Efficiency Pays.
Always Has. Always Will.
500M
Square Feet Managed
$100B
Assets Under Management
$35M
Saved Operating Costs
19
Achieved ENERGY STAR Partners of the Year
45.5%
Energy Consumption Reductions
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
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

The Real Deal: Why an Authentic ESG Reporting Strategy Matters
Historically, Environmental, Social and Governance (ESG) goals reflected a company’s public relations strategy, primarily driven by investor demands and not central to the success of their business and brand. Those days may be fast disappearing as resident and...

Energy Manager Summit: Take Your Assets to Peak Efficiency
An event for leading facilities management professionals, the goal of the event is to help make your facilities more energy efficient, effective and improve your company's bottom line. We are excited to announce Brenna Walraven, President and CEO, for Corporate...

Optimizing Community Infrastructure: Resilience in the Face of Shocks and Stresses
We are grateful to have had the opportunity to contribute to the upcoming book, "Optimizing Community Infrastructure: Resilience in the Face of Shocks and Stresses." This book is edited by Ryan Colker, Vice President, Innovation at International Code Council and...
Speaking Events
Catherine Lai, CEO, Albest International Limited
“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!”
Bunnie Willis, RPA Regional Property Manager, Patrinely Group
“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’ve heard really positive feedback about your presentation.”