Glassdoor dominates employer rating platforms with the most comprehensive database of company reviews, salary reports, interview experiences, and CEO approval ratings. Founded in 2007, it operates in Canada and globally, letting employees rate companies on culture, compensation, work-life balance, and management. Companies can claim their profiles but cannot delete legitimate reviews, making it harder to game than some alternatives. Indeed added employer reviews in 2016 and leverages its massive job-seeker traffic to build review volume quickly. The ratings appear directly in job listings, making them visible at the exact moment candidates evaluate opportunities. Comparably focuses more on workplace culture metrics and provides detailed demographic breakdowns of who rated what. Kununu has stronger presence in European markets but covers Canadian companies too. LinkedIn doesn't have a formal star-rating system but surfaces employee sentiment through posts, tenure data, and growth metrics on company pages. For tech companies, Levels.fyi shows compensation data that indirectly signals employer competitiveness. Fairygodboss and InHerSight target women specifically, rating employers on parental leave, flexibility, and gender equity. From a web design and recruitment perspective, these platforms matter because candidates Google your company name before applying. If your Glassdoor rating is below 3.2 stars or you have under 20 reviews, it raises red flags. At Ottawa SEO Inc., we've seen clients lose qualified applicants who never mention the poor reviews but clearly researched them. You can't fake good ratings, but you can encourage satisfied employees to post balanced reviews. Some companies add a Glassdoor reminder to offboarding emails or quarterly check-ins. Responding professionally to negative reviews shows you take feedback seriously. If you're building a careers page, pulling in verified ratings from these platforms adds social proof, though you'll need proper attribution and API access for automation. The platforms themselves monetize through employer branding tools and promoted job listings, so free features are deliberately limited.