There is no single number of years that makes an SEO company qualified. A two-year-old agency staffed by people who worked in SEO for a decade elsewhere can be stronger than a ten-year-old shop that stopped learning in 2018. What matters is the kind of experience the team has and whether it is still current. Below is a practical way to judge that.
Years in business tell you less than what those years contained
A long track record is reassuring because it usually means the company survived several Google core updates without collapsing. SEO that worked in 2017 often stopped working after the helpful content changes that Google folded into its core ranking system in 2024 and 2025, which were aimed directly at thin, low-value, and mass-produced content. A company that has been through those shifts has had to rebuild its methods at least once, and that is useful experience.
But longevity alone is not proof of quality. Some agencies have ten years of doing the same outdated thing ten times over. Ask what the team actually did during those years: which industries, which problems, what changed in their approach after a major algorithm update hurt a client. A company that can describe a strategy it abandoned and why is showing real experience. A company that claims its approach has never needed to change is showing the opposite.
The right experience depends on your situation
A small local business and a large e-commerce site need different things. If you run a local service business, you want a team that has done local SEO repeatedly: Google Business Profile optimization, local landing pages, and reviews. If you run a site with thousands of pages, you want experience with technical SEO at scale, such as crawl budget, site structure, and indexing problems. Experience in one of these areas does not automatically transfer to the other. Ask the company to describe past work that resembles your specific case, not SEO in general.
For most businesses, you also want a team that has worked in your country and language. Search behavior, competitors, and even Google’s results pages differ by market.
Recent experience matters more than total experience
SEO in 2026 is not the same job it was a few years ago. AI Overviews and AI-generated answers now sit above or alongside traditional results for many queries, which changes how visibility works and how clicks are won. An experienced SEO company should be able to talk about this clearly: what it has actually done in response, and what results it has seen, not just the phrase “AI SEO” used as a sales line. Be skeptical of any company that claims AI search expertise but cannot point to concrete work. Recent, hands-on experience with the current search environment is worth more than a long history that ended two years ago.
Watch who actually does your work
A common gap between promised and delivered experience is the staffing handoff. The senior people who win the contract are not always the people who do the day-to-day work. It is fair to ask who will be assigned to your account, how long those specific people have done SEO, and how much of the work is handled in-house versus passed to subcontractors. Junior staff are not a problem in themselves, as long as experienced people set the strategy and review the output.
A reasonable bar to set
For a smaller business, look for an agency or individual with at least a few years of consistent SEO work, current knowledge of how search has changed recently, and direct experience with a business similar to yours. For a larger or more competitive project, set the bar higher and expect a team with deep technical experience and a clear record of working at your scale.
The goal is not to find the company with the most years on paper. It is to find a team whose experience is relevant to your problem, still current, and applied by the people who will actually be doing the work.