Google Ads, also called Pay-Per-Click or PPC, is one of the most talked-about digital marketing tools and also one of the most misunderstood. Some businesses swear by it. Others spend thousands and see nothing. The difference is usually not about the platform itself but about whether their business was a good fit for it in the first place.
This article gives you an honest picture of what Google Ads actually is, how the costs work, which types of UK small businesses tend to get good returns from it, which ones tend to get poor returns, and what the alternatives are if it is not right for you.
What Google Ads actually is
Google Ads is an auction system. When someone searches on Google, advertisers bid for the right to have their ad appear at the top of the results page for that search term. You only pay when someone clicks your ad, which is where the term Pay-Per-Click comes from.
The position your ad appears in is determined not just by your bid but by a quality score, which Google calculates based on how relevant your ad is to the search, how relevant your landing page is to the ad, and your historical click-through rate. A highly relevant ad with a well-matched landing page can outrank a competitor who is bidding more money.
Google Ads appears in several placements. Search ads appear at the top and bottom of Google search results pages, labelled "Sponsored." Display ads appear as banner images across millions of websites in the Google Display Network. Shopping ads show product images and prices directly in search results. YouTube ads run before and during videos. For most small businesses, Search ads are the most relevant starting point.
How the costs actually work
The cost per click varies enormously by industry. A click for the search term "personal injury solicitor" can cost £15 to £40 per click in the UK because those leads are worth thousands of pounds to the firm that converts them. A click for "local florist delivery" might cost £0.40 to £1.20. Understanding your industry's typical cost per click before you start is essential.
| Sector | Typical UK cost per click | Notes |
|---|---|---|
| Legal services | £10 to £45 | Highly competitive. Requires large budgets. |
| Financial services / insurance | £5 to £30 | Regulated sector. Compliance requirements apply. |
| Boiler installation / plumbing | £3 to £12 | Good ROI if average job value is high. |
| Dental / private healthcare | £3 to £10 | Works well for specific treatments with clear prices. |
| Ecommerce (general retail) | £0.30 to £2.50 | Depends heavily on product margin. |
| Restaurants / hospitality | £0.40 to £2 | Low margin industry. Often better alternatives. |
| Accountancy / bookkeeping | £2 to £8 | Good for specific service terms. SEO often better. |
| Building and trades | £1.50 to £6 | Works for project-based work. Avoid broad terms. |
Beyond cost per click you also need to factor in conversion rate. If 100 people click your ad and 3 of them contact you, your conversion rate is 3%. If each click costs £3, you have spent £300 to get 3 enquiries. Whether that is good value depends entirely on what those enquiries are worth to you. A boiler installation business converting enquiries into £3,000 jobs can absorb a £100 cost per lead easily. A florist converting clicks into £30 bouquet orders cannot.
Which businesses tend to get good returns from Google Ads
High average order value or lifetime customer value
The economics of PPC work best when the revenue from a single customer is high enough to absorb the cost of acquiring them. A solicitor, a kitchen installer, a dental practice, or a boiler company all fit this profile. When your average job or first transaction is worth £500 or more, you can afford to pay £50 to £150 to acquire a customer and still make good money.
Services people search for in an emergency or urgency situation
Emergency plumbers, locksmiths, appliance repair services, and similar businesses benefit enormously from Google Ads because the searcher needs someone right now and is not going to spend an hour comparing options. They click the first credible result and call. These searches also tend to be lower competition outside of major cities, which keeps costs manageable.
Specific product or service pages with clear pricing
If you sell something with a clear price and people are actively searching to buy it, PPC can work very well. A conservatory company advertising "lean-to conservatory Cheshire" to a well-built landing page with clear pricing and a quote form will convert better than a generic homepage.
Businesses in a hurry that cannot wait for SEO
A brand new business that needs customers now, before organic search rankings have had time to build, can use PPC as a bridge. It is not a permanent solution to replace SEO, but it can generate enquiries while the longer-term foundation is being built.
Which businesses tend to get poor returns from Google Ads
Low margin products or services
A restaurant taking £15 average per head for a table, a florist selling £30 bouquets, a sole trader painter selling jobs for £200: the maths rarely works out. When your margin is thin, the cost of acquiring a customer through paid clicks will eat most or all of the profit. This is one of the most common reasons small businesses waste money on Google Ads.
Businesses where trust takes time to build
A financial adviser, a therapist, a life coach, or a business consultant is unlikely to convert a cold click from a Google ad into a paying client. These are considered decisions. The prospective client needs to read content, see testimonials, understand the approach, and possibly meet you before they commit. PPC drives cold traffic. Cold traffic does not convert well for trust-dependent services. Content marketing and referrals are usually better channels here.
Very local businesses with naturally high footfall
A hair salon on the high street, a newsagent, a local cafe: most of your customers are walking past rather than searching online. PPC spend here often reaches people outside your catchment area or people who are just browsing rather than ready to book. Google Business Profile and local SEO tend to be far more cost-effective for these businesses.
Businesses where the customer journey is long and complex
Someone searching for "business software" or "HR consultancy" is usually at the beginning of a long research process. They click, look around, and leave. Unless you have a sophisticated retargeting and nurture setup, that click is wasted. These businesses are usually better served by content marketing and LinkedIn.
The risks and downsides of Google Ads
It stops the moment you stop paying
Unlike SEO, which builds an asset that keeps working, PPC delivers traffic only while the budget is running. Turn it off and the calls stop immediately. This makes you permanently dependent on the spend to maintain visibility, which is a vulnerability for any business.
It requires management to work well
A Google Ads campaign left to run without monitoring will almost always drift into wasting money. Match types, negative keywords, search term reports, bid adjustments, landing page testing: there is a real ongoing management requirement. Many small businesses either do not have time to manage this or pay an agency to do it, which adds to the cost.
Click fraud
Competitor click fraud, where a competitor repeatedly clicks your ads to drain your budget, is a real issue in some industries. Google has filters to detect it but they are imperfect. Industries with expensive keywords and aggressive local competition are more exposed to this.
Rising costs over time
Google Ads costs in most sectors have risen consistently year on year as more advertisers compete for the same clicks. What worked profitably at £2 per click three years ago may not work at £5 per click today. The platform rewards advertisers who optimise relentlessly and punishes those who set and forget.
Alternatives to Google Ads
Search engine optimisation
SEO is the process of earning positions in organic search results rather than paying for them. It takes longer to build but creates a compounding asset rather than a rented one. A page that ranks on page one of Google for a relevant search term can deliver traffic for years at no ongoing cost per click. For most local small businesses, local SEO combined with a strong Google Business Profile is the highest-return long-term channel available.
Google Business Profile
Completely free. For local searches, the map results (Local Pack) often appear above both organic results and paid ads. A well-optimised Google Business Profile with consistent reviews and regular posts can generate significant enquiry volumes at zero cost per click.
Microsoft Advertising (Bing Ads)
Bing has around 7% of the UK search market, which sounds small until you realise that is still millions of searches per day. Bing Ads typically costs 20 to 40% less per click than Google Ads for similar terms because there is less competition. The audience skews slightly older and more affluent. For many businesses it is worth running alongside Google or as a cheaper alternative to test the water.
Meta Ads (Facebook and Instagram)
Paid social advertising works differently to search. You are reaching people who are not actively searching for what you offer, which means you are interrupting rather than capturing intent. It works well for visual products, impulse purchases, event promotion, and building brand awareness. It tends to work less well for considered B2B purchases or emergency services. Cost per click is often lower than Google but conversion rates are typically lower too because the audience is less ready to buy.
Content marketing and SEO
Publishing regular, genuinely useful content on your website attracts search traffic organically. A plumber who publishes detailed articles about boiler problems, bathroom fitting costs, and how to find a Gas Safe engineer will rank for dozens of search terms over time and receive traffic that costs nothing per click. The investment is time rather than cash, which suits many small businesses better than ongoing ad spend.
Email marketing
For businesses with an existing customer base, email marketing tends to outperform paid acquisition for repeat business and referrals. A monthly newsletter to 500 existing customers costs almost nothing and can generate consistent repeat bookings or purchases without any cost per click.
Local directories and review platforms
For trades and home services, Checkatrade, Rated People, and MyBuilder generate genuine leads. For hospitality, TripAdvisor and OpenTable matter. These are not free but the cost tends to be more predictable than PPC and the leads are often more qualified because the platform itself has established trust with the consumer.
The honest answer on Google Ads for most small businesses
For a local small business in Staffordshire or Cheshire with a modest budget, the first priority should be getting the foundations right: a professional website, a fully optimised Google Business Profile, and consistent local directory listings. These cost little to nothing in ongoing fees and create long-term assets.
If those are in place and the business wants to accelerate growth, Google Ads is worth testing with a specific budget (£300 to £500 per month minimum to gather meaningful data) targeting specific high-intent search terms rather than broad categories. Run for three months, measure cost per enquiry against average customer value, and make a data-driven decision about whether to continue, expand, or redirect that budget elsewhere.
What does not work is setting up Google Ads without a strategy, without a good landing page, without conversion tracking, and without ongoing management. That is how most small businesses lose money on it.