SEO has a trust problem, and Google knows it. Google recently updated its official “Do you need an SEO?” guidance to explicitly tell businesses to file complaints with the FTC over deceptive SEO practices, the first time that guidance has ever pointed businesses toward a federal complaint mechanism. If Google itself feels the need to do that, it tells you something about how common shady practices still are in this industry.
Here’s how to actually tell the difference between a legitimate agency and one that’s going to waste your budget.
Ranking Guarantees Are the Biggest Red Flag
If anyone promises you a specific ranking, a page-one spot, or a guaranteed timeline, that’s not confidence. That’s a sales tactic.
No agency controls Google’s algorithm, which weighs over 200 ranking factors that shift constantly, and a guarantee usually means one of two things. Either they’re targeting extremely easy, low-traffic keywords that look good in a report but don’t bring real customers, or they’re using risky tactics that can get your site penalized down the line.
A legitimate agency will talk about realistic improvement over time, not a fixed outcome by a fixed date.
Vague Reporting With No Real Numbers
If your monthly report is a PDF full of generic graphs and no explanation of what was actually done, that’s worth questioning.
You should be able to see what work happened, why it happened, and how it connects to your traffic, rankings, or leads. If an agency can’t explain a single recommendation in plain language, or gets defensive when you ask, that’s a sign they may not be doing the work themselves.
Pressure to Sign Quickly
Search rankings don’t change based on how fast you sign a contract. Artificial urgency, like a “limited time offer” or pressure to commit on the first call, is a tactic used to stop you from comparing providers or asking questions.
A real agency wants you to evaluate them properly, because they’re confident the work holds up under scrutiny.
They Can’t Rank Their Own Website
This is a simple test that’s easy to overlook. If an SEO agency’s own website barely shows up for the services they claim to specialize in, ask why. An agency that genuinely understands SEO usually demonstrates it somewhere visible, whether that’s their own site, their content, or case studies you can verify.
Suspicious Claims About AI Optimization
This one is newer, and it matters a lot right now. As more agencies pitch “AEO” or “GEO” services to get businesses visibility in ChatGPT and AI Overviews, Google has specifically warned that this space is being used by some operators to sell vague, unverifiable “AI optimization” packages that don’t actually align with anything Google or other search platforms officially recommend.
If an agency pitches AEO or GEO services, ask them directly what specific, concrete work that includes. A vague answer, or claims of secret access to how AI tools rank businesses, is a warning sign. Legitimate ai seo agency services involve structured data, content clarity, citation consistency, and technical fundamentals, not a mysterious algorithm hack.
Fake or Incentivized Reviews
If an agency offers to “manage” your reviews in a way that involves writing them, buying them, or only letting positive ones through, walk away immediately. The FTC’s rule on fake and incentivized reviews carries penalties of up to $50,120 per violation, and businesses have already been fined millions for exactly this kind of manipulation. Beyond the legal risk, Google actively penalizes manipulated review patterns, which can tank your local rankings instead of helping them.
No Clear Explanation of Deliverables
Before signing anything, you should get a straightforward answer to: what work will be done, how will progress be measured, and what happens if results don’t show up. If the explanation is fuzzy but the sales pitch is bold and confident, that mismatch is the actual signal to pay attention to.
What a Legitimate Agency Looks Like Instead
A trustworthy agency starts with an audit or strategy review, not a contract. They explain their reasoning in plain terms, set realistic timelines, usually somewhere around 3 to 6 months for early movement and longer for competitive industries, and they’re upfront about what’s outside their control, like algorithm updates or how competitors respond.
This is true whether you’re a local service business or a b2b seo agency client managing a longer, more complex sales cycle. The fundamentals of honest reporting and realistic expectations don’t change based on company size.
Trust Your Instinct, Then Verify It
If something about a pitch feels off, that instinct is usually worth listening to. Ask for references, check their own search visibility, and compare their claims against what Google’s own guidance actually says.
At Tecknoc, as a full service digital marketing agency, we’d rather walk you through exactly what we’re doing and why than ask you to take our word for it. If you’ve been burned before, or you’re just being careful before you sign anything, that’s a smart way to approach this.
Not sure if your current SEO setup is actually working for you? Talk to the Tecknoc team and we’ll give you a straight answer.