112.844 satisfied users in the construction industry

From main contractors to construction cost estimators and from clients to construction specialists.
Everyone works more efficiently with 12Build
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Construction specialists are highly visible 
Every tender requires specialist expertise. Thanks to 12Build, construction specialists are highly visible to main contractors and clients.

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Main contractors retain oversight 
You decide which construction specialist may bid for a tender and all communication is conveniently displayed, also following award of the contract.

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Construction cost estimators work more efficiently 
Wouldn’t it be ideal if you could save time and money through more effective communication and by selecting better partners? That is where we can help!

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Clients opt for quality 
Ideally, you would like to know in advance exactly what to expect from a construction specialist. Our evaluation system makes it far easier for you to select based on quality.

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