Integrated Building Systems.
Permit-Ready Engineering.
Precision Without Noise.

We deliver integrated MEP engineering and Revit/BIM coordination packages - from concept through permit-ready construction documentation - ensuring technical accuracy, system clarity, and construction feasibility.

Engineering Concept

Our Story

AR Design LLC is a precision-driven design and engineering practice focused on architectural detailing and fully coordinated MEP systems.

Our work bridges architecture and building performance — integrating spatial clarity with technically robust mechanical, electrical, and plumbing infrastructure. Every project is approached with an emphasis on constructability, system coordination, and long-term operational reliability.

With extensive experience across commercial, healthcare, and specialized facilities, we develop permit-ready documentation aligned with applicable US codes and real-world construction workflows.

Our commitment is simple: engineered clarity, technical integrity, and solutions that perform beyond drawings.

Discover Our Team

Discover Our Expertise

Architectural Detailing

Meticulous construction sets and 3D visualizations that bridge concept and reality.

  • Construction Documentation
  • High-Fidelity 3D Rendering
  • Material Board Integration
  • Code Compliance Verification
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MEP Engineering

Precision-engineered systems for residential, commercial, and industrial projects.

  • Clash Detection (BIM)
  • HVAC Design & Layouts
  • Power Distribution Systems
  • Plumbing & Fire Protection
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Yacht Design

High-end maritime design focused on luxury, structural integrity, and innovation.

  • Custom Interior Layouts
  • Maritime Structural Precision
  • Systems Integration
  • Regulatory Compliance
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Meet the Team

A blend of diverse expertise and shared commitment to excellence.

Milos Rancic
Founder & Lead MEP Designer

Milos Rancic

With over a decade of experience in international projects, Milos specializes in precision detailing and integrated engineering solutions. His work bridges concept and construction with efficiency and technical excellence.

Milos Zivkovic
Senior Architectural Detail Specialist

Milos Zivkovic

Internationally experienced in Germany, Mauritius, and Serbia, Milos delivers high-precision execution planning and façade design. His expertise spans hospitals, hotels, and luxury residential projects.

Zarko Dragic
Director of Business Development

Zarko Dragic

Scaling VDC, BIM & Energy Strategy (PEM) | Chicago • DC • LA • Miami | Specialists in Data Centers, Federal, Healthcare, Interstate & Naval Architecture