How long should I give an SEO company to prove value?
Separate two questions: how long before the company can show it is doing competent work, and how long before that work shows up in results. The first should be visible early, through documents, completed tasks, and clear reports, at checkpoints you agree with the company. The second takes longer, and there is no published standard for it, so tie it to checkpoints written into the agreement at the start, based on the company’s own estimate for your site. A company that cannot prove its process early has given you an answer already; one that proves its process deserves the time its plan said results would need.
Why results cannot be judged in weeks
Changes to a site do not register in search immediately. Google’s SEO Starter Guide explains that some changes take effect within hours while others can take several months, and suggests waiting a few weeks before assessing whether a change helped. The first weeks of a serious engagement are also spent on foundations: the audit, research, and plan come before the bulk of the changes reach your site. Judging results at week three means judging work that has barely started.
What can be judged early
Too early to judge results is not too early to judge anything. By the first checkpoint you agree, such as the end of the first month, you should be able to see a completed audit, a written plan specific to your business, the baseline figures the work will be measured against, and the first tasks done on the schedule the plan set. Reports should list what was done, not just show charts. If, at that checkpoint, there is no audit, no plan, and no clear account of what has been done, the problem is not patience.
Early signs that the work is taking effect
Before rankings and inquiries move, other measures can: technical problems fixed and staying fixed, more of the pages you care about indexed, new or improved pages going live as planned, and rising impressions for target pages in Search Console. These show the work reaching the site and Google, not the result itself, and a good report presents them that way.
Setting the checkpoints
Agree at the start what each checkpoint should look like, for example at one, three, and six months, using the company’s own estimate for your site: which deliverables will exist, which early measures should have moved, and when the first change in inquiries or sales is expected. Review progress monthly against those definitions, so that a problem is found at the next checkpoint rather than at the end of the year. If the company will not commit to any checkpoint, you have no way to tell whether the work is on track.
When to stop waiting
Stop waiting when the process fails, not only when results are slow: reports that list no completed tasks, long silences, work that does not match the plan, refusal to say where links came from, or promises of fast rankings. A strong process with slow results calls for patience up to the agreed checkpoints; a weak process will not improve with more time.