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Unnecessary waste of time within the tendering process is a thing of the past.
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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
Greater visibility for your projects

Easily bring your project to the attention of subcontractors.
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Manage your personal database

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

Proven expertise in Europe's largest Marketplace.
Find the best subcontractors
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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
Find projects easily

View public projects from general contractors.

Easily respond to opportunities with 12Build Publications
Resources
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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.
Become a partner

Let's collaborate to combine our expertise.
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Dansk - Danmark DA-DK Deutsch DE Français FR Nederlands NL Nederlands - België NL-BE Try 12Build Your company Your company
General Contractor

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

Stand out in tender invitations and grow your network.
Supplier

Own your brand’s impact in the construction process.
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
Greater visibility for your projects

Easily bring your project to the attention of subcontractors.

 Give your project a stage with 12Build Publications
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
Find projects easily

View public projects from general contractors.

Easily respond to opportunities with 12Build Publications
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.
Become a partner

Let's collaborate to combine our expertise.
Pricing Pricing
General Contractor

Reach out to know more about pricing for general contractors.
Subcontractor

Check out our pricing for subcontractors.
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We regularly write interesting blogs

Latest article

Build the future of your sourcing process with predictive AI

In our AI Whitepaper, we describe this process through three levels of digital maturity. The question is not whether you are digitalizing, but at what level...

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March 20, 2026

Subcontractor

How to create quotations that are indispensable for the modern general contractor

Now, imagine the perspective of the general Contractor. On their desk—or rather, in their 12Build dashboard—thirty to forty quotes might pour in for that same...

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March 20, 2026

Why your expertise deserves better than manual data entry

The result? You spend hours ‘translating’ these documents into your own Excel bid tab. Re-typing data, searching for exclusions, comparing lead times... It is...

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March 20, 2026

How to create peace in the chaos of the tender deadline pressure

This is the moment where most mistakes are made. Not because of a lack of craftsmanship, but because of a lack of time.

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Want to know more about 12Build?

The name 12Build represents our ambition: we want to build, just like you. But instead of real estate, we want to develop a transparent construction industry. Read more about 12Build.

March 20, 2026

Why your construction expertise remains indispensable in the age of AI

In these moments, the promise of AI sounds like music to your ears, but it also raises questions. “Will that computer take over my decisions later?” Or “can I...

2 minutes reading

March 20, 2026

Your data is yours. Period.

At 12Build, we are very clear about this: We use AI to help you, not to make the rest of the world smarter. Your intellectual property and commercial data stay...

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January 27, 2026

News

12Build Joins Forces with E1: A New Chapter for Global Construction Procurement

12Build joins forces with E1! Together with this international partner, we are accelerating our innovation and building the future of procurement in ...

2 minutes reading

December 5, 2025

General Contractor

Subcontractor

Supplier

When data brings chaos rather than insight

Turn data chaos into confidence. 12Build combines AI and experts for validated construction data. Find the perfect match and streamline your quotation process.

3 minutes reading

April 25, 2025

12Build

The Future of 12Build: Construction Trends of 2025 with Patrick Aarbodem

12Build is working toward better choices and insight in 2025. But what does that mean in practice? And what ís Procurement Excellence?

3 minutes reading

March 14, 2025

General Contractor

How to choose the right procurement and bidding platform

A successful sourcing platform in the construction industry requires three must-haves: security, user-friendliness, and access to a large network. These ...

3 minutes reading