If you want more people to find your business on Google, you’ve probably considered SEO, Google Ads or a combination of both.
Both can bring potential customers to your website, but they work differently. Google Ads gives you the opportunity to pay for visibility when people search. SEO focuses on improving your presence in the unpaid search results.
The right choice depends on how quickly you need enquiries, your budget, the competition and how well your website converts visitors into customers.
In this guide, we explain the differences, the benefits and limitations of each, and how to decide where to invest.
What is search engine optimisation (SEO)?
Search engine optimisation, or SEO, involves improving your website so it can appear more prominently in relevant organic search results.
For example, an accountancy firm might want to appear when someone searches for “small business accountant Colchester”. An online retailer might target searches for the products it sells.
An SEO strategy can include:
- Improving service, product and category pages with keyword research and relevant keywords in the website’s content.
- Fixing technical issues that affect crawling and indexing as part of technical SEO, including site speed, broken pages, sitemaps, robots.txt and canonical tags.
- Creating helpful content that answers customers’ questions quickly and effectively and is relevant to your industry/niche. It should also support broader SEO strategies related to your target keywords, covering both transactional and informational topics.
- Strengthening internal links and website navigation with optimised anchor text and links to helpful credible resources.
- Building credibility through off page SEO, including link building from reputable websites, boosting you social media content, managing customer reviews and local citation optimisation.
- Improving local visibility, including your Google Business Profile, Bing Places for Business Profile, localised content and keyword targeting, as well as building local citations.
You don’t pay Google for each organic click, but organic search traffic from SEO efforts still depends on ongoing investment in research, content, technical improvements and management. In practice, a long-term SEO campaign can take time to improve keyword rankings, especially around competitive keywords, and it must adapt as search engine algorithms change.
What is Google Ads?
Google Ads is Google’s paid advertising platform. For this comparison, we’re focusing mainly on Search campaigns: the PPC ads that can appear in search engine results pages when people search for relevant products or services.
Advertisers bid for the opportunity to appear in paid search results, with placement in the search engine results influenced by factors including the bid, competition, ad quality and the context of the search.
With Search advertising, you generally pay when someone clicks your ad. That’s why it’s often described as pay-per-click advertising, or PPC, and why ad spend needs to be tracked closely against returns.
Through Google Ads management, businesses can control budgets, target locations, manage keyword targeting, reach a defined target audience and measure actions such as enquiries or purchases across major PPC platforms.
The opportunity to generate qualified traffic can arrive quickly once PPC campaigns are approved and running. Turning that traffic into profitable business usually takes testing and refinement, including improving ad copy and using PPC data to guide decisions.
SEO vs Google Ads: The main differences
| Factor | SEO | Google Search Ads |
|---|---|---|
| Speed | Usually takes 3 to 6 months to assess meaningful progress | Can generate traffic soon after launch |
| Cost | Investment in website improvements, content and ongoing work | Advertising spend plus management and any supporting website work |
| Cost per click | No charge from Google for organic clicks | Google Ads involves a fee for every click, and traffic stops when the budget is exhausted |
| Placement | Unpaid search listings in organic results | One of the main PPC platforms, Google Search Ads are Search campaigns that appear in paid search results on search engine results pages |
| Control | You influence visibility through your website and wider presence | More direct control over budgets, targeting by demographics and interests, messaging, and measurement through PPC data |
| When spending stops | Previous work may continue delivering traffic, although performance can change | Paid traffic stops when campaigns stop serving |
| Main challenge | Building visibility against competing websites | Winning valuable customers at a sustainable acquisition cost through keyword targeting and ad copy that influence paid performance |
Neither marketing channel guarantees a particular ranking, level of traffic or number of sales. In SEO and PPC, appearing strongly across search engine results can help you capture more attention. PPC can deliver qualified traffic quickly, but PPC campaigns can become expensive as costs per click rise.
When is SEO the right choice?
1. You want to build a lasting source of enquiries
SEO can be a good fit when you want to develop long-term, sustainable organic traffic and visibility over time and can commit to consistent improvements.
Well optimised and helpful service pages, product categories and blog articles can continue attracting visitors after the initial work is completed. Unlike paid advertising, which stops generating leads the moment you stop paying.
That doesn’t make SEO a one-off project. Content needs reviewing, technical issues can develop and competitors keep investing. However, successful work can create value beyond the month in which it was delivered.
2. Customers regularly search for what you offer
SEO is particularly relevant when potential customers already use search engines to research or buy your services.
Those searches might include:
- A service and location, such as “commercial cleaning Essex”.
- A product category, such as “wildflower seeds”.
- A buying question, such as “how much does a loft conversion cost?”
- A comparison, such as “Shopify vs WooCommerce”.
A useful SEO strategy connects these searches to pages that help people move towards an enquiry or purchase.
3. You can give the strategy time to develop
SEO is rarely the quickest route to filling next week’s diary. It is a long-term strategy that requires patience and time commitment.
As a guide, you should allow 3 to 6 months to assess SEO progress, with more competitive goals potentially taking much longer (up to 18 to 16 months). Your website’s starting position and the work required will affect that timeline.
You should still have clear priorities, reporting and review points throughout. A longer timescale shouldn’t mean waiting without evidence or explanation.
When is Google Ads the right choice?
1. You need enquiries sooner
Google Ads can help you reach people searching for your services while your organic visibility develops. Some users skip sponsored ads in favour of organic search results because of ad fatigue. RankPay reports that 94% of users skip paid search results.
This may suit a business launching a new service, expanding into a new location or needing a more immediate source of opportunities.
However, speed of launch and profitability are different things. Campaigns need suitable targeting, persuasive ads, accurate tracking and a website that makes it easy to take action.
2. You want to promote a specific offer or service with PPC campaigns
Google Ads provides flexibility over which services you advertise, where you advertise them and how much you spend.
For example, you might focus on:
- A seasonal service.
- A product launch.
- A particular town or service area.
- A higher-margin part of your business.
- An offer with a limited booking window.
This makes it useful when your priorities change more quickly than an SEO strategy can respond.
3. You want to test demand
Paid search can help you explore whether particular searches generate valuable enquiries.
You can test messaging, landing pages and service propositions, then use the findings to inform wider marketing decisions.
The results need interpreting carefully. An unsuccessful campaign doesn’t automatically prove there’s no market: targeting, pricing, competition and the website experience can all affect performance.
Is SEO cheaper than Google Ads?
There isn’t a universal answer.
The useful comparison is how much each channel costs to generate a suitable customer, and what that customer is worth to your business.
For Google Ads, include advertising spend, management fees and supporting work such as landing page improvements.
For SEO, include the cost of strategy, content, development and ongoing optimisation.
Imagine a business spends £1,500 on advertising and management in a month and receives 30 enquiries. That’s £50 per enquiry. Whether that’s a good result depends on the quality of those leads, how many become customers and the profit those customers generate.
SEO needs the same commercial scrutiny. More organic traffic isn’t automatically valuable if it attracts people who are unlikely to buy.
How much does SEO cost?
The average cost of an SEO retainer in the UK typically ranges from £500 to £5,000+ per month, but this depends on the size of your business and website. If you require full strategic agency support, an ideal budget is £1,500. However, some agencies offer smaller packages but include less hours of work provided.
How much does Google Ads cost?
The average cost for a Google Ads management retainer in the UK ranges from £1,500 to £5,000+ pe month for a standard agency. This common pricing model offers ongoing optimisations, keyword research, Ad creation, and reporting. Whereas independent Google Ads specialists or smaller boutique freelancers often charge £50 – £150 per hour or lower-tier monthly packages starting around £500-£950 per month
Successful SEO may reduce your reliance on paid traffic over time. Equally, Google Ads may remain a worthwhile investment if it consistently generates profitable customers.
Which brings better-quality leads?
Both can generate excellent leads. Both can also attract the wrong people.
SEO Leads vs Google Ads Leads
SEO Leads
SEO can generate quality leads through capturing people in the organic search results who are actively searching online for specific solutions, services or products. The benefit of SEO is that it can attract buyers who already have intent, making organic leads more likely to convert.
Google Ads Leads
Additionally, Google Ads can generate quality leads through matching high-intent searches with targeted campaigns and using precise geographic settings to deliver Ads in specific locations where the business operates and is most profitable. Provided that your campaigns use strict filtering and targets exact or phrase-match keywords that Google users are actively searching for, lead intent can be higher but poor setup can quickly waste budget on low-value clicks.
Lead quality depends heavily on the searches you target and how clearly your website explains your offer.
A business looking for commercial maintenance contracts probably won’t benefit from large numbers of visitors seeking DIY repair tips. Similarly, an ad targeting a broad term may attract people with very different needs.
For either channel, ask:
- Does the search suggest a need we can meet?
- Is the visitor in an area we serve?
- Does the page explain who the service is for?
- Are pricing, suitability and next steps clear?
- Can we track which enquiries become customers?
These questions help keep the focus on business outcomes.
Can you use SEO and Google Ads together?
Yes. For some businesses, the strongest approach is to build a broader search marketing strategy that gives each channel a clear role.
Google Ads can support immediate priorities while SEO develops visibility around core services and customer questions.
Benefits of using SEO and Google Ads
- Clearer search pattern visibility & highlights more opportunities
The channels can also inform one another. PPC data may reveal useful wording or searches worth exploring through content, while SEO data can highlight demand patterns and keyword opportunities that sharpen SEO and PPC efforts and strengthen your PPC strategy. This kind of combining SEO supports both SEO and paid campaigns as part of a more effective search marketing approach.
- Improves overall marketing strategy
Integrating both Google Ads and SEO can improve overall marketing efficiency and help attract more qualified traffic.
Factors to consider when using SEO with Google Ads
Running ads does not directly improve your organic rankings. The benefit comes from coordinating your marketing and applying what you learn.
You also need to review overlap. Owning paid ads and organic listings on the same search results page can expand your SERP real estate and often improve click-through rates, but paying for a click where you already appear in organic listings should still be assessed rather than assumed. The last thing you want is to bid on a keyword in Google which you already have an organic ranking for as it wastes unnecessary budget. It is important to review the keywords you are both targeting for SEO and Google Ads to ensure the tactics are not competing against each other. Instead, they should go hand-in-hand and work collaboratively to grow your online presence.
Your website matters whichever channel you choose
Neither SEO nor Google Ads can compensate fully for a website that leaves visitors confused.
If your pages are difficult to use, your offer is unclear or your enquiry form doesn’t work, attracting more traffic may simply increase wasted opportunities.
Before scaling either channel, check that your website:
- Clearly explains what you offer and where you operate.
- Works well on mobile devices.
- Provides relevant evidence, such as reviews and case studies.
- Makes contact details and calls to action easy to find.
- Has working forms, checkout and conversion tracking.
Sometimes, investing in website improvements is the most useful first step towards getting better results from your marketing budget.
How to decide where to start
Choose SEO first if…
You have time to build visibility, customers regularly search for your services and your website has clear opportunities for improvement.
You’ll also need the resources to implement the recommended work consistently.
Choose Google Ads first if…
You need to test or generate demand sooner, have a defined offer and can fund both advertising and the work needed to manage it effectively.
Your budget should be realistic for your market. Spreading a small budget across too many services or locations can make useful testing difficult.
Consider both if…
You need enquiries now while also investing in future organic growth.
The budget split should follow your goals and performance data. There’s no fixed percentage that suits every business.
Improve the foundations first if…
Your website has serious usability problems, you don’t know which services are profitable or you can’t measure enquiries accurately.
Addressing those gaps will make subsequent investment easier to assess.
Find the right approach for your business
The best choice starts with your business: what you sell, who you want to reach, how quickly you need results and what you can afford to invest.
At Squarestar Digital, we help businesses plan and manage SEO and Google Ads around clear commercial goals. We can review your current website and marketing, identify opportunities and recommend where to focus your budget.
Get in touch with Squarestar Digital to discuss the right approach for your business.
