Work out what your Google Ads spend is actually returning, then get a free, no-obligation review from Cloudswitched's PPC team to improve it.
We show you exactly how to calculate return on ad spend and true ROI, using your own numbers rather than industry averages.
Our team will look at your existing Google Ads account and tell you honestly where budget is being wasted.
We manage campaigns on rolling terms, so you stay because the results justify it, not because you're tied in.
Plenty of UK SMEs run Google Ads without ever properly measuring what they get back for it. Spend is easy to see on an invoice; return is harder to pin down unless conversion tracking, cost per acquisition and lifetime value are all connected properly. Cloudswitched helps businesses calculate genuine Google Ads ROI — not just clicks and impressions — and then uses that number to guide where budget should actually go. If you've never worked out your real return, this page walks through how ROI is properly calculated, what typically distorts it, and where most calculations go wrong. As a digital agency that also builds websites and manages SEO, we see the same pattern repeatedly: businesses that can quote their cost per click to two decimal places but have no idea whether the campaign is actually profitable once margin, delivery cost and management fees are factored in.
The basic formula is straightforward: (revenue from ads minus ad spend) divided by ad spend, expressed as a percentage. The complexity is in getting accurate inputs. Revenue has to be tracked back to the specific campaign, ad group and even keyword that generated it, not just attributed to "the website" generally. Ad spend has to include the full cost, not just the media spend, if you're comparing against agency management fees.
Return on ad spend (ROAS) and ROI are related but different. ROAS measures revenue generated per pound spent on media; ROI factors in your margins and other costs to show actual profit. A campaign can have an impressive ROAS and still be unprofitable once product cost, delivery and overheads are accounted for — which is why we look at both figures, not just the flashier one.
Most poor ROI calculations don't come from bad campaigns — they come from broken or incomplete conversion tracking. Missing offline conversions, untracked phone calls, and confused attribution between Google Ads and other channels all distort the number. Getting tracking right is usually the single biggest lever for understanding true Google Ads ROI, and it's often the reason two businesses with near-identical campaigns report wildly different results.
A calculated ROI figure is only useful if it changes what you do next. Once we know which campaigns, ad groups and even individual keywords are genuinely profitable, we shift budget toward them and away from the ones that are quietly burning spend. Where the landing page is the weak link rather than the ad itself, we'll say so — sometimes the highest-ROI change is a faster, clearer landing page rather than a bigger ad budget.
A selection of websites and web applications we've designed and built for our clients.
Before we increase your budget or change bids, we make sure conversion tracking is actually accurate — otherwise every ROI figure that follows is built on sand.
Our reporting shows cost per lead, cost per sale and estimated return in plain financial terms, so you can judge performance the way you judge any other spend.
From your first conversation to a clear ROI picture — our process keeps things simple.
We look at your current Google Ads account, conversion tracking and reported spend to establish a real baseline.
We repair or rebuild conversion tracking so revenue and cost are attributed accurately to campaigns and keywords.
With clean data in place, we calculate true ROI and return on ad spend, and show you exactly how we got there.
We reallocate budget toward what's actually working and report monthly in plain financial terms, not vanity metrics.
We treat your ad spend like the business investment it is. Before we touch bids or budgets, we make sure conversion tracking is accurate, because an ROI figure built on broken tracking is worse than no figure at all.
Our reporting translates Google Ads performance into cost per lead, cost per sale and estimated return, in language a business owner or finance director can act on immediately.
We run campaigns on rolling terms rather than long lock-in contracts, because we'd rather earn your continued spend through results than through a contract clause.
As part of a wider digital agency offering web development and SEO alongside Google Ads, we can see the full picture — from the ad to the landing page to the conversion — rather than optimising one piece in isolation.
Based in the City of London, we manage Google Ads accounts for SMEs across the UK, with the same rigour applied whether your monthly budget is modest or substantial.
We're also candid about limits — if your product margins or average order value mean Google Ads can never be genuinely profitable at scale, we'll tell you before you spend another pound finding that out the hard way.
Google Ads management scaled to your ad spend, with a custom quote after a free account review.
For businesses just getting started with Google Ads
For businesses scaling multiple campaigns
For established advertisers with larger budgets
Multi-market or multi-brand ad accounts
We manage ad spend like it's our own money. Here's what sets us apart.
We won't recommend spending more until we're confident conversion tracking is accurate — anything else risks scaling a broken number.
We manage on rolling monthly terms. If our work isn't earning its keep, you're free to walk away with reasonable notice.
We also build websites and landing pages, so we can improve the page your ad sends people to, not just the ad itself.
Reports lead with cost per lead, cost per sale and estimated return — figures you can put in front of a finance director.
A named point of contact who knows your account and your business, not a rotating support queue.
Our free review tells you what's actually happening in your account, even if the honest answer is "it's working, leave it alone."
Your Google Ads account stays in your name under your ownership. If you ever move on, you take everything with you.
As part of a wider digital agency, we factor in SEO and organic performance so Google Ads isn't competing against your own organic rankings.
Management fees are agreed up front and separate from your media spend, so you always know exactly where your money is going.
Google Ads rarely sits in isolation — it usually competes for budget against SEO, social media and other marketing spend. Understanding true Google Ads ROI lets you make that budget allocation decision properly, rather than guessing based on which channel feels most active. We also manage SEO and web development, so if your best next investment turns out to be your landing pages rather than your ad spend, we'll tell you that too.
This matters because Google Ads and SEO frequently target the same keywords, and paying for a click you'd have received organically anyway is a hidden cost that pure ROI calculations often miss. We factor organic visibility into our recommendations, using tools like our SEO cost calculator alongside your ad account data, so budget decisions reflect the full picture rather than one channel in isolation.
The most common mistake is measuring ROI purely by cost per click or click-through rate, neither of which tells you anything about whether the business made money. A low cost per click on the wrong keywords is still a poor investment; a higher cost per click that reliably produces sales can be an excellent one. We regularly see accounts where the cheapest-looking keywords are actually the least profitable once conversion rate and order value are properly weighed against them.
Another frequent issue: comparing Google Ads ROI against organic traffic ROI without accounting for the fact that organic traffic often has no ongoing media cost, which naturally makes its ROI look better on paper even where paid traffic is delivering genuinely valuable, incremental customers.
Getting an honest number: we recommend a short account review before committing to any change in budget — it usually takes less time to establish the real ROI picture than it does to keep guessing at it month after month.
Seasonality matters too: a single month's ROI can be misleading for businesses with seasonal demand, so we typically look at a rolling three to six month window before drawing firm conclusions about what's working and what isn't.
Free review
Send us access to your account or your reporting and we'll give you an honest read on your real return on ad spend, with no obligation to sign up.
google ads roi
The true profit return from Google Ads spend once accurate conversion tracking, true costs and margin are properly accounted for — not just clicks or impressions.
return on ad spend
Revenue generated per pound of media spend — a useful headline figure, but one that needs margin applied before it becomes true ROI.
Got questions? We've answered the most common ones below. If you need more detail, get in touch.
The core formula is (revenue from ads minus ad spend) divided by ad spend, expressed as a percentage. The hard part is getting accurate revenue and cost inputs, which is why we focus first on fixing conversion tracking before quoting any ROI figure.
It depends entirely on your margins and industry, so we avoid quoting a generic benchmark. What matters is whether the campaign is profitable after real costs, and whether it's improving over time against your own baseline.
Management fees vary with the size and complexity of your account and are quoted after a free review, separate from your media spend, so you always know exactly what you're paying us versus what you're paying Google.
They tend to suit different timeframes. Google Ads can produce measurable return quickly but stops the moment you stop paying; SEO takes longer to build but keeps delivering without ongoing media spend. Most businesses benefit from a mix of both.
Yes, effectively. Without accurate conversion tracking, any ROI figure is a guess dressed up as data. This is usually the first thing we fix before recommending any budget change.
Yes, we regularly provide independent second opinions on existing Google Ads accounts, with no obligation to switch providers afterward.
Tracking fixes can show clearer data within the first couple of weeks. Meaningful ROI improvement from optimisation typically shows within one to three months, depending on your sales cycle and how much historical data existed beforehand.
There's no fixed minimum, but we're upfront if your budget is genuinely too small for Google Ads to make sense — in that case we may suggest SEO or another channel offers better ROI for your situation.
Limited time offer — valid until 31/05/2026
We believe that communication is key to any successful partnership. Submit your details and one of our friendly team members will be in touch with you shortly.
Submit your details and one of our friendly team members will be in touch with you shortly
Powered by industry-leading technologies including SolarWinds, Cloudflare, BitDefender, AWS, Microsoft Azure, and Cisco Meraki to deliver secure, scalable, and reliable IT solutions.
23 Aug, 2026
AI code review has moved from novelty to default in UK development teams inside about eighteen months. Pull requests now arrive pre-annotated by a model,...
22 Aug, 2026
Google Ads wasted spend is the single most recoverable line item in most UK SME marketing budgets. It is not a strategy problem and it is rarely a creative...
21 Aug, 2026
Cyber Essentials certification has quietly become a commercial requirement rather than a security badge. It is mandatory for most central government contracts...