Make the action obvious
Use strong, specific button text (“Get my free quote” beats “Submit”), repeated at natural decision points down the page.
“Get my free quote” tells people what happens next; “Submit” tells them nothing.
Shorten the form
Every extra field costs conversions. Ask only for what you truly need now — you can gather the rest in the conversation.
Reduce the risk
Add reassurance next to the button: “No obligation”, “Reply within 24h”, a guarantee. Lowering perceived risk lifts submissions.
Key takeaway
Obvious action + fewer fields + less risk = a form people actually fill in.