Enterprise Technical SEO & GEO agency · Austin, Texas (+ Wrocław, Poland)
Technical SEO specialists helping enterprise brands improve visibility across Google, ChatGPT, Perplexity, and AI-powered search through deep technical optimization and Generative Engine Optimization.
Founded by Bartosz Góralewicz, previously head of the SEO division at Elephate (winner of "Best Small SEO Agency" in Europe), after he and part of that team spun out to build an agency focused entirely on technical SEO. As AI-powered search emerged, Onely expanded into Generative Engine Optimization as a natural extension of that technical foundation, rather than as a separate pivot.
Best for: Enterprise organizations with technically complex websites needing deep technical SEO alongside AI-search visibility.
Onely is one of the most independently verified agencies in this entire set — 19 Clutch reviews at a perfect 5.0, a track record that predates AI search by half a decade, and a founder, Bartosz Góralewicz, whose JavaScript SEO research is credited with influencing how Google itself handles JS-rendered sites. Its GEO work is framed as an extension of technical SEO rather than a bolt-on: fix crawlability, structured data, and rendering first, then layer AI-specific visibility work on top. Named clients include eBay, IKEA, G2, and Realtor.com, and case studies come with real numbers — a 129% organic traffic increase for Europejski Fundusz Leasingowy, 40% YoY revenue growth for an ecommerce client. The one genuine catch isn't about evidence — it's about fit: this is an enterprise-priced agency ($10,000+/mo minimum, $200–300/hr) built for technically complex sites, not a fit for smaller businesses or anyone wanting broad-based marketing execution rather than deep technical work.
Good fit if
Less so if
Source: agency's own published service pages.
Sources: Clutch, agency's own published case studies and client list.
One of the most substantial research bodies in this set, predating AI search by years: published experiments on JavaScript rendering, Googlebot behavior, crawl budget, indexation, Core Web Vitals, and log-file analysis. Onely states its research has influenced how Google itself handles JavaScript websites — a claim that, if even partly true, is one of the more notable in the entire directory.
Source: agency's own published research and industry recognition.
Common themes: exceptional technical SEO expertise, detailed audits, JavaScript expertise, responsive communication, and measurable business outcomes.
Internally, we say that the top tier of SEO companies we've worked with play checkers. Onely plays chess.
— Brian Toolan, Co-Founder & CEO, TPC Interactive
No G2 company profile or rating found — searched directly, came up empty.
Website & contact checked
Reviewed Jul 2026
GEO / AI Search Optimization confirmed
Built on established technical SEO workflow
Enterprise client portfolio & case studies reviewed
eBay, IKEA, G2, Realtor.com, and more
Third-party reviews confirmed
19 Clutch reviews at 5.0; G2 searched, none found
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