How to Write Ad Copy That Actually Converts

Most ad copy has the same problem: it talks about the business rather than the customer.

It leads with how long the company has been established, or how passionate the team is. It uses phrases like 'industry-leading', 'cutting-edge', and 'best-in-class' that have been repeated so many times they've lost all meaning. The result is copy that's technically accurate, perfectly inoffensive, and almost entirely forgettable. In a paid media environment where you have a fraction of a second to earn someone's attention, forgettable is expensive.

Start with the customer, not the product

The most important shift in ad copywriting is moving from product-centric to customer-centric thinking. The question isn't 'what does our product do?' — it's 'what does the customer want, and what problem are they trying to solve?'

A business selling accountancy software might describe it as 'cloud-based financial management with real-time reporting'. A customer-centric version of the same product: 'Stop spending your Sunday evenings on spreadsheets'. One describes features. The other describes relief.

Before you write a word of copy, write down every problem your customer has that your product solves — not the features, the problems. Then write copy that speaks directly to those problems.

Specificity converts better than superlatives

One of the most reliable improvements you can make to ad copy is replacing vague claims with specific ones. Compare:

"Award-Winning Accountants You Can Trust" versus "Save Up to 8 Hours a Month on Bookkeeping"

The first makes a claim every competitor can make equally. The second is specific, quantified, and immediately relevant. Look at your copy and count the superlatives: 'leading', 'trusted', 'expert', 'premium'. Can every one of your competitors say the same thing? If yes, replace it with something only you can say.

Writing for Google Search: intent is everything

Search ads appear in response to a specific query — which means you know more about the person reading your ad than on almost any other channel. Your job is to confirm, as quickly and clearly as possible, that you have exactly what they're looking for.

Match the intent of the search

Someone searching 'emergency plumber Edinburgh' wants immediate reassurance that you're available now, in their area. 'Emergency Plumber Edinburgh — Available 24/7' does more work than 'Quality Plumbing Services in Scotland'.

Use headlines to answer, descriptions to sell

Headlines confirm relevance. Descriptions have more space to introduce a differentiator, handle an objection, or add a call to action. Don't repeat the same information across both — use each element for a distinct purpose.

Writing for Meta and paid social: earn the stop

Social ads operate in a fundamentally different context. The person isn't looking for anything — they're scrolling and your ad appears uninvited. The first job of social ad copy isn't to sell; it's to earn enough attention that the person stops scrolling.

Lead with the hook

The first line of your social ad copy determines whether anyone reads the rest. It needs to create immediate relevance or curiosity. 'If your Google Ads aren't converting, this is probably why' works because it identifies a specific person with a specific problem and promises a relevant answer. 'We help businesses grow with digital marketing' does neither.

Keep the primary text concise

Meta truncates copy after the first few lines on mobile. Your most important message needs to sit in those first two or three lines. Longer copy can work for certain audiences, but it needs to earn that length.

The call to action: be direct

Every ad needs a clear call to action. Weak CTAs ('find out more', 'click here') give the reader almost no reason to act. Strong CTAs tell people exactly what they'll get:

• 'Get your free quote today' — action + offer + urgency
• 'Book your free 30-minute consultation' — specific, low-commitment, clear value
• 'See how we reduced their cost per lead by 40%' — curiosity-led, outcome-focused

A quick checklist before your copy goes live

• Does the first line immediately address what the customer wants or the problem they're trying to solve?
• Have you replaced generic superlatives with specific, credible claims?
• Could any of your competitors run this exact copy without changing a word?
• Is there a clear, specific call to action?
• Are you testing at least two or three variations?

The bottom line

Effective ad copy doesn't require a creative genius or a large budget — it requires understanding your customer, being specific about the value you offer, and testing what resonates. If your current ads are generating clicks but not the conversions to justify them, ad copy review is one of the most straightforward ways to improve performance without increasing spend. Not sure if your campaigns are set up to take advantage of stronger copy? Start with a free PPC audit to see where the biggest gains are.