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NBS Chorus Features ROI Calculator NBS Source New


NBS Chorus Features ROI Calculator NBS Source New


The leading construction specification platform.

Create technical specifications rapidly anywhere and on any device.

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Practices using NBS


AJ Top 100 Architects using NBS


Manufacturer products


Decisions made in NBS per month


Resource saved writing specs*


Time saved writing specs*






Keep your specification accurate with high quality content maintained by our team of specialists.


Full scope of contents   


Create specifications up to 70% faster than using Microsoft Word documents or other software.


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Develop your design model and spec simultaneously. Chorus effortlessly keeps your updates in sync with Revit and Vectorworks.


Download the plugin   


Invite multiple users to develop specifications together, for seamless collaboration.


Sample Specification   





NBS Chorus is cloud based so you can work on your PC, Mac or smartphone. All you need is an internet connection.



Make informed manufacturer product decisions in the specification environment with NBS Source.


Discover NBS Source   


Over 3,600 companies use NBS to write their specifications. 
Click the logos below to read some of their stories.

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Work smarter and safer, collaborate better,
and connect your workflow.

Frequently Asked Questions

What is NBS Chorus?

NBS Chorus is a cloud-based specification writing platform for the construction industry. It enables user to work smarter and safer, collaborate better and connect their workflow. It is used by over 3,600 companies around the world to create technical specifications up to 70% quicker with 50% less resource.


Chorus is cloud-based – how safe is my data?

The cloud has been proven to be a reliable and secure choice for even the largest organisations and is fast becoming the most trusted data solution.

We take data security very seriously, and you can be sure that we have taken all the necessary steps to protect your data and maintain our cloud security.

Take a look at our Security page where we've included some frequently asked questions to share more detail about how we keep your data safe.

How much does a subscription cost?

We’ve got a range of subscription options available suitable for different business types and working practices.

Get in touch today and one of our expert team will be able to discuss the best subscription for your business.

What features does NBS Chorus have?
NBS Chorus is packed with features to help you create your specifications. Visit our plans and features page to see what features and level of Chorus will benefit you the most. 
What is NBS Source?
NBS Source is the ultimate manufacturer product platform. It includes 27,000 manufacturer products covering all aspects of construction. The free to use tool enables users to find detailed product specification data, product literature and, as it links to the NBS National BIM Library, download digital objects. It's fully integrated with NBS Chorus as well as design tools including Revit, so you can add products to your specification in an instant. Explore NBS Source today
What sort of projects is Chorus suitable for?
Chorus is suitable for a wide range of construction projects. It includes content libraries covering architecture, landscape, structures, services, and small works.
What training is available?
We offer a variety of training options across a broad range of topics so you can learn in a way that suits your availability, learning preferences and budget. Visit the NBS Academy for more information.
* According to our customers, NBS Chorus saves up 50% resource and up to 70% of time compared to writing specifications manually.