A simple user journey paired with clear UI is critical to the success of your website.
Take a look at your Google Analytics. If you find that:
a. You aren’t getting many direct enquiries,
b. Drop off rates from your landing pages are high
c. That your clicks are high but conversions are still low
Then it’s probably time to assess your customer journey.
Start by getting a friendly group together to perform some basic usability testing they’ll be able to help you assess where the key areas for improvement are.