What technologies does Concept7 use?

Concept7 uses Cloudflare DNS, Mailchimp Mandrill, Gmail, Google Apps, Google Dynamic Remarketing. View their full technology stack — including all 13 detected tools — on StackWho.

Who is the Director / Owner of Concept7?

Valentijn Duijser is the Director / Owner at Concept7. Get verified contact information on StackWho.

Who is the Product Owner of Concept7?

Saskia Otten is the Product Owner at Concept7. Get verified contact information on StackWho.

Where is Concept7 located?

Concept7 is based in Groningen, Groningen, Netherlands.

Concept7

Q: What industry is Concept7 in?

Concept7 operates in the design industry.

concept7.nl

design

concept7.nl

Groningen, Groningen, Netherlands

11-50 employees

LinkedIn Profile

About Concept7

development, software testing, visual design, digitale strategie, gebruikersonderzoek, ux research, eyetrack, customer journey, personas, redesign, user research, online marketing, design thinking, humancentered design, usability, user experience, conversion rate optimization, user centered design, usability testing, interaction design

Concept7's Tech Stack

Decision Makers at Concept7

5 contacts

Valentijn Duijser

Director / Owner

v***@concept7.nl Sign up to view

Saskia Otten

Product Owner

s***@concept7.nl Sign up to view

Mattijs Kemmink

Test Lead, Consultant & Trainer at Concept7, CEO

m***@concept7.nl Sign up to view

John Wittmaekers

Directeur / Owner

j***@concept7.nl Sign up to view

Sebastiaan Prenger

CRO Consultant

s***@concept7.nl Sign up to view

Unlock full contact details including verified emails and LinkedIn profiles

Upgrade to Pro

13 technologies detected · 5 decision makers · Emails available

Sales Outreach Angle

Concept7 uses Cloudflare DNS, Mailchimp Mandrill, Gmail among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

Concept7's Position in the StackWho Database

• Concept7 is 1 of 11,679 design companies tracked in StackWho.
• 11,670 design companies in our database have verified decision-maker emails (100% of the cohort).
• 267 companies in Groningen are in the StackWho database.
• 3,732 design companies are in the 11-50 employee range (same size as Concept7).

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 Concept7 use?

Concept7 uses Cloudflare DNS, Mailchimp Mandrill, Gmail, Google Apps, Google Dynamic Remarketing, Google Tag Manager, and 7 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Concept7?

StackWho has verified email addresses for 5 decision makers at Concept7. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Concept7 directly for sales, recruiting, or partnerships.

What industry is Concept7 in?

Concept7 operates in the design industry, headquartered in Groningen, Groningen, Netherlands. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Concept7's contact data?

Yes. StackWho Pro members can export decision maker contact data for Concept7 and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.