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Last Updated July 1, 2026
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Major Clients:
Recent Clients Include BT, EXPEDIA, EBAY, NEWS UK, SAPIENT,  OGILVY, KAPLAN, PORTFOLIO www.jayonline.co.uk
-
Revenue:
Under $250,000
-
Year Founded:
2005
-
Pricing:
M
-
Fulltime Employees:
Freelancer
-
Active Clients:
36
-
Client Retention Rate:
85%
-
Major Clients:
Recent Clients Include BT, EXPEDIA, EBAY, NEWS UK, SAPIENT,  OGILVY, KAPLAN, PORTFOLIO www.jayonline.co.uk
-
Year Founded:
2005
-
Fulltime Employees:
Freelancer
-
Active Clients:
36
-
Client Retention Rate:
85%
-
Revenue:
Under $250,000
-
Pricing:
M
-
Secondary Services:
-
Social:
About - Jim Callender Web Developer
Jim Callender is a expert Wordpress developer based in the UK.
Specialising in Wordpress theme design & development, Ecommerce, Performance & WordPress support MY BACKGROUND I've over 10 years of solid commercial contracting experience, delivering high profile web products on time &
on budget. Working from my office in Brighton & or onsite in London.
I provide the technical expertise for charities, startups, local government, PR & marketing companies, design agencies & global brands on a wide range of digital projects.
THE WHOLE SOLUTION, NOT JUST A SERVICE! I'm mindful that I can offer the whole solution to clients. I do this by creating trust, being a trusted colleague of your network, and sharing ideas freely, which all add value to many of my successful long-term relationships with clients.
FREELANCER OF THE YEAR AWARD WINNER I won the Xchange team's national award in 2007, and came highly commended for digital excellence in 2011. These were both for the high quality of web projects that I have been delivering to a wide variety of respected London agencies and International companies whilst I have been freelancing.
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