Efficiency Pays.

Always Has. Always Will.

Our Business Case Approach

Sustainable and efficient operations are a competitive advantage. Corporate Sustainability Strategies works with clients to strategically leverage the value of sustainability. By designing and implementing cost effective sustainability strategies, we help you drive enhanced financial returns.


lower costs

high performance operations

increase profits

gain competitive advantage

We’ve helped our clients save over $30M

for portfolios over 500M SF and over $100B AuM

Our Focus

National multi-sector real estate leaders use CSS to deliver expert sustainability strategy development and execution plans that enable improved financial and environmental performance.

News & Events

EPA Honors 2019 ENERGY STAR® Award Winners

EPA Honors 2019 ENERGY STAR® Award Winners

HUNTINGTON BEACH, Calif., (April 12, 2019) – The U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE) honored ENERGY STAR partners for their outstanding contributions to public health and the environment on April 11, 2019. Awardees are...


A very engaging presentation from Brenna Walraven that highlighted the importance of a strategic approach to the business case for sustainability and high performance operations. Very informative and insightful!

Catherine Lai

CEO, Albest International Limited

For those of us lucky enough to have heard you present before, I believe it was a real treat for BOMA Southern Region Conference attendees to hear and see you. You’re such a natural speaker and always deliver pertinent and timely information. We are so happy you were able to fit us into your (undoubtedly) busy schedule. We’ve heard really positive feedback about your presentation.

Bunnie Willis, RPA

Regional Property Manager, Patrinely Group

Our Commitment to Industry

CSS proudly supports the following industry organizations.

ULI logo
Better Buildings Logo
Real Estate Roundtable Logo
Fitwel logo
International WELL Building Institute logo

Ready to strategically leverage the value of sustainability?

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