Zohar, Ltd.
- Website design, programming, and web applications. Located in St. Heliers, Auckland, New Zealand.
- http://www.zohar.net.nz

Zetenta
- Offers integrated Web Design and Development services from their Buenos Aires, Argentina offices.
- http://www.zetenta.com/

Z and C Designs
- Static and dynamic website development including customized e-commerce websites. Based in Salt Lake City, Utah, United Sates.
- http://www.zandcdesigns.com/

Z Design UK Ltd
- Offers dynamic website design, graphic design and branding, and marketing. Located in Milton Keynes, in the United Kingdom.
- http://www.zdesignuk.com/

Z Logic
- Services include dynamic, e-commerce, content management system, and WAP website design. Based in Cape Town, South Africa.
- http://www.zlogic.co.za

Zakaz
- Romford, United Kingdom based agency specializing in Flash and database websites including rich media content.
- http://www.zakazhosting.co.uk/

Zesty Design
- Offers site design, graphics and PHP. Located in Marlton, New Jersey, USA.
- http://www.zestydesign.com/

Zeroseven Pty. Ltd.
- Specializes in websites, internet application, multimedia and online marketing. Brisbane, Australia.
- http://www.zeroseven.com.au/

Zenith International, Ltd.
- Offers design, custom programming and database development. Located in the United Kingdom.
- http://www.zenithis.com/

Zoomforce Media
- Complete Flash website authoring, including chat, guest books, and shopping carts. Also, full frame video work, and photography services. Located in Vancouver, British Columbia, Canada.
- http://www.zoomforce.com/

Zeeshan Ghayur
- Web design services include HTML, Flash presentations, and multimedia content.
- http://www.zg-webdesigns.itgo.com/

Zing Media Inc.
- Print, graphic, multimedia, and web design in Hamilton, Ontario, Canada. Includes Flash, corporate identity and marketing.
- http://www.zingpublishers.com/

Zymo Creations
- Offers dynamic graphic design, music composition, and web development services. Based in London, Ontario, Canada.
- http://www.zymocreations.com/

Z-Web Design
- Offering web design, Flash, and server side development. Located in Milwaukee, Wisconsin, United States.
- http://www.zweb-network.com/

Zimmerman Design, Inc.
- Offers web design and hosting, e-commerce, interactive media, logo and print design, and marketing services. Based in West Palm Beach, Florida, United States.
- http://www.zimmermandesign.com/

Zero Defect Design LLC
- New media studio, developing creative and technical solutions for web sites and multimedia projects. Based in Philadelphia, Pennsylvania, United States.
- http://www.zerodefect.net/

Zanzinato, LLC
- Web and graphic design studio. Located in Ithaca, New York, United States.
- http://www.zanzinato.com/