One of the most difficult aspects of hiring an SEO agency is evaluating whether the work is actually good — especially in the first few months when results haven't materialized yet. SEO has a convenient cover: "it takes time." And that's true. But it's also the most common excuse for underperformance.

Here's how to evaluate your SEO partner's work in real time — not just when results appear or don't at month 9.

How Can You Tell If Your SEO Company Is Doing Good Work?

A high-performing SEO company produces documented, specific deliverables each month; communicates proactively about strategy and Google updates; shows measurable early signals (Search Console impressions, crawl improvements, long-tail rankings) in months 2–4; and provides transparent reports that connect activity to results — not just ranking position snapshots.

Evaluate the Deliverables, Not Just the Reports

The first thing to check: does your monthly report describe what was done, or only what was measured? A ranking report with no deliverable summary tells you nothing about whether work is being done. Good agencies report both: "This month we optimized 4 service pages, published 2 blog posts, earned 3 editorial backlinks, and resolved 12 crawl errors — here's how rankings and traffic moved as a result."

Track Early Signals in Google Search Console

You don't need to wait for traffic to evaluate progress. Search Console shows impressions (how often your pages appear in search results) and click-through rates — these move faster than traffic and rankings. A well-run campaign should show growing impressions for target keywords in months 2–4, even before significant click volume materializes.

Check Technical Progress Independently

If your agency is doing technical SEO, you can verify it yourself. In Google Search Console, check Page Experience > Core Web Vitals — are your CWV scores improving quarter over quarter? Under Coverage, are index errors decreasing? Under Enhancements, is structured data being implemented? A good technical SEO effort leaves a verifiable paper trail in your own Search Console data.

You can also use free tools like Google's PageSpeed Insights or GTmetrix to benchmark page speed before and after the agency claims technical work was done. If they reported "improved page speed" and your LCP is unchanged, that's a discrepancy worth raising.

You don't need to understand every aspect of SEO to evaluate whether your agency is doing good work. You need to understand what was promised, and whether evidence of that work exists.

Evaluate Content Quality, Not Just Volume

After Google's March 2024 core update, content quality is more scrutinized than ever. If your agency is producing content, read it critically: is it genuinely useful, specific, and informed by real expertise? Does it answer the target question better than what currently ranks? Does it demonstrate E-E-A-T signals — author credentials, sourced claims, original perspective?

Generic, obviously AI-generated content published at high volume is a liability in 2024, not an asset. An agency producing 8 thin articles per month is doing worse work than one producing 2 genuinely excellent ones.

Verify Link Building Claims

If link building is part of your scope, ask for a monthly links earned report with the specific URLs where links appear. Verify these in Ahrefs or SEMrush — look at the referring domain's own authority, relevance to your industry, and traffic. A link from a $15 guest post on a generic "business tips" blog is not equivalent to an editorial mention in a relevant industry publication.

Agencies that can't or won't show you the specific links they've built are hiding something. See our guide on questions to ask before hiring — the same scrutiny should apply to ongoing agency relationships.

Measure Business Outcomes, Not Just Metrics

Rankings and traffic are intermediate metrics. The ultimate measure of whether SEO is worth it for your business is whether it's generating leads and revenue. Connect organic traffic to conversions in Analytics. Track phone calls from Google Business Profile. Ask new clients where they found you. Over time, you should be able to draw a direct line from SEO investment to business outcomes.

What should I do if I suspect my agency isn't performing?

Start by requesting a detailed deliverable report for the last 3 months — not a ranking snapshot, but a list of completed work. If the list is thin or vague, raise it directly in a call. A good agency will welcome the conversation and provide specifics. If they get defensive or deflect, you have your answer. You can also get an independent audit from a third party — this is the cleanest way to assess the quality of work done so far.

How often should I review my SEO company's performance?

Monthly deliverable reviews plus a quarterly strategy review is a reasonable cadence. Monthly, you're checking: was the work done? Quarterly, you're asking: is the strategy working, and does it need to evolve? Annual reviews should cover: is the agency relationship still the right configuration for where the business is now?

What's the difference between an agency that's slow and one that's failing?

Slow: deliverables are being completed, Search Console impressions are growing, the strategy is documented and being executed — just no major ranking wins yet. SEO timelines vary by market and patience is required. Failing: deliverables aren't being completed, reports are vague, Search Console shows no improvement, and the agency can't explain a clear plan. These are fundamentally different situations.

Keep reading: How Long Does SEO Take to Show Results? — Do SEO Agencies Really Guarantee Results? — What Should an SEO Audit Include?