14 agencies offer SEO services in London, ON. This directory ranks them based on their own website's SEO quality, including technical, on-page, content, and local visibility. Momentum360 leads with a score of 92, while the average score is 80. Use this list to find the right SEO partner for your needs.
No paid placement14 agencies measured the same wayAverage 80/100
Across the 14 agencies rated here the median score is 82/100, and the spread runs from 63 up to 92. That gap is the useful part: it is the difference between a shop that practises what it sells and one that has not touched its own site in years. The services this market leans on most: Web Design, Search Engine Optimization, SEO, Google Ads, Social Media Marketing, Digital Marketing. The industries they most often name as clients are Retail, Education, Medical, Real Estate, Professional Services.
Use the score to cut the list, then use the profile to make the call. Three checks that catch most bad fits:
The most common minimum engagement in this market is $5,000+. Where an agency states its rates publicly we mark the figure Published; where it does not, the band is our estimate for a firm of that size in this city and is labelled Estimated. Either way it is a starting point for the conversation, not a quote, and any agency worth hiring will scope before pricing.
The city pages people search for most, ranked the same way as this one.
Which of these agencies fit a specific trade, with search volumes for that trade in London.
When choosing an SEO company in London, consider the typical minimum project cost of $5,000. Check each agency's local visibility and ask about their specific services. For search marketing agency London options, this list provides a comprehensive view. Explore the offerings and make an informed decision.
In London, ON, SEO agencies typically charge a minimum of $5,000 for projects. Costs can vary based on the complexity and scope of the services required.
Momentum360 is currently the top-rated SEO agency in London, ON, with a score of 92. They lead in technical and on-page SEO quality.
Local SEO in London involves optimizing your business to appear in local search results. Agencies here focus on improving local visibility through strategies like Google My Business optimization.
When selecting an SEO company in London, consider their past performance, typical project minimums of $5,000, and local SEO expertise. Review their rankings and client feedback.
SEO services in London include technical SEO, on-page optimization, content creation, and local SEO strategies. Agencies like GIANT Creative Inc. and Webanddigitalsolutions provide comprehensive services.
By the SEO quality of their own websites, measured automatically and identically for all 14 of them. The score blends technical setup (30%), on-page basics (28%), content depth (22%) and whether the agency actually ranks for local searches in London (20%). Nobody pays for placement and nobody submits their own numbers.
It is evidence, not proof. An agency that cannot get structured data, meta descriptions or headings right on its own site is showing you how it works. But a great score with no case studies means little, so read the reviews, the case studies and the local visibility number together before you shortlist anyone.
The most common minimum engagement across these 14 agencies is $5,000+, with hourly rates typically falling between $100 and $200. Figures we could confirm on a public page are marked Published; the rest are labelled Estimated, so treat them as a starting range rather than a quote.
Local visibility counts how often an agency appears in the search results their own prospects would use in London, such as "seo agency London". Of the 14 rated here, 6 show up in at least three of those eight searches. A low number usually means the agency wins work by referral or ads rather than by ranking.
Sites are re-measured as the crawler comes back around to each city, so a redesign or a technical fix shows up in the score. Agencies that claim their profile can also submit corrections, which our team reviews before anything goes live.
Listing is automatic: the crawler finds agencies from public search results, so there is nothing to buy. To manage a listing, open your profile and claim it with an email on your own domain. That unlocks a dashboard with profile analytics, quote requests, editable details and an updates feed.
SellSEO
