SEO returns depend on three variables: your market's competitiveness, your current baseline, and execution quality. A local service business in Ottawa targeting 20–30 keywords can often see 300–600% traffic increases in 6–12 months, translating to 15–40 qualified leads monthly once rankings hit page one. E-commerce sites with larger inventories see compounding returns because each optimized category and product page adds incremental traffic. The financial impact is clearest when you compare cost per acquisition. If you're paying $8–$25 per click in Google Ads for commercial keywords, ranking organically for those same terms eliminates that ongoing cost. A site pulling 2,000 organic visits monthly from keywords that would cost $12,000 in PPC essentially generates that value every month after the upfront SEO investment. ROI timelines stretch longer in competitive verticals like legal, finance, or SaaS where it takes 18–24 months to crack page one, but the payoff scales because those clicks are worth $40–$200 each in ad equivalents. At Ottawa SEO Inc., we track client revenue attribution and typically see break-even at month 8–14 for local and regional campaigns, faster for low-competition niches, slower for national plays. The biggest variable isn't the SEO work itself but whether the business can convert the traffic. A site with 2% conversion rate gets four times the lead volume of a 0.5% converter given identical rankings. SEO also builds compounding equity. Unlike paid ads that stop the moment you pause spend, rankings persist and often strengthen over time if you maintain content freshness and authority. A well-ranked page can generate leads for 2–5 years from a single optimization cycle. The catch: SEO requires patience and consistent investment for 6–12 months before meaningful returns appear, so businesses needing immediate leads should run paid channels in parallel during the ramp-up period.