What technologies does De Tester use?

De Tester uses Gmail, Google Apps, WordPress.org, Google Tag Manager, Mobile Friendly. View their full technology stack — including all 15 detected tools — on StackWho.

Who is the Co-Founder of De Tester?

Stijn Savelkoul is the Co-Founder at De Tester. Get verified contact information on StackWho.

Who is the Co-Founder @ Tester of De Tester?

Maximiliaan Lensvelt is the Co-Founder @ Tester at De Tester. Get verified contact information on StackWho.

Where is De Tester located?

De Tester is based in Amsterdam, North Holland, Netherlands.

De Tester

de-soa-tester.nl

health, wellness & fitness

de-soa-tester.nl

Amsterdam, North Holland, Netherlands

1-10 employees

LinkedIn Profile

About De Tester

soazorg, retail health & personal care products, health, wellness & fitness

De Tester's Tech Stack

Decision Makers at De Tester

2 contacts

Stijn Savelkoul

Co-Founder

s***@the-tester.com Sign up to view

Maximiliaan Lensvelt

Co-Founder @ Tester

m***@the-tester.com Sign up to view

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15 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.

De Tester's Position in the StackWho Database

• De Tester is 1 of 9,968 health, wellness & fitness companies tracked in StackWho.
• 9,936 health, wellness & fitness companies in our database have verified decision-maker emails (100% of the cohort).
• 4,069 companies in North Holland are in the StackWho database.
• 5,904 health, wellness & fitness companies are in the 1-10 employee range (same size as De Tester).

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 De Tester use?

De Tester uses Gmail, Google Apps, WordPress.org, Google Tag Manager, Mobile Friendly, DoubleClick Conversion, and 9 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at De Tester?

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

What industry is De Tester in?

De Tester operates in the health, wellness & fitness industry, headquartered in Amsterdam, North Holland, Netherlands. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export De Tester's contact data?

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