How to choose
an SEO agency.
With a clear brief.

BUYER CHECK / 01

Start with the purchase, not the package name

An agency shortlist becomes useful when every candidate is answering the same question. Write down the website, the audience and the business decision the engagement should support. A retailer with duplicate product pages, a local service business with location inconsistencies and a software company entering a new market may all request SEO while needing very different work.

Choose the first commitment before asking for a monthly price. An audit buys investigation and recommendations. A defined project buys specified changes or deliverables. A retainer buys recurring capacity and an agreed operating process. None of those labels establishes who will edit the website, approve content or make a release. Put the included outputs and exclusions beside the engagement name.

Describe your own constraints with the same care. Record engineering availability, editorial review capacity, access restrictions and any planned redesign. If your developers cannot implement recommendations during the proposed period, the agency should explain what can still be delivered and what must wait. A roadmap dependent on unavailable people is a dependency to resolve, not scheduled implementation.

Use the same brief version for each proposal. Ask candidates to identify missing inputs and assumptions before presenting a plan. A useful response should distinguish what can be observed now from what requires investigation. Record who can answer each unresolved question and how an answer might change the scope, price or first milestone.

Decide whether a full agency is necessary. A consultant may suit a defined diagnostic question when your internal team can implement. An in-house hire may provide continuing ownership but still need specialist support. Compare these arrangements against the actual work and receiving capacity, rather than selecting the largest service menu.

BUYER CHECK / 02

Inspect the proposed people and relevant evidence

Meet the delivery owner and the specialists whose work the proposal depends on. Ask who handles technical diagnosis, content review, measurement and implementation coordination. One person may cover several roles, but the assignment and availability should be explicit. Confirm subcontractors, substitution arrangements and who accepts work when the normal contact is unavailable.

Review cases for relevance to the problem you are buying help with. Ask about the starting condition, the agency’s contribution, the period observed and important changes outside its control. A chart without those boundaries leaves too much interpretation to the buyer. A different industry can still contain relevant implementation evidence; a familiar logo does not establish the proposed team’s contribution.

Where a reference is available, ask about working behavior as well as reported outcomes. Did recommendations reach the right implementer? Were blocked dependencies reported early? Could the client obtain its records and explain the remaining work at handover? These questions help assess a delivery relationship without pretending a former client can predict your future search performance.

Treat a ranking guarantee as a reason to inspect the promise closely. Google’s hiring guidance states:

Ask what the agency can commit to directly: an investigation boundary, a named deliverable, a review process and a completion check. A delivery commitment can be meaningful without claiming control over a search result. Keep the proposed dates and dependencies visible so the buyer can distinguish a missed handover from an uncertain external outcome.

Examine the response to a difficult question during selection. If an interface, data source or approval remains unknown, the useful answer names the uncertainty and the next check. Confidently filling every gap can make a proposal look complete while leaving the actual delivery problem untouched.

BUYER CHECK / 03

Connect technical findings to released changes

Ask for the coverage inventory behind a technical SEO audit. It should name the website areas, page types, environments and collection conditions examined. Keep excluded or inaccessible URLs visible. A sample of one template can support a bounded finding, but it should not silently stand for every product, language or location on a large website.

For a reported issue, request a representative URL, the observed condition, an explanation of the concern and the proposed correction. The record should identify the implementer and the check that will establish whether the intended change was released. A priority label without a dependency or a receiving owner is difficult to turn into scheduled work.

Consider a fictional migration proposal. The agency identifies an old URL that should redirect to a relevant destination. Your developer owns the redirect configuration, the product owner approves the destination and the agency checks the released behavior. Before acceptance, the buyer needs the agreed mapping version and an observation from the live destination. A slide saying redirects reviewed does not provide that chain.

Extend the same distinction to rendering, canonical signals, internal links and indexability recommendations. A delivered recommendation, an approved change, a deployment and a later search observation are separate records. Ask the agency which one its completion status represents. Keep an unknown outcome open until the agreed evidence exists.

For a migration, establish who can pause the release, restore a prior configuration and investigate missing history. For a continuing technical program, agree how new templates or excluded areas enter the work queue. The purpose is a maintainable implementation process, not a one-time issue count that loses its meaning as the website changes.

BUYER CHECK / 04

Buy a page plan your editors can maintain

Keyword research should lead to a usable page map. Ask how the agency groups queries by the reader’s task and assigns each family to an existing, revised or proposed page. More phrases do not automatically justify more pages. Have the team explain overlap, competing URLs and the reason a new page would add something your existing content cannot provide.

For each commissioned page, define its job and the evidence needed to write it accurately. A brief should identify the intended reader, the question answered, the required product facts and the person who can review those facts. A search-intent label does not replace access to someone who understands your product or service.

Make production boundaries explicit. Ask whether the fee includes research, drafting, expert interviews, revisions, publishing and later maintenance. Name the editor who can approve claims and the implementer who controls the CMS. If the agency uses AI-assisted drafting, request a factual review process and source traceability rather than treating the writing method itself as an accuracy guarantee.

Define acceptance around the actual page. Check that the approved facts survived editing, the intended links work and the page appears in the agreed location. Keep the published URL and revision record with the brief. Word count can be a production constraint, but it cannot establish that a page answers a buying question or represents your business correctly.

Plan for change after publication. Prices, products and policies can become outdated while a monthly report continues to count the page as delivered. Agree which events trigger a refresh and who supplies the updated facts. Keep the working files and research in a format your receiving team can use if the agency relationship changes.

BUYER CHECK / 05

Require a clear explanation of off-site methods

Ask the agency to describe what it intends to do away from your website. Digital PR, editorial outreach, paid placements and other distribution arrangements have different commercial and operating boundaries. A single link-building line in a proposal leaves the buyer unable to review the method, the publisher relationship or the commitments that continue after delivery.

Request the destination, proposed anchor, publication context, payment relationship and placement duration where those details apply. Ask which elements the agency controls and which require an independent publisher’s decision. An outreach attempt and a live placement are different deliverables. The reporting should say which was purchased and what evidence establishes completion.

Review any automated, tiered or network-based activity as its own workstream. Ask where it points, what the buyer is authorizing and how the agency explains the method against the search policies relevant to the campaign. A method’s presence in a service catalog does not make it appropriate for every buyer. Preserve the decision and its stated limits.

Separate acquired visits from organic discovery reporting. If the proposal includes promotional traffic or other distribution, agree how those activities are labeled and excluded from unrelated outcome claims. More pageviews do not by themselves establish more qualified demand, and an activity report should not invite the buyer to infer that connection.

Establish what happens when a placement changes or disappears. Confirm the paid period, monitoring scope, replacement terms and any continuing charges. Keep the live evidence and correspondence you are entitled to receive. If the agency cannot explain a material method before authorization, leave that requirement open rather than treating secrecy as a necessary feature of SEO.

BUYER CHECK / 06

Agree what a report can actually establish

Define the measurement brief before the agency reports improvement. Name the data source, comparison periods, market, device scope and page or query group. State which conversion represents a useful business event and who checks its quality. A submitted form, a qualified enquiry and a closed sale answer different questions and may be owned by different teams.

Keep branded and non-branded discovery separate when the underlying data supports that distinction. Record the filter and its limitations instead of implying complete query-level visibility. A brand campaign, tracking change or new site section can alter aggregate results. Have the report name those changes and explain what remains comparable.

Ask for a change record alongside the performance report. It should connect the original finding to approved work, the release date and the later observation. This does not establish causation by itself. It gives the buyer enough context to ask a more precise question than whether traffic increased while an invoice was being paid.

Require blocked and incomplete work to remain visible. The next report should state what is waiting, who can unblock it and which decision is affected. An issue should not become complete merely because it appeared in a previous presentation. Preserve an unresolved result when collection failed or the agreed observation has not yet been made.

Inspect a sample report during selection. Ask the proposed delivery owner to explain one recommendation and one uncertain result without relying on a dashboard score. Confirm that you can receive definitions and usable exports. A report is useful when another responsible person can understand its basis and act on it, including after the agency’s access ends.

BUYER CHECK / 07

Give AI-search work its own observation method

If GEO, AEO or AI-search visibility is part of the proposal, define the purchase separately. A discovery pilot can investigate how a selected query set behaves and recommend changes. Repeated monitoring collects observations over time. Content or technical implementation is another activity. A shared AI-search label does not establish that all of them are included.

Ask for the query panel, platforms, language, market and observation dates. Record the wording and version of the prompts or searches used. A changed panel can change the reported rate without any change to your website. The agency should explain whether it is comparing a stable set or intentionally testing a new one.

Distinguish a brand mention, a citation link, a recommendation and a measured referral. They are different observations. A screenshot can establish what was visible during a particular check, while referral reporting requires its own source and interpretation. Do not combine them into a single success label without an explicit definition.

Keep collection failures separate from valid observations with no citation. Ask how unavailable answers, missing evidence and parsing errors appear in the report. A denominator should describe the population actually checked, with the excluded attempts still visible. Hiding failed collection can make an apparent improvement difficult to interpret.

Before a continuing engagement, inspect one observation record and its retained evidence. Ask what action follows from the finding and what the proposed implementation can reasonably change. The method should preserve uncertainty about future answers instead of promising a permanent position across changing systems. Select the work because its investigation and delivery boundaries are useful to your business.

BUYER CHECK / 08

Normalize the cost of the same executable plan

Compare quotes over the same period and delivery boundary. Separate diagnostic work from implementation, content production and recurring reporting. Add the website development, software, distribution or other external charges that the quoted fee excludes. Include the time your own reviewers and implementers need to supply.

Consider a hypothetical six-month engagement. Assume USD 2,000 for diagnosis, USD 2,500 per month for the program, USD 3,000 for buyer-side implementation and USD 1,200 for software over the period. The total is USD 21,200 before tax and any excluded placements or production. These are invented arithmetic inputs, not a market price range or an agency quote.

Use the example to question the quote, not to select a budget. Ask which quantities or assumptions change the price, whether unused capacity carries forward and who approves extra work. A cheaper monthly fee can buy a different mix of investigation and execution. Resolve that difference before treating the offers as financially comparable.

Read the proposed term with the operating plan beside it. Clarify notice, renewal, paused work and the handling of unfinished deliverables. Ask what records and assistance are included at exit and which third-party services create continuing charges. Have the appropriate commercial reviewer assess the actual agreement; this guide does not determine contractual rights.

Tie the first payment decision to a defined commitment. State the evidence you expect to receive, the buyer inputs needed and the condition for reviewing the next scope. This creates an inspectable purchasing checkpoint without inventing a search-performance threshold that the agency cannot directly control.

BUYER CHECK / 09

Choose with evidence you can carry into delivery

Complete one evidence worksheet for each proposal. Decide which requirements are mandatory for the next commitment, then ask a named reviewer to inspect the relevant artifacts. Verified means the evidence satisfies that requirement within its stated boundary. Open means the answer or evidence is still missing. Conflict means the observed evidence disagrees with the requirement.

Keep those states separate. One attractive case or low price should not erase an unresolved mandatory dependency. The linked worksheet holds the decision when required evidence remains open and identifies a conflict when a mandatory requirement disagrees with the evidence. All selected gates verified completes only those gates; it does not certify an agency or authorize a release.

Before onboarding, keep account ownership and the access plan explicit. Identify the client-owned website, analytics and search accounts, then agree the permissions required for each role. Diagnosis and implementation may require different access. Avoid making shared personal credentials the default operating arrangement, and record who can remove delegated access when it is no longer needed.

Plan a receiving-team handover while the engagement is still being defined. Ask how someone outside the agency would locate the current page map, interpret a report and continue an unresolved change. Include working files, evidence references, pending tasks and ongoing external commitments in the transfer. A folder of presentations is not enough if the operating meaning remains with one departing contact.

At renewal, review completed work, unresolved dependencies and the next useful commitment. Keep delivered activity separate from observed business effects and explain what has changed in the plan. Choose the agency whose proposed scope and evidence fit that next decision, with a record your own team can understand and maintain.