New Jersey · Marketing agency
Maintained by Bartu Cavusoglu · Last updated August 13, 2026
SEO by Sonia is a one-person SEO consultancy run by Sonia Urquilla, a Montclair, New Jersey-based consultant who positions herself specifically for coaches, consultants, and other independent service providers rather than e-commerce brands or large companies. Her site frames the pitch around visibility across both traditional search and AI-driven discovery ("Google, Reddit & ChatGPT"), and offers done-for-you SEO, AI search optimization, local SEO, SEO copywriting, and website audits, alongside free lead magnets like strategy calls and a blog-writing challenge. The site cites specific quantified outcomes for past clients — a 180% jump in impressions, $32K in combined client revenue attributed to SEO, a 750% increase in new-user traffic, and a 394% increase in profile views in 90 days — attached to testimonials described only by role (a career coach, a resume writer, a business consultant), not by name or company, so none of these figures can be checked against a real business. Sonia does not publish pricing; prospects have to book a call to get a quote. As a solo operator serving a narrow niche, she reads as a real, active small business rather than a shell listing, but everything beyond her own site is currently unverified by Gappsy.
SEO by Sonia is a solo SEO consultancy for coaches and consultants, not a fit for teams that need published pricing or independently verifiable case studies — her cited results (up to 750% traffic gains) look promising but are tied only to unnamed testimonials, so treat them as unproven rather than confirmed.
Before booking a call, ask Sonia directly for the actual company or client names behind the 180%/750%/394% figures on her site — even if she can't share URLs for confidentiality, she should be able to describe the client's business type and timeframe in enough detail to sound credible. Ask for a sample of the SEO copywriting or blog content she's produced, since that's a work sample you can evaluate yourself regardless of ranking results. Because pricing isn't published, get a written scope and price for a defined engagement (e.g. a 90-day sprint) rather than an open-ended retainer, and clarify up front whether 'done-for-you SEO' includes technical SEO (site speed, schema, indexing) or is primarily content and local-listing work. Given this is a solo operation, also ask what happens to active work if she's unavailable for an extended period.
Compared to larger local-SEO agencies that publish tiered packages and link out to named client case studies on Clutch or Google, SEO by Sonia is closer to a boutique freelance consultant: one person, a narrow niche (coaches and consultants), and unpriced, call-first engagements. That cuts both ways. A prospective client gets a specialist who has clearly built her positioning around a specific buyer rather than generic 'we do SEO for everyone' copy, which can mean more relevant strategy advice than a generalist shop. But it also means no bench: if Sonia is unavailable, there's no team to pick up the work, and there's nothing on the site (no linked case studies, no named clients, no published rate card) that lets a buyer benchmark her against a competing solo consultant before the first call. A client choosing between SEO by Sonia and a small agency with 3-5 staff and published client logos is trading team redundancy and verifiable proof for a tighter niche focus and a more personal relationship.
SEO by Sonia reads as a real, narrowly-focused solo SEO consultancy for coaches and consultants rather than a shell listing — the niche positioning and specific (if unverified) result figures suggest genuine experience. But Gappsy can't currently verify the case-study numbers, pricing is entirely hidden until a sales call, and the 'recognition' cited is self-reported rather than independently checkable. Worth a conversation if you're in her specific niche and comfortable evaluating her on a call — not yet an agency Gappsy can call a proven, top-tier pick.
No. The site promotes free strategy calls, audits, and a blog-writing challenge as entry points, but no package prices or rate ranges are shown; you'd need to book a call to get a quote.
Founder Sonia Urquilla, a Montclair, New Jersey-based consultant, appears to be the sole person behind the business — there's no mention of additional strategists, writers, or account staff.
Not currently. Figures like a 750% traffic increase or $32K in combined client revenue are attached to testimonials identified only by role (e.g. 'a resume writer'), not by name or company, so there's no way to check them against a real client.
Her positioning is narrow: solo coaches, consultants, and service providers who want SEO plus AI-search visibility, not e-commerce brands or larger companies with in-house marketing teams.
Yes — 'AI search optimization' for visibility in tools like ChatGPT and Perplexity is listed alongside traditional local SEO and content writing as one of her core services.
She cites an 'SEO Expert 2.0' seal, an 'Influential Women' badge, and features in Medium and New Jersey Voyager Magazine, but none are linked or clearly issued by a vetted third party, so treat them as self-reported.