How Algorithms Affect Your Google Presence (2026 Guide)
You assume "Google" is one thing you either rank on or you do not. It is not. Your organic listing, your ad, your Google Business Profile and whatever AI Overview appears above all of it are each ruled by a different algorithm, running to a different set of rules, often on the same search results page.
In 18 years running Optimise Your Marketing from Cromford Mills in Derbyshire, I have sat with East Midlands business owners convinced their Google Ads were broken because their organic ranking looked fine, or convinced their SEO had failed because a competitor outranked them in the Local Pack. Nearly every time, the real issue was mixing up which Google algorithm was actually in play.
This post expands on a point I made in our guide to how algorithms fit into every part of the BIG12: beyond organic SEO, Google runs separate algorithms for Ads, Google Business Profile and increasingly AI Mode and AI Overviews. Here is how each one actually works.
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Organic search, PPC and Google Business Profile each run independently, ranked by different signals and updated on different timelines. A change to one rarely explains a change in another, which is why treating "Google performance" as a single number is one of the most common mistakes we see.
The Ads Auction and Quality Score Model
Every time an ad slot is available, Google runs an auction weighing your bid against a Quality Score built from expected click-through rate, ad relevance and landing page experience. Two advertisers bidding the same amount can pay wildly different prices, and get wildly different positions, because Quality Score rewards relevance over raw spend.
This is why a well-targeted, relevant ad pointing to a fast, well-matched landing page will consistently beat a generic ad backed by a bigger budget, and why fixing landing page experience often lowers cost per click faster than raising a bid ever will.
Google Business Profile and the Local Pack
Your Google Business Profile is ranked by an entirely separate local algorithm, built around proximity, relevance and prominence, feeding the three-result Local Pack that appears above organic results for local searches. Reviews, category accuracy, posting activity and how completely your profile is filled in all feed this system directly, and it often moves faster and more visibly than organic rankings for local East Midlands searches.
Your organic ranking, your ad position and your Local Pack placement are judged by three different algorithms. Fixing one rarely fixes another, which is exactly why so many businesses feel like they are chasing three separate problems at once. Stuart Baddiley, Optimise Your Marketing
AI Mode and AI Overviews Are Becoming a Fourth System
Increasingly, a fourth layer sits above all three: AI Mode and AI Overviews, which summarise an answer directly on the results page using a mix of signals drawn from organic content, structured data and Google's own generative models. Each has its own logic, but all four systems ultimately reward relevance, freshness and a genuinely good user experience, whether that experience is a landing page, a business profile, or the content behind an AI-generated answer.
When a Derbyshire trades business fixed Quality Score before raising budget
A trades client across the East Midlands was paying well above the market rate per click, and assumed the fix was a bigger budget. We rebuilt their landing page for relevance and speed and tightened ad copy to match search intent more closely. Cost per click dropped by a third within four weeks, on the same budget, purely from a stronger Quality Score.
See how we approach GoogleHow This Connects to the BIG12 Framework
Google sits alongside SEO, Local, Website and Algorithms in the BIG12, and the four Google systems above draw directly on all of them, a fast website feeds Quality Score, good SEO feeds AI Overviews, and a well-maintained profile feeds the Local Pack. Derbyshire businesses who treat Google as one connected system, rather than four separate projects, consistently get more from the same budget. We cover this properly in our online marketing training, alongside our related guide to how algorithms affect your SEO and our wider guide to where algorithms fit into every part of the BIG12.
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Knowing that Google runs four separate systems is the easy part. Actually auditing Quality Score, keeping a Google Business Profile genuinely active, and making sure your content holds up inside AI Overviews too, that is where most Derbyshire and East Midlands business owners run out of time.
That is the gap we close. In 18 years of applying the BIG12 for UK SMBs, the businesses winning on Google are never the ones with the biggest ad budget, they are the ones getting all four systems working together.
If your Google performance feels inconsistent across ads, search and your local listing, it is worth finding out which system is actually holding you back.
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