Case Study: De Haan Westerhoff doubles tender invitations with 12Build

A 12Build Case Study

Preview of the De Haan Westerhoff Case Study

De Haan Westerhoff - Customer Case Study

De Haan Westerhoff, a national leader in sun blinds and roller shutters, faced the challenge of wanting to grow its project-based business with contractors without resorting to cold calling or overburdening its internal team with extra workload. The company needed a way to increase its invitations to tender efficiently and sought a platform to raise its profile with minimal effort, leading them to the vendor 12Build.

By implementing 12Build's platform, specifically its Promoter subscription, De Haan Westerhoff gained optimum visibility with general contractors. The solution provided a streamlined, digital process for receiving and managing tender invitations. The results were significant, as the company doubled the number of invitations to tender it received from general contractors. According to General Manager Jeen Zuidersma, 12Build proved to be a cheaper and more effective marketing tool than a traditional account manager, providing a much better return on investment.


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De Haan Westerhoff

Jeen Zuidersma

General Manager


12Build

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