Firm in the U.S
Of Our Clients Are Repeat Clients
Advancing Design Excellence.
Creating Enduring Architecture.
MacLachlan, Cornelius & Filoni Architects, Inc. is the 19th longest running architecture firm in the U.S. with 130 years of continuous acclaimed design and operation. Founded in 1889 by Mr. Edward Stotz, MacLachlan, Cornelius & Filoni, Inc. (MCF) was the first architectural firm in Pittsburgh. We have a long-standing and national reputation for providing the highest level of professional services, delivering innovative architectural, planning and interior design solutions.
The vitality of our firm is maintained by practicing with a diverse clientele. A testament of MCF excellence - 90% of our clients are repeat clients. Our portfolio includes healthcare, science & health sciences & higher education, liturgical, commercial & housing clients, historic preservation & adaptive reuse projects, theater & performing arts, parks & recreational facilities and senior centers.
Our expertise resides in programming, data driven design, BIM & project delivery, sustainable design and detailed design excellence. The Board of Directors is involved in all aspects of project feasibility, planning and design of every single project from concept through completion. MCF’s proven design process and our commitment to quality have resulted in measurable savings that exceed the industry standards.