Business Growth
How to Write Ad Copy That Gets Clicks (Formulas, Examples, and Checklist)
How to write ad copy: the job ad copy actually has, how to find the one message worth paying to show, simple formulas for headlines and body text, how to write for Google search ads versus social ads, how to test versions, common mistakes, and a Claude workflow for drafting variations from your real customer language.

Founder, AI Tools and Training Club · October 26, 2026 · 8 min read
The short version
- Ad copy has one job: get the right person to stop, recognize their problem, and take one next step. It does not need to tell your whole story.
- Write it by picking one audience, one problem, and one offer, leading with the outcome or pain in the buyer's own words, adding one reason to believe you, and ending with a single clear action.
- Write several versions that differ in one idea each, run them against each other, and let the results pick the winner instead of your taste.
How do you write ad copy?
You write ad copy by deciding exactly who the ad is for, what problem or desire it speaks to, and what single action you want them to take, then saying that in as few words as possible. Lead with the outcome the buyer wants or the pain they already feel, in the words they use for it. Add one specific reason to believe you, such as a concrete detail about your offer, a guarantee, or proof. Finish with one clear call to action that matches the page the ad sends people to. Then write several versions, test them against each other, and keep the one that performs.
My strong opinion: most small business ads fail before a word is written, because they try to say everything. An ad that lists five services, three benefits, and a discount reads like noise. Pick the one message that matters most to the one person you want, and cut the rest.
What good ad copy actually has to do
An ad is an interruption. Nobody went looking for it on social media, and on search it competes with every other result on the page. So the copy has a narrow job.
- Stop the right person. The first line has to make your buyer think "this is about me." Everyone else scrolling past is fine.
- Name the problem or the outcome. Say what they want or what is bothering them, specifically.
- Give one reason to believe. A concrete detail, a guarantee, or a piece of proof that makes the promise credible.
- Ask for one action. Book, buy, download, or learn more. One, not three.
- Match the landing page. The page someone lands on should continue the exact promise the ad made, or the click is wasted.
If you are not sure who that right person is, How to Create a Buyer Persona comes first. Ad copy written for "everyone" is ad copy written for no one.
Find the one message before you write
The words are the last step. Before you draft anything, answer these questions on paper.
| Question | Why it matters | Where the answer comes from |
|---|---|---|
| Who exactly is this ad for? | Decides every word choice and where the ad runs | Your buyer persona and best customers |
| What do they want, or what hurts? | Becomes the hook in your first line | Reviews, sales calls, and customer messages |
| What words do they use for it? | Their language feels familiar; yours can feel like an ad | Exact quotes from customers |
| Why should they believe you? | Turns a claim into a credible promise | Real proof: results, guarantees, specifics of your offer |
| What is the one next step? | Becomes your call to action | Your funnel and landing page |
Questions to answer before writing an ad
If you struggle with the "why you" row, work through How to Write a Value Proposition first. A clear value proposition is the raw material most good ads are cut from.
Ad copy formulas that work
Formulas are scaffolding, not magic. Use them to get a first draft down fast, then rewrite in your customer's words.
| Formula | Structure | Illustrative example |
|---|---|---|
| Problem, agitate, solve | Name the pain, show what it costs, offer the fix | Still doing your books at midnight? Every missed receipt is money you overpay in tax. We catch up your bookkeeping in two weeks. |
| Before, after, bridge | Where they are, where they want to be, how you get them there | Your website looks like 2015. Your competitors look like they charge double. A one-week refresh closes the gap. |
| Outcome plus proof | The result, then the reason to believe it | Get a cleaner, faster website without the agency wait. Fixed price, agreed before we start. |
| Question hook | A question only your buyer answers yes to | Spending more time chasing invoices than doing the work? Automate the reminders this week. |
| Direct offer | What it is, who it is for, the next step | One-on-one sales coaching for new founders. Four sessions. Book a free intro call. |
Simple ad copy formulas with illustrative examples
How to write ad copy, step by step
- Pick one audience and one offer. One ad, one buyer, one thing you want them to do.
- Collect their words. Pull phrases from reviews, emails, and sales calls that describe the problem and the result.
- Write ten hooks. Draft ten first lines using different angles: pain, outcome, question, proof, and direct offer. Most will be weak. That is the point.
- Pick the best three. Choose the hooks that sound most like your customer and say the most in the fewest words.
- Add the body. One or two lines that give a reason to believe and remove the biggest objection.
- Write the call to action. One clear verb tied to what happens next. How to Write a Call to Action covers this in detail.
- Check the landing page. Make sure the page headline continues the exact promise of the ad.
- Launch versions side by side. Run the variations against the same audience and compare results.
How to test ad copy without wasting money
- Change one thing at a time. If two ads differ in the hook, the image, and the offer, you will not know which change mattered.
- Test the hook first. The first line usually has the biggest effect on whether anyone reads the rest, so it is the most useful thing to test.
- Judge on the outcome you care about. Clicks are cheap. Track leads, calls booked, or sales from each version.
- Give each version enough data. Do not declare a winner after a handful of clicks. Small samples are mostly noise.
- Keep a swipe file of winners. Save the ads that worked and the reason you think they worked. Your next round starts from there.
Ad copy mistakes to avoid
- Talking about your business instead of the buyer's problem.
- Cramming several offers or benefits into one ad.
- Clever wordplay that makes people think instead of recognize themselves.
- Claims you cannot prove, such as invented results or vague "best in town" boasts.
- A call to action that does not match what the landing page asks for.
- Writing one version and assuming it is the best one.
Many of these are the same mistakes that sink headlines. How to Write a Headline goes deeper on writing a first line people actually read.
How to write ad copy with Claude
Claude is very good at generating variations, which is exactly what ad testing needs. The quality depends on what you give it. Use the Claude desktop app and feed it real customer language, not a request to "write a catchy ad."
- Paste in your offer, your buyer persona, and a handful of real customer quotes about the problem and the result.
- Ask Claude for ten hooks using different angles: pain, outcome, question, proof, and direct offer, each labeled by angle.
- For search ads, ask for headlines under 30 characters and descriptions under 90, and ask it to flag any line that only makes sense next to another line.
- Ask it to remove every claim that is not backed by the material you gave it.
- Pick your favorites, rewrite them so they sound like you, and check each one against your landing page headline.
Frequently asked questions
What is ad copy?
Ad copy is the written text of an advertisement, including the headline, body text, and call to action. Its job is to get the right person to notice the ad, recognize their problem or goal, and take one next step.
How long should ad copy be?
As short as it can be while still naming the problem, giving a reason to believe, and asking for one action. Search ads have fixed character limits; social ads allow more text, but the first line does most of the work.
What are the character limits for Google search ads?
For Google responsive search ads, headlines can be up to 30 characters and descriptions up to 90 characters. You need at least 3 headlines and 2 descriptions, and can add up to 15 headlines and 4 descriptions.
What is the best formula for ad copy?
There is no single best formula. Problem, agitate, solve and before, after, bridge are reliable starting points. Test several versions and let results decide.
Can AI write ad copy for me?
AI can draft many variations quickly, which is useful for testing. Give it your real offer and customer language, remove any claim you cannot back up, and edit the final versions so they sound like your business.