Definition
SEO services are the work a provider carries out to improve how a website performs in organic search. They usually group into technical, on-page, content, off-site and local, sold as a retainer, a project or a subscription. Google documents the kinds of work an SEO can legitimately provide.
Why it matters
"SEO services" is sold as one thing and is really five, with different costs, different timelines and different people doing them. A proposal that does not separate them is difficult to evaluate and easy to overpay for, because the line item that is cheap to deliver sits beside the one that is expensive, under a single number.
Knowing the categories lets you ask the only question that matters when comparing quotes: which of these am I actually buying, and in what proportion.
How it works
Technical SEO
Making the site reachable, renderable and indexable. Crawling and indexing, site structure, page speed, redirects, status codes, structured data and how JavaScript is handled. Google lists technical development guidance, including hosting, redirects and JavaScript, among the services an SEO can provide. This work is usually front-loaded: a large diagnostic effort, then maintenance.
On-page SEO
The individual page. Titles, headings, internal links, the match between a page and the search it targets. It is the cheapest category to execute and often the one with the fastest measurable effect, because it changes pages the site already has.
Content
Deciding what to publish and publishing it. Keyword research, mapping terms to pages, and production. This is the category that scales cost with volume, and the one most often sold by the unit when it should be sold by the outcome.
Off-site
Earning references from other sites. Google documents link analysis systems and PageRank among its ranking systems, so links still matter. The constraint is that buying them is a violation of Google's link spam policies, so the deliverable is outreach and earned coverage rather than placements.
Local
For businesses with a service area or a physical location. The Google Business Profile, consistent name, address and phone details across directories, and location pages. Separate from the rest because the ranking surface is different.
Worked example
A readable scope separates the categories and states what each delivers. A technical line item that says "technical SEO" is not scoped. One that reads like this is:
Technical Crawl and index diagnosis, fix list by impact,
implementation of fixes in code, re-crawl to confirm.
On-page Title and meta rewrite across 40 priority pages,
internal links added from cluster pages.
Content 4 articles a month against agreed target terms,
each mapped to a page in the existing structure.
Off-site Outreach to named publications, reporting on
placements earned rather than links bought.
Reporting Search Console and analytics, monthly, against
the target terms agreed at the start.
The difference is auditability. You can tell at the end of a month whether each of those happened.
Common mistakes
- Buying content volume as a proxy for SEO.Publishing more is not a strategy if the pages do not target searches with demand, or if the site cannot be crawled properly.
- Paying for links as a line item.Link schemes are named in Google's spam policies, and the consequence lands on the buyer's domain.
- Accepting reporting that is not tied to Search Console.Numbers that cannot be traced to a Google property are a vendor's own account of its work.
- Scoping technical SEO as ongoing at full cost.Most of it is diagnosis and a fix list. After implementation it becomes maintenance, and the price should reflect that.
- Treating local as included.It is a separate surface with separate work. If you need it, it should appear as its own line.
How providers price it
Three models are common. Retainers charge a monthly fee for an agreed scope, which suits ongoing content and maintenance. Project pricing suits bounded work such as a migration or an audit. Subscriptions charge for capacity, usually hours, which trades predictability of scope for flexibility in what gets done.
None is inherently better. What matters is whether the model matches the work: a migration priced as an open-ended retainer, or ongoing content priced as a one-off project, will disappoint for structural reasons rather than for lack of effort.
This is one part of how we work on search. See our SEO services.
Related terms
Sources
Reviewed by Ahmed Qureshi, Founder, SilverCrest USA, on October 28, 2026. Back to the glossary