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

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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

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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

The platform where construction meets efficiency

Optimize your tender and bidding process with 12Build. Our platform allows general contractors and subcontractors to manage quotations, documents, and communication all in one place.

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Read our customer stories

Optimize your tender and bidding process

Say goodbye to scattered emails, expired download links, and outdated spreadsheets. With 12Build, you can centralize communication, receive real-time updates, and connect with the right partners for every project.

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The secret sauce in sourcing

We strive to make your workflow stress-free, giving you enough time to enjoy that well-deserved cup of coffee. How? That's simple. 

The perfect match

Connect with the best construction partners based on your needs and expertise.

Efficient and clear

Never lose a single file ever again and keep your project moving across teams and phases.

Trust meets results

Enhance trust, foster long-term partnerships, and unlock opportunities in our Marketplace.

Driving innovation

Harness AI-powered features to streamline procurement and decision-making.

Our features for general contractors

Struggling with complex workflows, navigating the subcontractor market, 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

What our customers say about us

Trusted by thousands of general contractors and subcontractors across Europe. See how they achieve results 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

The numbers don’t lie

83.000+ active users

And counting! That’s why we're the leading platform where the construction industry comes together.

ISO 27001 certificate

This certificate is the proof that we meet the highest standards of information security.

Up to 60% time savings

Select partners faster and communicate better by working together in one platform.

15+ years of experience

We’ve been pioneering smarter ways to connect contractors and subcontractors.

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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!

The Future of 12Build:

3 min

A Conversation with Our CEO Patrick Aarbodem

Digitalization, rising material costs, and a growing demand for sustainability—sound familiar?

Questions need answers

Want to know more? Our Experts, Customer Success Managers and Support team are here for you! 

 Get in touch