What technologies does SIENN use?

SIENN uses Outlook, Microsoft Office 365, Mobile Friendly, Apache, WordPress.org. View their full technology stack — including all 16 detected tools — on StackWho.

Who is the Chief Executive Officer Sienn Group of SIENN?

Gerard Hubbers is the Chief Executive Officer Sienn Group at SIENN. Get verified contact information on StackWho.

Who is the Managing Director of SIENN?

Grzegorz Swistek is the Managing Director at SIENN. Get verified contact information on StackWho.

Where is SIENN located?

SIENN is based in Sarnen, Obwalden, Switzerland.

SIENN

sienn.com

information technology & services

sienn.com

Sarnen, Obwalden, Switzerland

11-50 employees

27719000 revenue

LinkedIn Profile

About SIENN

web content management, dataconnection, search engine optimization, database management, portal, intranet, it infrastructure, odata, big data, mobile, windows azure, mvc, net, online marketing, usabilty, conversion optimization, it services & it consulting, b2b, sienn method, real-time management

SIENN's Tech Stack

AI/ML

Decision Makers at SIENN

2 contacts

Gerard Hubbers

Chief Executive Officer Sienn Group

g***@sienn.com Sign up to view

Grzegorz Swistek

Managing Director

g***@sienn.pl Sign up to view

Unlock full contact details including verified emails and LinkedIn profiles

Upgrade to Pro

16 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

SIENN's Position in the StackWho Database

• SIENN is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 8 companies in Obwalden are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as SIENN).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does SIENN use?

SIENN uses Outlook, Microsoft Office 365, Mobile Friendly, Apache, WordPress.org, reCAPTCHA, and 10 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at SIENN?

StackWho has verified email addresses for 2 decision makers at SIENN. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach SIENN directly for sales, recruiting, or partnerships.

What industry is SIENN in?

SIENN operates in the information technology & services industry, headquartered in Sarnen, Obwalden, Switzerland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export SIENN's contact data?

Yes. StackWho Pro members can export decision maker contact data for SIENN and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.