AEO services: what an answer engine optimization agency should actually deliver

Use this as a checklist when reading a proposal.

Because AI answers vary from run to run, any claim of improvement is meaningless without a baseline gathered the same way. Ask the agency to share the prompt list, the engines, the number of runs per prompt, and the conditions, such as logged-out sessions and location, before work begins. Agree that the same method will be used for every report. If an agency cannot describe its method in a paragraph, its reports will not be trustworthy.

AEO is usually sold as a monthly retainer, a fixed-price audit and roadmap, or a project for a set number of pages. Retainers suit companies that need ongoing off-site work; audits suit teams that will execute in-house. Whatever the model, tie the price to named outputs and to the reporting method. Prices vary widely by market and scope, so compare proposals on deliverables rather than headline cost.

Be cautious if a proposal promises a specific position or recommendation inside ChatGPT, Perplexity, or Google AI Overviews, since no one controls those answers. Other warning signs: a 'proprietary AI ranking signal', reports built from single screenshots, schema markup sold as the main lever, no technical audit, or a scope that is identical to the agency's standard SEO retainer with the word AEO added. Also check who owns the prompt set and the data if you end the contract.

Many SaaS teams split the work: an agency handles off-site mentions and digital PR, while the in-house team or software handles technical fixes and page production. SerionFlow covers one slice of that split, producing new answer-first pages on your domain behind quality gates. It is the wrong choice if you want someone to run outreach or manage the whole programme for you; for that, an agency is the better fit.