15+ Years of Experience IN ACHIEVING

Commercial results

I provide interim- and freelance services within the Software as a Service (SaaS) industry

Harm Jansen

  • Hands-on sales professional with experience leading (commercial) teams and creating & optimizing sales processes.
  • Track record & network in SaaS, e-commerce, media- and marketing agencies.
  • Keywords: Software as a Service, SaaS, SaaS platforms, display, sales, online marketing, conversion attribution, programmatic advertising, marketing automation, Conversion Rate Optimization (CRO), Google Marketing Platform (GMP), Data Management Platform (DMP), Customer Data Platform (CDP), personalization.
Let’s Talk NUMBERS
Years in Business
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Different Companies
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Happy Customers
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Business Services


Interim Leadership

The need for experienced leadership can arise unexpectedly in the fast-paced business world. Whether you need a Commercial Manager, a CRO, a Sales Manager, or a Head of Growth temporarily, Jansen Commercial Management has the expertise to ensure your continued success.

Sales Processes

Our interim service specializes in creating and optimizing sales processes, ensuring efficiency and effectiveness. We streamline operations, enhance customer interactions, and boost sales performance, tailored to meet your business needs for maximum impact and growth.

Interim Individual Contributor

Our interim sales positions, including Account Executive, Business Developer, and Account Manager, offer specialized expertise to drive immediate results. Jansen Commercial Management boost client acquisition, foster relationships, and optimize sales strategies.


"Harm is an exceptional professional who consistently demonstrates a keen understanding of business dynamics and a remarkable ability to identify and capitalize on commercial opportunities."
"Working with Harm is an absolute pleasure. Besides his commercial mindset, creativeness and good humor he is given a lot of responsibility and trust to the people that are reporting directly to him."
"Harm is a very sales minded professional with a clear eye on the customer's needs and wants. He knows how to balance the customer's and the organization's interests."
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