About Us

Welcome to Ona, where creativity meets functionality and dreams become structures.

Shaping Spaces,
Enriching Lives

Founded in 2019 by Michael Jefferson, Ona began with a vision to transform the urban landscape while honoring the natural environment.

What started as a small team with big ideas has grown into a renowned architectural practice, known for innovative designs that stand the test of time.

Top rated Australian company

25+

Years in Business

30

LEED-certified buildings

500+

Completed Projects

98%

Client Satisfaction Rate

We Believe in Transparent Processes And Honest Communication

See How We Can Help

Meet Our Visionaries

At Ona, our strength lies in the diverse talents and expertise of our team. Each member brings a unique perspective, contributing to our innovative and holistic approach to architecture.

Michael Okonkwo

Founder

Sarah Chen

Senior Project Manager

Robert Tanaka

Urban Planning Expert

Emma Larsson

Interior Design Lead

Carlos Mendoza

3D Visualization Artist

Leila Al-Fayed

Lead Architect

David Weiss

Client Relations

Aisha Patel

Sustainability Specialist

Discover how we can bring your architectural dreams to life.

From concept to completion, we’re with you every step of the way. Ready to start your journey? Contact us today for a free consultation and let’s create something extraordinary together.