The Leading Construction
Specification Platform
Precise, real-time documentation that enhances transparency and accountability through your project’s entire lifecycle.

3,400+
Practices using NBS

92%
AJ Top 100 Architects using NBS

30,000+
Manufacturer Products

13.6 million
Decisions made in NBS per month

70%
Time saved writing specs

94%
of people have had a problem writing or using a specification
Work faster.
Create specifications up to 70% faster than when using Microsoft Word or other software.
What feature do you like best about NBS Chorus?
“The tracking of changes is fundamental. It’s clear and really intuitive in the way it demonstrates the changes have been made.”
— Paul Broadfoot, Space Architects
Improve accuracy.
Keep your specification accurate with high-quality content maintained by our team of specialists.

How does a well written specification help you on a project?
“A well written specification reduces the risk of claims against additional costs or delay in programme and it really promotes a smooth project from inception to completion.”
— Carl Sablon, Hollis
Collaborate seamlessly.
Invite multiple users to develop specifications together for seamless collaboration.
How is going digital helping you improve?
“If you understand early on what is required by the client, you can build your design, models, and data in a structured way that can give that desired output for lifecycle management.”
— Nick Ainscough, IBI Group
Keep your model in sync.
ArchifySpec empowers your team and elevates your practice by making everyday tasks easier, enhancing job satisfaction.
Specify better.
Make informed manufacturer product decisions in the specification environment with NBS Source.
Work anywhere.
NBS Chorus is cloud-based, so you can work on your PC, Mac, or smartphone. All you need is an internet connection.
