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.


Fostering design excellence and sustainability to create enduring architecture – this is the mission of the architects at MacLachlan, Cornelius and Filoni. For over 130 years, the firm has had continuously acclaimed designs for structures and buildings in the higher education, health care, and commercial fields. Additionally, the architectural group has been recognized for their work in historic preservation and the arts.

Since they handle private client information, the architecture firm wanted their data security policies to be as rock-solid as their buildings. MacLachlan, Cornelius and Filoni knew they needed to comply with GDPR and other regulations.

Through a partnership with Clarabyte, MacLachlan, Cornelius and Filoni exceeded compliance standards and shattered the status quo for secure data erasure. The collaboration is the foundation of the pair’s data security excellence.

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