runsonwhat

SIENN's tech stack

What does SIENN use?

SIENN (sienn.com) uses at least 24 tools we can see from public records, including Microsoft 365 for email and documents, Leadinfo for sales, Google Analytics for analytics and WordPress for its website. Last checked .

Industry
IT Services
Size
51–200 employees
Based in
Nijmegen, Netherlands
Founded
2004
LinkedIn
Company page
Re-check liveVisit sienn.com
Tools found
24
Categories
13
Layers
4 of 5
Last checked
Oct 2026

SIENN'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.

Application

5 tools, what the product is built with

Frontend

AI

Media & UI

Data & Observability

7 tools, what they measure and store

Monitoring

Analytics

Go-to-market

7 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Company Ops

5 tools, what the team runs on day to day

Email Delivery

Workspace

Dev Tools

Security & Compliance

Companies like SIENN also use

Tools common among companies with a similar stack that we haven't found at SIENN.

Companies with a stack like SIENN's

Ranked by shared tools, with rare tools counting more.

More IT Services companies

Other IT Services companies we've checked.

SIENN tech stack FAQ

What tools does SIENN use?

As of October 2026, runsonwhat has found 24 tools at SIENN (sienn.com) in public records. Application: jQuery, Google Fonts and GSAP. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 16, 2026.

What sales tools does SIENN use?

The sales tools runsonwhat has found at SIENN are Leadinfo (October 2026); no CRM shows up in SIENN's public records. runsonwhat found Leadinfo through Leadinfo code on sienn.com. Leadinfo is used by 5,398 companies runsonwhat tracks.

What email provider does SIENN use?

SIENN uses Microsoft 365 for email and office software, alongside 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 700,587 companies runsonwhat tracks.

What analytics tools does SIENN use?

SIENN uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and Matomo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on sienn.com. Google Analytics is used by 850,050 companies runsonwhat tracks.

What is SIENN's website built with?

SIENN uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on sienn.com. WordPress is used by 581,215 companies runsonwhat tracks.

What marketing software does SIENN use?

SIENN uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,043 companies runsonwhat tracks.

Does SIENN use jQuery?

Yes. runsonwhat found jQuery at SIENN through jQuery code on sienn.com. jQuery is a Frontend tool used by 895,740 companies runsonwhat tracks.

Which companies have a tech stack similar to SIENN's?

The companies with the stacks most like SIENN's are Bemer (Liechtenstein), Erhvervshus Hovedstaden, Powerfront and Bostik Australia, according to runsonwhat (October 2026). Each shares 5 to 15 tools with SIENN, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what SIENN uses?

runsonwhat reads public records only. Of the 24 tools at SIENN, 16 were found through code on sienn.com, 4 through DNS records, 2 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sienn.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.