Google Search Console vs Semrush: Which SEO Tool Suits Small Businesses?

Google Search Console is the better starting point for most small businesses because it is free and provides direct performance data from Google itself. Semrush adds significant value when a business is ready to invest in competitor research, keyword discovery, and deeper technical auditing — but it is not necessary from day one.

Key Takeaways

• Google Search Console is free; Semrush's Pro plan costs £99.95 per month (billed monthly) as of 2026.

• Google Search Console shows you exactly how your site performs in Google Search, including impressions, clicks, and average position for every query.

• Semrush tracks up to 500 keywords per project on its Pro plan and analyses competitor domains — features Search Console does not offer.

• At Revolve, we find that small businesses with fewer than 500 indexed pages rarely need Semrush in the first 12 months of their SEO programme.

• The two tools are not rivals — they serve different stages of SEO maturity and are most powerful when used together.

What is Google Search Console?

Google Search Console is a free platform provided by Google that shows how your website appears in Google Search results. It reports on clicks, impressions, click-through rate, and average position for every query that triggered your pages, and it flags technical issues such as crawl errors, Core Web Vitals failures, and manual penalties. Because the data comes directly from Google, it is the single most authoritative source of organic search performance available to any website owner.

What is Semrush?

Semrush is a paid third-party SEO platform that aggregates data from multiple sources to give businesses a broader competitive view of search. It estimates keyword search volumes, tracks your keyword rankings over time, audits your site for technical SEO issues, and — most distinctively — lets you enter a competitor's domain and see which keywords they rank for. The Pro plan, aimed at freelancers and small in-house teams, starts at £99.95 per month in 2026.

How Do Google Search Console and Semrush Compare?

• Cost — Google Search Console: Free; Semrush (Pro): £99.95/month

• Data source — Google Search Console: Google's own index; Semrush (Pro): Third-party estimates

• Keyword performance — Google Search Console: Queries already driving traffic; Semrush (Pro): Any keyword, including untapped ones

• Competitor analysis — Google Search Console: None; Semrush (Pro): Full domain-level competitor research

• Technical site audit — Google Search Console: Basic (crawl errors, Core Web Vitals); Semrush (Pro): Deep crawl, up to 100,000 pages

• Backlink data — Google Search Console: Limited (links to your site only); Semrush (Pro): Full backlink database for any domain

• Best for — Google Search Console: Monitoring existing performance; Semrush (Pro): Research, growth, and competitive strategy

• Learning curve — Google Search Console: Low; Semrush (Pro): Moderate to high

Which Tool Should a Small Business Start With?

Start with Google Search Console. Every business that owns a website should have Search Console set up before anything else, because it takes fewer than 15 minutes to verify a property and immediately surfaces data no paid tool can replicate. If your site is already generating organic traffic, Search Console tells you precisely which queries are converting, which pages are losing rank, and whether Google can crawl your site cleanly.

Semrush becomes worthwhile when you have exhausted what Search Console can tell you and need to grow beyond your current keyword footprint. In our experience at Revolve working with over 60 UK small businesses, the clearest signal that a business needs Semrush is when they ask: "What keywords should we be targeting that we are not ranking for yet?" Search Console cannot answer that question. Semrush can.

How to Choose Between the Two: A Simple Decision Process

1. Verify your Search Console property first. Add your domain, confirm ownership via DNS or HTML tag, and submit your sitemap.

2. Spend 30 days reading Search Console data. Review the Performance report weekly and fix any Coverage or Core Web Vitals issues flagged under the Experience tab.

3. Assess your keyword gap. If you have fewer than 20 pages indexed and limited organic traffic, stay with Search Console. If you are producing content regularly and want to find new topic opportunities, trial Semrush.

4. Use Semrush's 7-day free trial before committing. Run a competitor gap analysis and a full site audit. If the output reveals actionable opportunities you could not find in Search Console, the subscription is justified.

5. Consider a lower-cost AI SEO tool as a middle ground. An AI SEO tool such as Hertz can surface keyword opportunities and content recommendations at a lower price point than Semrush's Pro plan, which suits businesses with a tight monthly budget.

Common Mistakes Small Businesses Make With These Tools

Using neither tool at all. A significant proportion of small business websites are not verified in Search Console, meaning the owner has no visibility into organic performance whatsoever.

Paying for Semrush before the site has enough content to benefit from it. Semrush's value compounds with content volume and competitive intent. A five-page website with no blog will not benefit from a competitor keyword gap analysis.

Treating Semrush keyword volume data as exact. Semrush estimates are based on modelled data and can deviate materially from actual search volumes. Use them as directional signals, not precise forecasts.

Ignoring Search Console after subscribing to Semrush. Search Console's click and impression data is irreplaceable. No third-party tool — including Semrush — has access to it.

Frequently Asked Questions

Is Google Search Console really free?

Yes. Google Search Console is entirely free for any verified website owner. There are no paid tiers or feature limits — every business gets access to the full platform at no cost.

Can Semrush replace Google Search Console?

No. Semrush does not have access to Google's first-party click and impression data. The two tools report different things, and Search Console data cannot be replicated by any third party.

How much does Semrush cost for a small business in the UK?

Semrush's Pro plan costs £99.95 per month when billed monthly, or the equivalent of approximately £83 per month on an annual subscription in 2026.

Do I need both tools at the same time?

Most small businesses do not need both immediately. Start with Search Console and add Semrush once you have a clear keyword growth strategy that requires competitor research or keyword gap analysis.

What is the biggest advantage of Semrush over Search Console?

Semrush allows you to analyse competitor domains and discover keywords you are not yet ranking for. Search Console only shows data for queries already connected to your own site.

How long does it take to see results from either tool?

Neither tool generates results by itself — they surface data that informs decisions. Search Console data typically populates within 48–72 hours of verification. SEO improvements informed by either tool generally take three to six months to reflect in organic rankings.

Written by James Whitfield at Revolve, who has seven years of experience delivering SEO and digital marketing programmes for UK small businesses across retail, professional services, and SaaS. Published 22 June 2026.