes. runsonwhat found Google Fonts at Castro through Google Fonts code on castrolighting.com. Google Fonts is a Media & UI tool used by 789,544 companies runsonwhat tracks.
Which companies have a tech stack similar to Castro's?
The companies with the stacks most like Castro's are TrackGPS, Club Miralagos, Sages and Supply Value Consulting, according to runsonwhat (October 2026). Each shares 6 to 10 tools with Castro, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Castro uses?
runsonwhat reads public records only. Of the 13 tools at Castro, 11 were found through code on castrolighting.com, 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and castrolighting.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.