Providing ongoing maintenance should be the most obvious off all the potential value added services you could offer. Just taking a few seconds to glance at the WordPress version statistics should quickly answer your question as to why a maintenance service is valuable. A mere 37.6% of WordPress installations are currently running the most recent version.
It’s a simple truth that left to their own devices, clients either forget or can’t be bothered to keep their website up-to-date. Its also worth noting that those statistics haven’t even taken into consideration the out-of-date plugins that are in use.
Ongoing maintenance can include a variety of services including:

You could offer this service on a basic monthly retainer or an hourly fee. Either way, ongoing maintenance provides a great way of keeping your client relationships fresh. Being in front of clients every month increases the odds of landing and new work when it becomes available. Contact us to discuss your requirements or for further details.