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
Greater visibility for your projects

Easily bring your project to the attention of subcontractors.
Give your project a stage with 12Build Publications
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
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
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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12Build pricing

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Deutsch DE 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

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
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.

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

Optimize your quotation process with 12Build

As a subcontractor, juggling your ongoing quotations, keeping communication smooth, and constantly chasing new projects can feel like a double full-time job. It’s time to stop stressing and start building.
That’s where we come in.

 Tell me more

The key benefits of using 12Build

Efficient communication

Keep all your communication clear and in one place. Messages, documents and responses are organized per project and per bid so you always know who said what and what comes next. 

Organized project management

Manage all your projects, documents and notes in a structured and efficient way. Automatic updates and document tracking help reduce errors, speed up collaboration and improve overall quality. 

Boost your visibility with promotor

Want to showcase your expertise to companies that don’t know you yet or stay top of mind with your regular customers? Show everyone what you can do. Promoter helps your business stand out.

Stay in control of the entire quotation proces

Effortlessly manage all your quotation requests at a glance and stay connected with both your team and external partners. No headaches, just go with the workflow.

 Discover more about Bid Management

Share your quotations with general contractors

Easily create and send quotations, including detailed budget rows within the platform.
Ensure clarity, avoid miscommunication, and speed up the decision-making process—all within one platform.

 Learn more about Bid Management

Publications

Publications* helps you discover opportunities at an early stage, because you no longer have to wait for invitations. You can proactively search for projects that match your expertise.

Use different filters and show your interest with one click. This keeps you in control of your pipeline and increases your chances of working on the right projects.

*At the moment, Publications is only available in the Netherlands. The feature is expected to roll out to other countries later this year.

 Discover more about Publications

Manage and promote your company profile

Maintain and promote your company profile to increase visibility and attract new business. This feature connects you to more opportunities and enhances your company’s presence. 

 Learn more about Supplier Management

Connect, collaborate, and construct with 12Build

12Build offers solutions that help streamline your quotation process, improve collaboration, and increase efficiency in project management.

 Let’s go for a free demo

Our experts are eager to dive into your challenge

Stay inspired

We regularly write interesting blogs with tips and news from European construction.

 All news & articles

Subcontractor

2 min

The benefits of standardisation in construction

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

Subcontractor

4 min

Nine ways to ensure your tender ends up in the waste bin

Avoid quotation pitfalls and stand out! These tips will help you steer clear of the trash bin.