We Design & Develop Custom Websites

Our search engine optimized and mobile friendly websites can help drive traffic and nurture loyalty. As your digital partner, we’ll help you make the most of all the web has to offer.

Let's Get Started.

“People tell us all of the time that we have the best construction website around. It has become an important and useful tool in helping to land projects.”

– George Lagonia, George Lagonia Jr. Inc.

“A big thank you to Suzanne and Robert Trevellyan! Trevellyan.biz just recently won best web site designers for Columbia County through the Chamber of Commerce and we are so happy to be lucky enough to work with them. We love our new site!”

-Tammy Crawford, Carolina House

“Sue grasped my concept immediately, and had a near-perfect prototype up within days. A pleasure to work with – would do so again, and I highly recommend her to anyone seeking graphics or web work.”

– Melissa Pollack, Bespoke Decor

How Can We Help You?

We can scale our website design and development services to meet your specific needs. Whether your needs are for redesign or from scratch, we pride ourselves on getting to know your business so that your website clearly reflects your vision and goals.

Tell Us About Your Project

Website Design and Development

At our heart, we are a marketing company. We don’t just build websites, we develop plans that are tailored to each individual client. Our websites help our customers stay connected with their customers and drive new business.

Search Engine Optimization

Safe, logical, proven search engine optimization (SEO) strategies and techniques are used to improve your search engine rankings. We provide thoughtful analysis of who your customers are, what they are looking for, and what they value.

Website Maintenance

Whether your site is built with static HTML, or using a CMS like WordPress, ExpressionEngine, Drupal or SquareSpace, we can help you get the most from your site by making the changes you need.

Email and Social Media Marketing

Helping your clientele feel connected to your business is a good way to strengthen brand loyalty. Email and social media marketing require little money down and have low ongoing costs. You can start today.

Why Choose Trevellyan.biz to Build Your Website?

Mobile Friendly

Our sites look good and function well on all platforms because they are built from Day 1 with mobile in mind. Every site we build is mobile friendly and performs equally well regardless of the device on which it is viewed.

User Friendly

Our content management system means you can make changes to your new website quickly and easily.


If you’re looking to sell online, you want a partner who understands merchant accounts, payment gateways, shopping carts, shipping calculations and fulfillment methods. We’ve built many stores and sell online ourselves.

Voted the Best

In 2016 and 2015 the Columbia County Chamber of Commerce and Columbia-Greene Media readers voted Trevellyan.biz Best Web Developer in Columbia County.

Website design and development studio

Articles and Tips for Improving Your Website, Business, and Graphic Identity

Welcome to the Trevellyan.biz Blog

Trevellyan.biz is a partnership. Suzanne + Robert Trevellyan. Style + logic. Creativity + reasoning. Right side + left side. She's the designer. He's the programmer. Together Trevellyan.biz offers everything advertising and I.T. in Columbia County NY and beyond. A...

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Web Design Myths and How They Can Affect Success

Five Web Design Myths Dubunked We hear a lot about the importance of good web design, but how do we really know what’s true and what’s false? Just because we feel a particular way, just because we like it, does that make it true? Here are a few web design myths that...

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How To Optimize Blog Posts

Introduction to Search Engine Optimization For Blogs Learn how to optimize blog posts and make the most of the effort you spend writing. Search Engine Optimization (SEO) is a complicated, intricate, and ever-changing beast, but you don't have to be an SEO expert to...

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