Caergybi.com
- A sometimes humorous, sometimes sentimental look at Holyhead by its residents. Includes an events diary and videos of trips in and around the place.
- http://www.caergybi.com

Pressure Cleaning Services
- Offers a cleaning and valeting service based in Holyhead. Details of services and equipment.
- http://www.makeitclean.co.uk

Spindrift Charters
- Offer a boat for to charter for fishing and sight-seeing for up to 10 persons. Details and images of the vessel and its skipper, local fishing and other attractions, plus price guide.
- http://www.goseafishing.biz

BBC Where I Live - Holyhead
- A community website with local history, pictures, celebrities, town information, useful links, discussion and features.
- http://www.bbc.co.uk/wales/northwest/sites/holyhead/

Burnell's
- Family owned firm of chartered surveyors, estate agents and valuers. Includes a company profile, property listings with photographs, and contact details.
- http://www.burnells.f2s.com/

Holyhead Lifeboat Station
- History of the station with news of rescues, pictures, and a web-cam.
- http://homepage.ntlworld.com/raymond.steadman/

Meddygfa Victoria Surgery
- Holyhead doctor's practice with branch surgeries in Valley and Bodedern. Site features information on clinics, staff, opening times and medical advice.
- http://www.meddygfavictoriasurgery.co.uk/

Fun 4 Kids
- Amusement hire company offering activities for all ages including mini quad bikes, bouncy castles and a rodeo bull.
- http://www.fun-4kids.co.uk/

Natural Manna
- Resident nutritionist Jan Walker advises on healthy eating for weight loss, vitality and easing chronic health disorders such as arthritis, asthma and depression.
- http://www.naturalmanna.co.uk/

North West Imports
- Specialises in importing low mileage pre-owned Japanese cars from Japan and Ireland.
- http://www.northwestimports.co.uk/

Advanced Entertainment
- Full service agency. Details of services, artists and contact details.
- http://www.2ae.co.uk/

Atlantic Instruments
- Offering a range of marine electronics, radio headsets, sales, service and product development.
- http://www.atlanticuk.com

Holyhead Group of Companies
- Marine services, towing and shipping.
- http://www.holyhead.co.uk