Short answer
Technical fixes and Google Business Profile improvements can show movement within 4 to 6 weeks. Meaningful, durable rankings for competitive service and location keywords typically take 3 to 6 months, and highly competitive categories in major cities can take longer still. There is no reliable way to compress this significantly, regardless of what an agency promises.
Why some changes are fast and others aren't
Google can re-crawl and reflect changes to your Google Business Profile within days, which is why local map pack movement is often the first visible sign that something is working. Technical fixes, like improving page speed or fixing broken indexing, tend to show impact within a similar window because they remove a barrier that was actively suppressing existing content. Building genuine topical authority for a competitive keyword is different: Google is watching how your site performs over time, how other sites link to and reference it, and how consistently useful content accumulates, none of which can happen instantly regardless of budget.
A realistic month-by-month picture
In the first month, expect technical and Google Business Profile work with limited visible ranking movement yet. By months two and three, local search visibility usually starts improving, especially for less competitive terms, and you may see an early uptick in enquiries. From months three to six, service and location pages that were built early in the engagement typically start ranking meaningfully, assuming the content and technical foundation were solid. Competitive categories, cosmetic dentistry in a capital city, for example, often need the full six months or longer before rankings stabilise at a genuinely useful position.
What speeds it up, and what doesn't
A practice with an already-decent website, some existing authority, and a less saturated local market will see results faster than a brand-new website in Sydney's most competitive suburbs. What doesn't reliably speed things up: buying more backlinks quickly, publishing a large volume of thin content in a short burst, or switching agencies every few months hoping for a faster result. Google's systems are specifically designed to be resistant to shortcuts, and chasing them usually wastes budget rather than compressing the timeline.
What to actually track while you wait
Rather than checking rankings daily, which mostly produces anxiety rather than insight, track enquiries and bookings monthly against your baseline before the campaign started. Ask your agency for early indicators too, technical health scores, Google Business Profile engagement, and which pages are starting to gain impressions in Search Console, since these often move before rankings do and give a genuine signal that the work is progressing even before it shows up in new patient numbers.
What a proper monthly report should show you during this period
Ask your agency for a report that goes beyond a rankings screenshot: Search Console impressions and clicks by page, Google Business Profile views and actions, and enquiry volume against your pre-campaign baseline. A practice that can see steady, month-on-month movement in these leading indicators has good reason for confidence even before rankings for the most competitive terms have fully matured, whereas a practice with no visibility into any of this is essentially being asked to trust the process on faith alone.
What happens if you pause SEO partway through
Pausing content and technical work partway through a campaign does not immediately undo progress already made, but it does stop further gains and can allow competitors who are still actively investing to close the gap or overtake positions you had started to build. If budget constraints force a pause, it is worth at least maintaining Google Business Profile activity and review requests, since these require comparatively little ongoing spend but continue compounding, whereas a fully dormant campaign tends to plateau and can slowly lose ground over six months or more.