DirectoryAllison Ong Shreffler, Architecture & Design LLC

Allison Ong Shreffler, Architecture & Design LLC

Allison Ong Shreffler, Architecture & Design LLC

Allison Ong Shreffler, Architecture & Design LLC

(*)(*)(*)(*)(*)4.9(51 Reviews)


Allison Ong Shreffler is a seasoned architect and visionary leader with a rich and diverse professional journey. She began her academic pursuits at Pennsylvania State University, where she earned Baccalaureate Degrees in Science and Architecture, laying the foundation for her remarkable career.

Early in her career, Allison's talent and passion for design led her to assume the role of design lead on a wide range of projects, spanning residential, commercial, religious, and transportation sectors. Her exceptional skills and dedication did not go unnoticed, and she earned her Professional license, propelling her into the position of Project Manager and Architect for multiple projects.

In 1995, Allison embarked on her entrepreneurial journey by founding AOS Architect, a firm that offered comprehensive architecture, interior design, and construction administration services to a diverse clientele, both residential and commercial. Simultaneously, she co-founded a Design-Build company, leaving an indelible mark on the restaurant and hospitality industry by providing each establishment with a distinctive architectural brand.

Allison's commitment to her community is evident through her active participation in various organizations. She was appointed to the planning board by the Mayor of River Edge, NJ, where her valuable insights on planning, zoning, and aesthetics were highly sought after.

Her expertise as a Professional Architect and Interior Designer encompasses every facet of architecture, design, and construction. She excels in creating designs that harmoniously blend aesthetics, functionality, cost-efficiency, constructability, and sustainability, consistently exceeding her clients' expectations.

After relocating to Central PA in 2008, Allison served as the Principal Architect in Charge at an Architecture/Civil/Survey Engineering firm before re-establishing her architectural and interior design practice. Here, she continues to serve her clients in both NJ and PA, while also dedicating her time to mentor young professionals, contributing as an editor for Central Keystone Living Magazine, and actively participating in associations like the Home Builders Association of Metropolitan Harrisburg, American Institute of Architects, American Society of Interior Designers, and National Kitchen and Bath Associations.

In 2021, Allison Ong Shreffler, Architecture & Design LLC proudly received certification as a Small Business, Women Owned, and Diversity Owned Business, further reflecting her commitment to excellence and inclusivity.

Most recently, Allison Ong Shreffler, Architecture & Design LLC was recognized as an Honoree for the Inaugural Leadership in Construction Award by the editors of Central Penn Business Journal, was the recipient of Best Interior Designer Award by the Home Builder’s Association, and voted Simply the Best Architect by Harrisburg Magazine, all testaments to her firm’s outstanding contributions to the field.


  • user

    3 Employees

  • union

    26 years in business

Property Types Serviced

Single Family Residence, Condo/Apartments and Commercial

Areas Serviced


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