A Full-Service

Website Development Agency


Website Design, e-commerce Solutions, Membership & Subscription Modules, Social / Google Marketing, App Development

Our base office is on Long Island, yet our clients and reach are far greater.  

We deliver customized client solutions, by creating a user experience that makes sense.

Let’s get started today!

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“Bringing the world to your web”

Team Dave

A Full-Service Website Design Agency

We offer website design and development, E-commerce solutions, membership and subscription services.  App Development, Google and Social Media Marketing, and a complete graphic design team.

Throughout the years, Designs by Dave O. has grown, to become one of the largest digital agencies on Long Island.  Since 2005 we’ve been helping businesses use the power of the Internet to establish an online presence that has helped them reach their target audience and revenue goals.  By working with our clients to understand their market and unique businesses structure, we can deliver solutions that make sense.

We need to understand and be able to think like our clients, with their business mindset, walk them through their options and take time explaining.  Our goal is  capture their audience, and deliver your message.

Recent Projects

Our Fans

Patty Ziplow
Patty Ziplow
November 1, 2022.
We couldn’t have launched a2z Admissions without the guidance and expertise of Designs by Dave O. He is creative, responsive and provides honest feedback and endless support. The customer experience is his top priority and he goes out of his way to make sure that our website is monitored and maintained. We highly recommend Designs by Dave O. There’s nobody better out there.
Jaime Vornea
Jaime Vornea
June 2, 2022.
Dave did a great job. Helpful along the whole way.
February 23, 2022.
Dave has done an excellent job helping to design our website and managing it on a day-to-day basis. When I ask him to make an update, he’s always on top of it right away. I’d give him 6 stars if I could!

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69 Roslyn Road
Suite 2
Roslyn Heights, NY 11577

2022 © Designs By Dave O.  |    All Rights Reserved