Client Testimonials

"Have engaged CAS Group on several projects and rate them as our #1 contractor."

"Very comfortable and confident in their ability to keep your projects on time and budget."

"CAS Group will meet and beat your expectations."

​Certified Consultant

CAS Group prides itself on the quality of the services it provides to its clients and recognizes the value of raising the profile of a high-performing, niche, small and woman-owned business in the marketplace. CAS Group maintains the following certifications:

  • State of Texas - Registered engineering firm & small business enterprise (SBE) and TX Historically Underutilized Business (HUB) enterprise  
  • City of Houston - Woman-owned business enterprise (WBE), disadvantaged business enterprise (DBE), and small business enterprise (SBE) 
  • Port of Houston Authority - SBE 
  • Port Authority of New York and New Jersey -  WBE and DBE
  • Florida - Registered engineering firm & DBE
  • City of New York - WBE 
  • State of New York - WBE
  • California, Louisiana, and Maryland - DBE
  • Self-certified woman-owned small business (WOSB) with the Federal government
  • Additional certifications pending

Our past projects demonstrate that a small business can perform exceptionally on challenging projects and we look forward to continuing to build that reputation with clients and partners.   


CAS Group has participated in projects across the United States and internationally for both private and public clients. The firm has distinguished itself as responsive, innovative, a trusted advisor, and a valued partner. We have strong relationships with repeat clients because they know we focus on providing the highest level of service as part of a project team.

We deliver. And, we are dedicated to your project’s success.

CAS Group has the capabilities to support all stages of your project from concept to completion. We provide technical services for complex infrastructure and construction projects – both land and marine based – as well as public participation, community development, and planning initiatives. As a privately-owned consulting firm, CAS Group can focus on each client’s unique needs, respond quickly and effectively, and take on projects big and small. 


City and Sea Group LLC - dba CAS Group LLC - provides consulting expertise in support of urban planning and infrastructure projects across the US and around the globe. Our team of experienced staff is drawn from allied professions to bring a unique understanding of the social, regulatory, technical, financial, and practical considerations that are key to your project's success. We bring a principled, innovative yet practical, and results oriented approach to each project.