How to Spot a Bad SEO Agency

You do not spot a bad SEO agency by the results afterward, but by the signals up front. By the time the rankings disappoint, you are already six months and a few thousand euros down the line. The good news: most weak agencies give themselves away during the sales conversation, in the proposal and on the first invoice. This article lays out nine red flags you can tick off before you sign. Not a vague gut feeling, but concrete things to ask about and watch for.

If you first want to understand what SEO actually is and how it fits into a growth engine, read the pillar on what SEO is. Below we assume you already know that and that you are now looking for a partner to execute it.

Red flag 1: guarantees of a number 1 position

Nobody owns Google. An agency that guarantees a specific position promises something it does not control. The algorithm changes, your competitors move along and the SERP looks different for every query. An honest partner talks in scenarios and directions, not in guaranteed spots. If you are guaranteed the top position, you are buying a gamble sold as a certainty.

The variant on this is the guaranteed timeline: “on page one within three months”. SEO is a build-up game, not a switch. A credible proposal explains why something takes time and what you do see moving in the meantime.

Red flag 2: the agency does not ask about your business

This is the subtlest, but perhaps the most important. A good conversation starts on your side: what is a customer worth to you, how long is your sales cycle, which services yield margin, where do your best leads come from now? An agency that immediately starts talking about keywords and backlinks and never asks about your margins or your leads optimizes for rankings instead of for pipeline.

SEO is the acquisition layer of one growth engine. Whoever gets that wants to know first where the revenue sits. Whoever does not get that delivers you traffic that looks good in a report and does nothing for your calendar.

Red flag 3: it is all about rankings, nothing about revenue

Ask what the agency will report after three months. If you get a list of positions and a traffic graph, you are steering on vanity metrics. The question that counts is: how many enquiries, how many qualified leads, how much pipeline comes out of organic? A strong agency talks in that language, ties SEO to your forms and your CRM, and dares to say which pages make money and which do not.

Rankings are a means. If they are sold as the goal, you will soon be measuring progress that your bank account does not feel.

Red flag 4: you do not get access to your own data

Search Console, Google Analytics, your domain name and your hosting account belong in your name. An agency that creates those accounts under its own management and gives you no access builds in a hostage situation. If you switch later, you lose your historical data, your measurements and sometimes even your domain.

Ask explicitly: are all my accounts on my own email address and do I have administrator rights? If there is hesitation, that is your answer. This is non-negotiable, no matter how good the rest of the story sounds.

Red flag 5: no explanation of the method

“We do the SEO, you do not need to worry about it” sounds reassuring, but it is a red flag. You do not have to become a technician, but you should understand in broad strokes what is happening: which pages, which topics, which technical fixes, which content, in what order and why. An agency that cannot explain its approach in plain language either has no approach or something to hide.

Ask about their SEO roadmap. A structured answer with phases and priorities is a good sign. A hazy “that depends” with no follow-up is not.

Red flag 6: suspicious link building

Ask where the backlinks come from. If you hear about packages of hundreds of links, private blog networks, or links that are dirt cheap per unit, you are buying future problems. Those are classic black hat techniques that can work in the short term and hand you a manual Google penalty in the long term. Cleaning that up costs more than you ever saved.

A credible agency talks about relevant mentions, editorial links and authority you earn with content, not about volume you buy.

Red flag 7: no case studies, or case studies without context

Everyone likes to show a graph that goes up. The question is what sits underneath it. Ask for a case in your sector or with your starting point, and ask what it delivered the client in leads or revenue, not just in positions. If the agency cannot name a single client you can call, or if all the cases stay anonymous and numberless, be careful.

Good case studies are concrete: this was the situation, this is what we did, this is what came out. Vague success stories without a beginning and an end point say nothing.

Red flag 8: no-cure-no-pay and bait rates

“Only pay when you are number one” sounds risk-free, but it steers the agency toward the easiest keywords with no commercial value. You will soon rank for terms nobody searches and that bring in no customers. The same goes for suspiciously low monthly rates: quality SEO costs people’s time, and that time cannot be sold for peanuts. Too cheap usually means automated junk or a template that runs at a hundred clients at once.

If you want to know what an honest range is, read what SEO costs before you assess a quote.

Red flag 9: long contracts with no exit

A twelve-month contract with no interim evaluation and no cancellation option is a red flag, especially in combination with the other signals. SEO needs time, so a minimum term is reasonable, but you should have checkpoints: moments where you look together at whether the direction is right and where you can get out if they do not deliver on their promises. An agency that is confident in its work dares to build in those checkpoints.

If you are in doubt about a running contract, switching SEO agencies helps you move over cleanly and without data loss.

Use this as a checklist

Walk through these nine points in your next sales conversation and simply keep count. One red flag can be a misunderstanding. Two or three together, especially if guarantees, missing access and pure ranking talk are among them, is a pattern. Then you are not buying growth, but a report.

The reverse test works just as well: an agency that asks about your margins, reports in leads, gives you your own accounts, explains its method and is honest about time and risk automatically ticks off the opposite of this list. That is what you are looking for.

At Customer Impact we build SEO as the acquisition layer of one growth engine: optimized for pipeline, not for vanity positions, and with the added layer that you not only rank in Google but are also cited by AI search engines like ChatGPT, Google AI and Perplexity. If you want an SEO specialist who, with this checklist, falls squarely on the right side, take a look at how we work.

Are you in doubt about a quote currently on the table? Put it next to ours and we will tell you honestly where the red flags are, even if that means you are better off staying elsewhere.