What technologies does Selectum use?

Selectum uses SendInBlue, Outlook, MailChimp SPF, Microsoft Office 365, Hotjar. View their full technology stack — including all 16 detected tools — on StackWho.

Who is the Owner of Selectum?

Mark Koster is the Owner at Selectum. Get verified contact information on StackWho.

Who is the Managing Director of Selectum?

Reinoud Roukema is the Managing Director at Selectum. Get verified contact information on StackWho.

Where is Selectum located?

Selectum is based in The Hague, South Holland, Netherlands.

Selectum

Q: What industry is Selectum in?

Selectum operates in the staffing & recruiting industry.

selectum.nl

staffing & recruiting

selectum.nl

The Hague, South Holland, Netherlands

11-50 employees

LinkedIn Profile

About Selectum

staffing, chemicals, recruitment, contracting, asset management, oil gas, industry, steel industry, infrastructure, long-term relationships, electrical engineering, long-term client relationships, energy, services, gas infrastructure staffing, engineering, energy efficiency staffing, staffing agency, recruitment process outsourcing, workforce solutions

Selectum's Tech Stack

Decision Makers at Selectum

2 contacts

Mark Koster

Owner

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

Reinoud Roukema

Managing Director

r***@selectum.nl Sign up to view

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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.

Selectum's Position in the StackWho Database

• Selectum is 1 of 27,583 staffing & recruiting companies tracked in StackWho.
• 27,572 staffing & recruiting companies in our database have verified decision-maker emails (100% of the cohort).
• 2,034 companies in South Holland are in the StackWho database.
• 8,121 staffing & recruiting companies are in the 11-50 employee range (same size as Selectum).

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 Selectum use?

Selectum uses SendInBlue, Outlook, MailChimp SPF, Microsoft Office 365, Hotjar, MailChimp, and 10 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Selectum?

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

What industry is Selectum in?

Selectum operates in the staffing & recruiting industry, headquartered in The Hague, South Holland, Netherlands. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Selectum's contact data?

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