The office is open exactly when your clients cannot talk
The single biggest structural leak in this market is a calling window that does not overlap with the client's free hours.
Someone employed at a company in northwest Austin or a plant up in Williamson County can take a personal call at seven in the morning, at lunch, or after six. Your intake calls at two in the afternoon and leaves a voicemail.
Two rounds of that and the inquiry is dead. It did not convert to a competitor because of a better website. It converted to whoever called back at a time the person could answer.
Ask for a preferred call window on the form and honor it. Add one early block and one evening block to the intake schedule, even if it is only two days a week.
Offer text as a real reply channel with the client's consent. Many people will answer a message from an unknown number when they will not answer a call from one.