GEO Services Pricing in 2026: 3 Models Compared, from Retainer to Outcome-Based
Retainer, project and outcome-based pricing each suit a different GEO engagement. Here is how the three models work, what they cost to run, and when each one fits.
AEO vs GEO: The 2026 Distinction, the Convergence, and Why Agencies Still Mis-Sell It
Answer engine optimisation and generative engine optimisation began as different disciplines and have converged. Here is the real distinction in 2026 and how to spot a mis-sell.
Perplexity vs ChatGPT: Why They Cite Different Sources, and 2 Publishing Playbooks
Perplexity leans on primary and news sources; ChatGPT leans on Wikipedia and reference sites. Here is what the published data shows and two publishing playbooks that follow from it.
The AI Visibility Audit Methodology: A 10-Step Framework Any Agency Can Copy
A repeatable 10-step method for auditing how visible a site is across ChatGPT, Perplexity and Gemini, with a query template, a scoring rubric and a worked scorecard.
The AI SEO Consultant Case-File Template: 6 Proof Points Every Credible Report Must Show
Most AI SEO case studies prove nothing. This template sets out the six proof points a credible case file must contain, from baseline data to an attribution method.
How to Rank in ChatGPT: A 2026 Guide
Ranking in ChatGPT means being cited inside its answers, not holding a link. Here are the seven proven GEO tactics that lift AI citations, with the research.
Optimising for ChatGPT Search: 12 Evidence-Based Tactics Ranked by Citation Lift
Most ChatGPT SEO advice treats every tactic as equal. This playbook ranks 12 tactics by the effect size each one showed in a published study or controlled test.
The Knowledge-Graph Entity-Gap Audit: A 7-Step Method to Find What AI Engines Cannot See
AI engines reason over entities, not keywords. This 7-step audit compares your content to a Wikidata or Google Knowledge Graph snapshot to find the entities you are missing.
Generative SEO Test Design: A 6-Step Framework to A/B Test AI Citations Without False Positives
AI citation rates swing day to day, so naive before-and-after tests mislead. Here is a 6-step statistical framework for sample size, control groups and significance.
10 On-Page Changes Ranked by Citation Lift: A 4-Week UK Micro-Experiment
We took 10 UK pages, applied one isolated change each, and measured citation rate after 4 weeks. Direct-answer block lifted +19pp; meta-description rewrites produced 0pp. Full ranked list with implementation time.