Your company
General Contractor

Unnecessary waste of time within the tendering process is a thing of the past.
Subcontractor

We understand the many challenges faced by construction specialists.
Software partner

Let’s collaborate to combine our expertise.
Our solutions
Quickly create projects

Create projects and manage all underlying work items and documents.

Create projects Manage documents and work items
Create and send requests

Link permanent and new parties to work items and send your requests.
Find existing and new parties Send offer requests
Manage and compare received bids

Ensure good communication in your bidding process.

Real-time overview of statuses Compare received bids
Manage your personal database

Company information and contact details always up-to-date.
Manage your trusted partners
Search regular and new parties in our Marketplace

Proven expertise in Europe's largest Marketplace.
Find the best subcontractors
Evaluate your collaborations

Get valuable information from evaluations.
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Keep quotation requests clear

Receive, manage and respond to all quotation requests.

Central overview of requests
Create the perfect quotation

Create a good quotation quickly with budget rules and stay in control.

Respond to requests for quotations Instant visibility into quotation status
Attract the attention of general contractors

Provide relevant requests with a unique and complete company profile in the 12Build Marketplace.
Activate your company profile Boost your visibility
Resources
Blogs

If you want to enlarge your knowledge, or just looking for inspiration, then check out our blogs.
Customer stories

Our customers know us best. Read here what they think about 12Build.
Whitepapers

Knowledge should be shared. You can find our whitepapers here.

12Build Ecosystem

Link up with leaders in the construction software.

Take a look About us
Our story

Building a transparent construction industry together.
Work at 12Build

With pride and passion. Come work at 12Build.
Contact

We are happy to help. Reach out to us.

12Build pricing

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Dansk - Danmark DA-DK Deutsch DE Nederlands NL Nederlands - België NL-BE Try 12Build for free Your company Your company
General Contractor

Unnecessary waste of time within the tendering process is a thing of the past.
Subcontractor

We understand the many challenges faced by construction specialists.
Software partner

Let’s collaborate to combine our expertise.
Our solutions Our solutions Tender management Supplier management Bid management
Perhaps you are a
Estimator Project developer Architect Software partner Tender management
Quickly create projects

Create projects and manage all underlying work items and documents.

Create projects Manage documents and work items
Create and send requests

Link permanent and new parties to work items and send your requests.

 Find existing and new parties Send offer requests
Manage and compare received bids

Ensure good communication in your bidding process.

Real-time overview of statuses Compare received bids
Supplier management
Manage your personal database

Company information and contact details always up-to-date.

 Manage your trusted partners
Search regular and new parties in our Marketplace

Proven expertise in Europe's largest Marketplace.

 Find the best subcontractors
Evaluate your collaborations

Get valuable information from evaluations.

 12Build Evaluator
Bid management

Keep quotation requests clear

Receive, manage and respond to all quotation requests.

Central overview of requests
Create the perfect quotation

Create a good quotation quickly with budget rules and stay in control.

Respond to requests for quotations Instant visibility into quotation status
Attract the attention of general contractors

Provide relevant requests with a unique and complete company profile in the 12Build Marketplace.

 Activate your company profile Boost your visibility
Resources Resources
Blogs

If you want to enlarge your knowledge, or just looking for inspiration, then check out our blogs.
Customer stories

Our customers know us best. Read here what they think about 12Build.
Whitepapers

Knowledge should be shared. You can find our whitepapers here.

12Build Ecosystem

Link up with leaders in the construction software.

Take a look About us About us
Our story

Building a transparent construction industry together.
Work at 12Build

With pride and passion. Come work at 12Build.
Contact

We are happy to help. Reach out to us.

12Build pricing

Compile the subscription that best suits your organization.

12Build pricing Login Login 12Build Login Icon

12Build

 12Build Evaluator Login Icon

Evaluator

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Try 12Build for free

The platform where construction meets efficiency

Our software is designed to support estimators, purchasers, project managers, and other construction professionals. With 12Build, general and subcontractors don’t just manage projects—they build lasting, successful collaborations.

 Show me! Let me try for free
Read our customer stories

The secret sauce in sourcing

The essence of sourcing in construction: The secret sauce explained.

With 12Build, you’re connecting, collaborating, and building quality—all within one streamlined platform. Easily find the right subcontractors, send standardised requests, and manage your projects efficiently. We strive to make your workflow stress-free, giving you enough time to enjoy that well-deserved cup of coffee.

However, we’re more than just a simple time saver. While an extra coffee break is nice, it’s more about connecting construction partners
based on their needs and expertise. 

We believe that by doing so, our software facilitates smarter and more efficient ways of online collaboration. With 12Build, you can centralize communication, track real-time updates, and connect with the right partners for every project.
Because let’s face it—online collaboration is the present, not the distant future.

The perfect match

Easily find qualified subcontractors and suppliers through our platform.

Efficient and clear

Keep your project moving and streamline your communication with real-time updates.

Trust meets results

Strengthen long-term partnerships and discover hidden gems. Continuously improve your quotation process.

Driving innovation

Elevate digital innovation. Work together in an online environment and create a more connected construction industry.

Bringing together supply and demand on a transparent centralized platform

 Begin building with 12Build now Show me around

Our features for general contractors

Struggling with complex workflows, limited visibility, and the hassle of comparing quotations from different subcontractors? With 12Build, you can solve these challenges in one go.

 The benefits for you

Everything for subcontractors and suppliers

Tired of unclear quotation requests, scattered communication, and the hassle of submitting quotations with limited project details? Our platform helps you streamline your bidding process and collaborate more effectively in one go.

 Our solutions for you

The numbers don’t lie

83.000+ active users per year

And counting! That’s why we have Europe’s biggest marketplace.

ISO 27001 certificate

Your data is not a game, that’s why we make sure Space Invaders don’t get a chance. They say the proof is in the pudding, but for us the proof is this certificate.

Up to 60% time savings

We turbocharge your procurement process. Select partners faster and communicate better by working together in one platform.

15+ years of experience

Developing innovative software is familiar territory for us.

What our customers say about us

Read the results they had with the 12Build platform.
“If everyone works with 12Build, it would be a real relief”

Simone Danklof

Account manager

Read the full story
“We had no insight into what was being requested and from whom. Now with 12Build, every department can see how we are doing.”

Mathieu Koomans van de Dries

Procurement & Logistics Manager

Read the full story

Read all our customer stories

Questions need answers

Want to know more? Our Experts, Customer Success Managers, Support team and that one guy from Marketing are here for you! 

Fill in our contact form or give us a call.

 Get in touch

News & Blogs

The European construction industry is always on the move but our specialists keep track of everything for you and share updates and tips in our blog.

View the articles

General Contractor

2 min

How general contractors can avoid planning errors

Avoid planning errors and strengthen your construction projects. Find out how!

Subcontractor

2 min

The benefits of standardisation in construction

12Build gives you the opportunity to standardise the quotation process with a  simple solution.