The best AEO agency for startups

TripleDart's Signeasy case study reports the e-signature company's monthly sessions from AI platforms such as ChatGPT and Perplexity at 15 to 20 before the agency's work and 700 to 750 after. That named count, beside page changes the agency made itself, is why we crown TripleDart for a startup that wants AEO delivered alongside organic growth. The case study says TripleDart reformatted Signeasy's top-traffic pages into question-and-answer pairs and implemented schema markup.

RevenueZen is the better pick for a startup buying monthly agency-written content with AI brand monitoring through its Foundation plan. Lean Labs suits a startup whose content and CRM already run on HubSpot, where its AEO service builds a structured answer hub, schema and review collection in that system.

What should a startup weigh in an AEO agency?

Stackmatix, a marketing agency, advises startups choosing a marketing agency to compare proposals on a consistent scope, and it warns about long lock-ins. The three agencies here publish entry figures for different scopes: a monthly content plan, a combined organic-growth program and a free diagnostic. A monthly fee gives the rate, and the initial term, notice clause and refund rule decide what stopping costs, so ask for all of them in writing before comparing amounts.

The same Stackmatix guide asks who will do the work and proposes mapping strategy, execution, reporting and a named owner. Put those questions to the proposal you receive: ask which page, CMS or markup work the scope contains, who executes each item, and what access, interviews and approvals the agency needs from you.

Google's documentation on AI features in Search says traffic from AI Overviews and AI Mode is included in Search Console's overall Web search reporting, and it points site owners to other analytics tools for conversions. Ask what an agency's named result measures, what the baseline was and how the AI referrals were identified. That documentation covers Google Search only, so put the same questions to figures from ChatGPT or Perplexity.

TripleDart describes its best-fit company one way on its startups page and another way on its GEO services page. Stackmatix lists proof of work with seed or Series A startups among its selection criteria, and that is the reference to request from each agency. Read the fit statement on the page for the service you are buying, then ask whether your stage and CMS fall inside it.

The same Google documentation says a page needs ordinary eligibility for Search, and no special schema.org structured data, to appear in AI Overviews or AI Mode. A schema line in a proposal is therefore a deliverable to count, and it is separate from evidence of citations. Ask what ships on your site in the entry scope, in units: pages written, pages restructured, markup types and engines tracked.

TripleDart, RevenueZen and Lean Labs compared

TripleDart for agency-executed AEO with organic growth

TripleDart's AEO services page lays the work out by week: an answer-box audit in week one, page restructuring in weeks one and two, schema in weeks two to four and citation tracking in weeks four to eight. The restructuring covers direct-answer formatting with Q&A and FAQ blocks, and the schema stage covers FAQ and HowTo schema plus entity and article markup. The page says senior operators set the strategy and the agency's Slate platform restructures pages, adds schema and tracks visibility.

Citation tracking on that page means citation share: the percentage of tracked buyer questions where an engine cites you, computed weekly for each platform. Its FAQ names ChatGPT, Perplexity, Gemini, Google AI Overviews and AI Mode, Microsoft Copilot and Claude as the platforms covered.

TripleDart's organic-growth page lists a plan starting at $5,000 a month, billed monthly, that covers search, AI visibility, content and authority in one program. Its capability list includes GEO and AEO strategy, AI search analytics and citation monitoring, technical SEO and direct CMS publishing, so the figure buys AI-search work together with SEO. The GEO services page says the exact figure is confirmed after an audit, and the AEO page describes its own entry audit as free. The refund policy makes professional-services purchases final, so get the initial term and notice period written into the quote.

Signeasy serves more than 48,000 businesses, according to the case study, which has TripleDart optimizing the top-traffic pages by hand and adding first-fold summaries and FAQ sections. The same engagement included forum engagement, citation building and backlink outreach off the site. The results table counts sessions from LLM platforms, which is a traffic measure, so ask TripleDart how those sessions were identified and what they converted to.

TripleDart files its Meegle case study under startups. Meegle is a workflow-management software platform, and the engagement combined traditional SEO, AI SEO and content marketing, with AI citations measured across Google Overviews and ChatGPT. The startups page, which covers TripleDart's marketing work for startups as a whole, lists a best fit of early product-market fit, a first 10 paying customers or $100,000 in ARR, and a Seed or Series A round with at least $500,000 in funding. It also says the agency works only with B2B technology companies, so a consumer startup sits outside that stated focus.

RevenueZen for monthly content and AI brand monitoring

RevenueZen's pricing page starts at the Foundation plan, $3,000 a month, with four articles and three page refreshes each month. The plan also lists an ongoing content audit of top URLs, bi-monthly re-runs of the agency's core audits, AI brand monitoring with a monthly written report and a monthly strategy call. The same card marks link building, LinkedIn, content repurposing and original research as not included, and schema implementation appears in the next plan up, Growth, at $5,000 a month.

RevenueZen writes the content. Its pricing FAQ describes interviewing your subject-matter experts, drafting with a custom GPT trained on your materials, and review by its content manager and editor. It puts client time at six to eight hours over the first 30 days and about two to three hours a month after that.

The pricing FAQ says no long-term commitment is required and offers month-to-month pricing, with 6- and 12-month contracts available at discounted rates. RevenueZen's master service agreement lists termination upon written agreement of the parties and 60 days notice, and it makes funds deposited with the company non-refundable unless the company determines otherwise. Ask which notice period governs a month-to-month Foundation plan and have it written into the order.

RevenueZen's Expensify case study has a section on an ongoing AI search strategy. It says Expensify's presence in AI Overviews rose fourfold and its referral traffic from generative AI sources doubled, and that this traffic converts at up to 5% compared with 1% to 2% from regular search. The case study describes the agency implementing software application, article and FAQ schema across key pages and adding FAQ sections to blog and site content. It calls Expensify a leading expense management platform.

RevenueZen runs a dedicated startup page, headed as startup SEO services for early-stage ARR growth, that says it makes startups findable in Google and in AI tools. The Foundation card describes the plan as best for budget-conscious buyers who want the audit, refresh and monitoring program at the lowest monthly commitment. The pricing FAQ says RevenueZen's clients are B2B companies, primarily in technology.

Lean Labs for an answer hub built in HubSpot

Lean Labs' AEO service page describes work executed in HubSpot: the agency creates expert-led answers in HubSpot, configures the HubSpot site and deploys JSON-LD. The page presents HubSpot's content, website, campaigns, analytics and CRM tools as the operating system for the program.

The Answer Hub on that page is a set of structured Q&A pages built on HubSpot so the client can update them. The schema section lists Organization, FAQ and credential types, and the review section describes an automated pipeline for collecting reviews. For a startup that already publishes and tracks contacts in HubSpot, those pieces arrive in the system its team already uses.

The page's measurement model tracks visibility as brand mentions, citations, prompt coverage, share of voice and sentiment, and it tracks demand separately as AI referral traffic, engaged visits, assisted conversions, contacts, deals and pipeline. Those are reporting categories, so ask which of them your quoted scope includes and what baseline it starts from.

Lean Labs offers a free AEO Baseline Score with no card or commitment: a scan of four LLMs, a citation-gap report, a competitor snapshot and a personalized AEO Blueprint. The Baseline Score is a diagnostic and the implementation is a paid engagement, so ask for its scope, price and term in writing, as you would from the other two agencies.

The AEO page addresses B2B startups and scaleups and says the service is offered across the United States and Canada, and the company homepage describes Lean Labs as built for funded startups and scaleups from Seed to Series C. The documented implementation is on HubSpot, so a startup on another CMS should ask how the scope carries over before requesting a quote.

Which AEO agency should a startup hire?

We crown TripleDart for a startup commissioning agency-executed AEO alongside organic growth. Two factors carry the decision: its AEO page assigns the page restructuring, schema and citation tracking to the agency, and the Signeasy case attaches a named before-and-after count of AI-platform sessions to that kind of work. The Meegle case adds a startup-tagged engagement that ran SEO and AI-search work together, which matches how the program is priced.

TripleDart's GEO services page says that work fits best at companies with an established SEO foundation and $5M+ ARR, a higher bar than its startups page sets, so a seed-stage or pre-revenue startup should confirm which criteria apply to its scope before the audit. Signeasy and Expensify are both established software companies in their agencies' own descriptions, so ask either agency for a reference near your stage. For a startup buying this scope, we weigh executed implementation and named AI-search evidence above the content volume of an entry plan.

Choose RevenueZen when the job is ongoing content. A startup that wants articles and page refreshes written for it every month, with AI brand monitoring reported monthly, gets each of those specified in the Foundation plan at its stated rate. It is the better pick than TripleDart when that specified monthly output of articles, refreshes and monitoring is the scope you are buying.

Lean Labs is the pick when your website, content and CRM already run on HubSpot and you want the answer hub, schema and review collection built by the agency inside that system. Its AEO page names the platform for each on-site deliverable, and its measurement model reports AI referral traffic alongside contacts, deals and pipeline.

Other AEO and AI-search agencies

Each of these agencies lists AEO, GEO or AI-search work on its homepage.