New Website Coming Summer 2019


While we are building our new website, please visit our existing sites:



O’Brien & Company and 360 Analytics have merged to expand our services and capacity across the whole project arc. Our combined teams now offer the technical expertise and sustainability experience that add value from building inception to operation – all within one firm.


Together, O’Brien360:

Is an independent third party.
We’re analysis-driven, unbiased, and evidence-based.

Learns and adapts.
We prioritize feedback and analysis of project outcomes to continually adapt and improve.

We listen, adapt, and analyze to serve your needs and we integrate into your team.

Builds capacity.
We serve the industry by sharing our knowledge, experience, innovations, and best practices.

Our sustainable building services include:

Planning, facilitation, and research

Design support

Performance modeling and analysis

Construction support

Commissioning, field verification and testing

Operations and maintenance support

User engagement

Rating system project management and documentation

Performance measurement and verification

Capacity building through education, program development, planning, and policy


From project conception to occupancy,

O’Brien360’s sustainable building expertise, thoughtful analysis, and technical skills deliver performance and value for our clients.



Our new website will be launched this summer. In the meantime, you can reach all our staff at their existing email addresses and phone numbers; or email or call 206-621-8626.