Check what the data can and cannot show before using any benchmark. These benchmarks are compiled by AuthoritySpecialist from observed ranges in engineering and professional-services campaigns it has managed, supplemented by public industry data including Google Search Console aggregates, SEMrush reports, and BrightEdge B2B research. Campaign observations are distinguished from broader industry estimates throughout, so match each figure to the question you are asking.
Engineering search also spans materially different disciplines, including civil, structural, mechanical, environmental, geotechnical, MEP, and related practices. Project-bid firms, technical consultants, and retainer-based service businesses can have very different query mixes, buying processes, office footprints, and attribution patterns. A benchmark only becomes decision-useful when the edition, sample, period, metric definition, and market context match the question being asked.
Planning rule: treat all ranges as planning observations, not performance guarantees. Compare them against the firm's own Search Console, analytics, CRM, proposal, and intake data before using them in forecasts or board-level targets.
Ranges reflect a realistic spread rather than a single midpoint. For an engineering leadership team, the safest use is comparative: identify whether your own search visibility, qualified inquiry rate, or time-to-impact is materially outside the observed pattern, then investigate why. That keeps the benchmark in its proper role: a reference point for diagnosis, not proof of causality.