Elevate Your Landscape With Expert Design & Build

Why Settle?

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Experience the O’Neill Difference

Improving Lives Through Landscapes

We are the only outdoor experts in North Georgia dedicated to improving lives by transforming outdoor spaces to strengthen relationships. From the very first consultation to the final detail, we approach every project with a commitment to honest craftsmanship, transparent communication, and a customer-first mindset. Whether we’re designing a custom outdoor living space or maintaining a commercial property, our goal is always the same — to improve lives through landscapes.

Elegant backyard water feature with natural stone and flowing stream in Alpharetta, GA

Built on a Commitment to Excellence

O’Neill Landscape Group started in 2007 during the Great Recession, not as a business plan but as a necessity.

When a local golf course and landscape firm closed, founder Andrew O’Neill, a University of Georgia-trained landscape architect, stepped up to support his family—armed with nothing but expertise, a strong work ethic, and a commitment to quality. What started as a small operation soon grew into a full-service landscape company known for integrity, reliability, and a dedication to doing things the right way.

Today, our team continues that legacy—pairing thoughtful design with lasting craftsmanship. We don’t just build landscapes. We create outdoor spaces that people truly love to live in.

What Makes Us Different?


We Do the Right Thing—Always.

Integrity isn’t just in our name — it’s in everything we do. No cutting corners, no hidden costs, no excuses. If something isn’t right, we fix it.

We Prioritize People Over Projects.

Our landscapes are built for the people who use them. We listen, communicate, and guide you through the process — ensuring your space is both beautiful and functional for years to come.

We Focus on Long-Term Value.

Great landscapes are more than surface-level beauty. We design with purpose, build with durability, and maintain with care, so your investment stands the test of time.

We’re Not Just Contractors—We’re Partners.

From start to finish, we collaborate with you. Whether it’s a backyard retreat or a commercial space, we guide you through the process, offering expert advice without pressure or upselling.

We Give Back to Our Team, Our Clients, and Our Community.

We believe success means making an impact beyond business. That’s why we’ve set a bold goal: giving away $1 million by 2033. This commitment isn’t about PR — it’s about using our success to support employees, help clients, and contribute to causes that matter.

Elegant front entrance with curved stone steps and topiary planters in Roswell, GA
Modern stepping stone walkway leading to pool and water feature in Woodstock, GA
Inviting front entrance with custom stone walkway and lush landscaping in East Cobb, GA

Our Values, In Action


Genuine & Transparent

Honesty in every interaction, no surprises.

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Rejecting Passivity

Proactively solving problems before they arise.

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Open-Hearted & Family-Minded

A supportive team culture that extends to our clients.

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We Over Me

Putting client needs ahead of short-term gains.

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Rustic stone fire pit with Adirondack seating on natural flagstone patio in Holly Springs, GA

If you’ve ever felt frustrated with unreliable contractors, incomplete projects, or landscapes that don’t truly work for you, you’re not alone. We built this company to be different.

With O’Neill Landscape Group, you get a team that cares, a process that’s seamless, and a landscape designed for the way you live.

Landscapes That Last. A Team You Can Trust.