Before citing any figure from this page, check which kind of evidence it comes from. The benchmarks draw from three sources: publicly available industry research from organizations including BrightEdge, Demand Gen Report, and HubSpot's annual State of Marketing reports; observed ranges from SEO campaigns we have managed for professional services and consulting firms (no specific client count is implied); and widely cited SEO industry studies from Ahrefs, Semrush, and Search Engine Journal, where the methodology behind each study is documented and publicly accessible.
That evidence mix affects what a decision maker can conclude. A published cross-industry study helps establish broad context, while a campaign observation helps form an operating hypothesis. Neither describes the expected result for every consulting firm, and the observed ranges are stated as ranges rather than as precision percentages tied to a consulting-client sample size.
Firm characteristics change the meaning of the same reference value. The consulting industry spans an enormous range: a two-person boutique strategy firm and a 400-person operations consultancy face completely different competitive environments online, because service breadth, brand demand, geography, sales motion, content governance, and competitive search sets differ substantially.
- Identify the evidence class. Mark a value as published industry research, an observed engagement range, or an SEO industry study before anyone uses it in a decision.
- Define the metric. Sessions, qualified inquiries, rankings, engagement, and pipeline are separate measures. Do not combine them into a single performance claim.
- Record the observation period. Google's algorithm evolves. Statistics from 2020 or 2021 may not reflect current search behavior, particularly around AI-generated content signals and helpful content updates, so label older material by edition rather than treating it as current evidence.
- Check comparability. Compare specialty, market scope, starting visibility, implementation capacity, and attribution rules before treating another observation as relevant to your firm.
This edition reflects information available through early 2026, and the page is updated annually. If you cite a figure from this page, note the publication date alongside it. That keeps each benchmark tied to its period and turns the page into a decision aid instead of a collection of decontextualized claims.