Features and pricing

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For teams who need to rapidly develop high-quality specifications on any capable device, with access to prewritten content.

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For teams who need to collaborate externally on projects across multiple organiszations, on any capable device with access to prewritten content.

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Online specification NBS Chorus is a fully web-based platform - no more downloads and installations. Multi-device. Get started in an instant. Automatic content updates.

Prewritten Canadian specification content Thousands of prewritten specification clauses and values, all classified by CMS and NMS. Options available for different disciplines

Specialist guidance Specialist guidance is displayed contextually alongside the specification as you work, helping you to specify accurately. Fully authored and updated to the latest standards by the NBS team.

Set up projects Start new projects and invite the whole project team to work together in the same online space.

Author and edit specifications Rapidly edit your specification in the web browser, through a powerful and easy-to-use interface.

Powerful search Quickly find the content you need with the search tool – which includes a spell check function and synonym database. E.g. a search for ‘asphalt’ will also return ‘concrete’.

Park unwanted content Remove unnecessary detail and produce short and concise specifications.

Publish specifications Print and export a selection or the full specification to MS Word. Quickly export subsets of the specification to be shared with partners.

Copy the whole specification Copy your specification for the purposes of reusing previous work and storing a back-up.

e-Learning Access a specialist course of e-Learning modules to help you get the most out of the software

Multiple users, working at once Add users across your organization, invite them to your project, work together on specification in real time.

Cross-site collaboration Invite users on different sites within your company to work on your specifications.

Manage permissions Powerful permissions’ settings allow you to set what the team can see and do at both a specification and project level.

Customer support Online chat, telephone support and a community forum to share your ideas.

Plug-in for Autodesk Revit ® Use all the power of NBS Chorus inside Autodesk Revit, link your model to the specification and develop your information in parallel.

BIM resources Chorus is fully linked to the NBS BIM Toolkit and National BIM Library.

All Canadian content Thousands of prewritten clauses to support Canadian standards and regulations.

External collaboration Bring the entire construction team together and invite multiple users, organizations and locations into your project.

We are continuously developing the platform and new features will be available on a regular basis.

NBS Chorus features

NBS Chorus is available with a range of subscription options, designed to suit different organizations and working processes

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Need help choosing? Call us on

NBS Chorus features

NBS Chorus is available with a range of subscription options, designed to suit different organizations and working processes

Chorus 1

Chorus 2

Need help choosing? Call us on

Let’s talk…

Let’s talk…

Let’s talk…