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Business Details
31 Years
experience
Expert Architectural Design Services in Milton, PA
Hiller Architectural Group is a full-service architectural and interior design firm established in 1995 by Michael Hiller, AIA. With over 30 years of experience, we specialize in creating functional, sustainable, and aesthetically enduring designs for commercial, residential, healthcare, historical, and religious facilities. Our collaborative approach ensures each project reflects client needs, budget, and site-specific considerations. Backed by a 70% repeat client rate, we handle projects ranging from small renovations to multimillion-dollar developments. Our team, led by industry-recognized professionals, prioritizes innovation, quality materials, and client satisfaction.

We integrate LEED and green design principles while maintaining a hands-on philosophy with principal involvement in every project. Our expertise spans Pennsylvania and adjoining states, serving private clients, corporations, and government agencies. By combining decades of experience with cutting-edge technology, we deliver solutions that exceed expectations across diverse sectors. Our commitment to excellence remains unwavering, ensuring each design enhances the built environment while meeting evolving client demands.
Services
Architectural Design Sustainable Design Interior Design Healthcare Design Historical Restoration Religious Facilities Design 3D Visualization BIM Modeling Code Compliance Feasibility Studies
Details
  • Year established: 1995
Highlights and features
  • We have over 30 years of experience in architectural design.
  • Our team specializes in LEED and sustainable design practices.
  • 70% of our work comes from repeat clients.
  • Principals are directly involved in every project we undertake.
  • We handle projects ranging from $500,000 to $10 million.
Associations and certifications
  • AIA
  • ASHE
  • NCIDQ
  • LEED Green Associate
Services
Architectural Design
Hiller Architectural Group provides comprehensive architectural design services for new facilities, renovations, and adaptive reuse projects. Our approach integrates functionality, sustainability, and aesthetic appeal while adhering to client budgets and timelines. With expertise in commercial, residential, healthcare, historical, and religious sectors, we deliver tailored solutions that enhance the built environment. Our process emphasizes collaboration, ensuring designs reflect client vision and site-specific requirements.
Sustainable Design
Our sustainable design services focus on energy efficiency, environmental responsibility, and LEED certification compliance. We incorporate eco-friendly materials, passive design strategies, and renewable energy systems to minimize ecological impact. Specializing in LEED consulting, we guide clients through certification processes while balancing cost-effectiveness and long-term operational savings. This service is integrated across all project types, from healthcare facilities to historical restorations.
Healthcare Design
With over 500 completed healthcare projects, we specialize in designing hospitals, clinics, and specialized medical facilities. Our team addresses complex regulatory requirements, infection control protocols, and patient-centered design principles. Services include linear accelerator room design, hospital floor renovations, and multi-specialty clinic construction. Principal Michael Hiller's 35+ years of healthcare architecture experience ensures solutions that prioritize functionality, safety, and healing environments.
Historical Restoration
We preserve architectural heritage through historical restoration and period-accurate renovations. Services include exterior restoration, interior remodeling, and removal of non-period features to maintain historical integrity. Our expertise spans private, corporate, and government projects, with a focus on reviving lost architectural elements while incorporating modern functionality. This service requires meticulous research and collaboration with preservation authorities.
Religious Facilities Design
HillerAG designs and renovates religious facilities for diverse denominations, including new construction, additions, and adaptive reuse of existing buildings. Our approach respects spiritual significance while addressing practical needs like accessibility and community space requirements. With decades of experience, we create worship spaces that balance tradition with contemporary functionality, ensuring designs enhance congregational experiences and serve evolving community needs.
People
Michael Hiller
Founder and Principal
Michael Hiller, AIA, ASHE, founded Hiller Architectural Group in 1995 after serving as a corporate architect for Geisinger Health System. With over 35 years in healthcare architecture and 30+ years overall experience, he oversees all projects, emphasizing design excellence and client satisfaction. His expertise spans commercial, residential, and institutional sectors.
Amanda Werkmeister
Associate
Amanda Werkmeister, NCIDQ, LEED Green Associate, has 12 years of architectural design experience and leads green design initiatives at HillerAG. As an Associate, she manages complex healthcare and institutional projects, including a 40,000sf clinic. Her focus on sustainable practices and LEED certification enhances the firm's environmental commitment.
Questions
What architectural services does HillerAG offer?
We provide architectural design, sustainable/LEED design, interior design, healthcare facilities, historical restoration, religious facilities, 3D visualization, BIM modeling, and code compliance services.
How experienced is Hiller Architectural Group?
Founded in 1995, we have completed over 1,000 projects across Pennsylvania and adjoining states, with principals having 30+ years of combined experience in diverse architectural sectors.
Do you handle large-scale projects?
Yes, we manage projects up to $10 million while maintaining quality, but we also value smaller projects equally, ensuring personalized attention to every client.
How does HillerAG ensure client satisfaction?
We maintain a 70% repeat client rate through hands-on principal involvement, collaborative design processes, and solutions tailored to client needs, budgets, and functional requirements.
Are your designs environmentally responsible?
Yes, we integrate sustainable materials, energy-efficient systems, and LEED-certified practices across all project types to minimize environmental impact while meeting client goals.