Marianna Thomas


(215) 386-0200

We Design With You in Mind

Member of the American Institute of Architects, Philadelphia Certified as a Women Business Enterprise

Complete Architectural Services

MTA of Philadelphia is grounded in both contemporary design and historic preservation. Providing a full range of architectural services, we serve best where complexity challenges our broad analytical, design, and technical skills. We combine sympathetic alterations and compatible additions with carefully researched restorations — often in the same project, as at St. Paul's Episcopal Church in Winston-Salem and College Hall at the University of Pennsylvania.

Since our founding in 1979, we've worked in many historic settings, and our firm maintains a strong commitment to client-responsive architectural solutions. Our team has proven experience with a comprehensive range of architectural services for a broad cross-section of project types and clients.

We Specialize In:

  • Master Planning
  • Renovation
  • Restoration
  • Expansion
  • New Design
  • Interior Design
  • Historic Preservation
  • Feasibility Analysis

Some of the Industries We Serve Include:

  • Commercial
  • Residential
  • Educational
  • Religious
  • Civic

With a portfolio of award-winning projects spanning over 30 years and our list of repeat clients and referrals, MTA testifies to a strong record of service excellence. Call or email us today to request our services.

Contact us to discuss your architectural needs.

Contact Us


(215) 386-0200

3961 Baltimore Ave
Philadelphia, PA 19104

View Our Location

Hours of Operation
Monday - Friday: 10 AM - 5 PM


Proudly Serving Philadelphia County and the Surrounding Areas Including Berks, Bucks, Chester, Delaware, Lancaster, Lehigh, and Montgomery