Your analytics look respectable and your phone doesn't ring. This is one of the most common situations in small-business SEO, and the instinct — get more traffic — is almost always the wrong response. The problem is nearly never volume.
The three possibilities
Wrong visitors. You're ranking for searches made by people who were never going to buy. Someone searching for a free guide reads your guide and leaves, exactly as they intended.
Right visitors, wrong page. Someone with a real need lands somewhere that doesn't let them act — a blog post with no path forward, a general page that doesn't address their specific situation.
Right visitors, right page, no reason to choose you. They arrived, understood what you do, and weren't convinced. This one feels worst and is often the real answer.
Work out which before changing anything, because the three need completely different fixes.
How to tell them apart
Look at which pages the traffic lands on and which searches brought it.
If your visitors are arriving on informational articles from informational searches — how to, what is, why does — you have an audience, not a market. That's not a failure; it's just not a pipeline, and more of it won't become one.
If they're arriving on your service pages and leaving, that's a different problem entirely and it's on the page.
The informational-traffic trap
Businesses write helpful articles, the articles do well, and nothing happens commercially.
Informational searches are usually made by people solving something themselves. Commercial searches are made by people looking for someone to do it — and they use different words. Not how to fix a leaking tap but emergency plumber; not what is probate but probate solicitor near me.
If none of your traffic comes from the second kind, you don't have a conversion problem. You haven't entered the market yet.
What to fix, in order
Make sure commercial pages exist. A specific page for each thing you actually sell, written for someone ready to buy. Many small businesses have twenty articles and one generic services page.
Say what happens next, on every page. Not "contact us" in the footer. An explicit next step, visible, on the page they're reading.
Answer the questions that block a decision. What it costs, or at least how pricing works. How long it takes. What happens at the first appointment. Whether you cover their area. Pages that omit these lose people who were ready.
Connect the articles to the services. An informational article that mentions, plainly and once, that this is something you do, converts a fraction of its readers. One that never says so converts none.
What not to do
Don't chase more traffic until you know which of the three problems you have. Doubling the number of people who weren't going to buy doubles nothing.
The measurement that matters
Not sessions. Enquiries, and where they came from. A page bringing two hundred visitors and no enquiries is less valuable than one bringing twelve and two — and most businesses can't tell you which of their pages does the second, because nothing is tracking it.