Third Coast AI vs First Page Sage: which buyer does each fit?

Last updated October 14, 2026. Written by the Third Coast AI team.

First Page Sage describes itself on its own site as an SEO and GEO agency with more than 17 years of experience, running multi-year thought-leadership content campaigns for enterprise clients from the San Francisco Bay Area, while Third Coast AI is an AEO and GEO consultancy in Holland, Michigan, that does only AI search visibility work and starts every engagement with a three-week audit rather than a long campaign. Both can be good choices, and the clearest difference is the shape of the engagement: a content campaign measured over years against a measurement-first project measured at the prompt level over months.

Everything below about First Page Sage comes from First Page Sage's homepage, GEO services page, process page and contact page, checked October 2026. We have no relationship with them, we make no claims about their results, and we would encourage you to read their site as closely as ours.

Who is First Page Sage, as described on its own site?

First Page Sage's homepage describes the company as an SEO and GEO agency focused on lead generation and authority building, with the line that whether your customers are using Google, ChatGPT or another AI or search platform, they help you rank at the top, and it cites more than 17 years of experience turning websites into full-funnel organic lead generation systems (checked October 2026). The page title also uses the term AEO. Enterprise logos are shown, and no pricing is published.

First Page Sage's GEO services page lists six components, checked October 2026:

That page names ChatGPT, Google Gemini, Perplexity and Claude as the platforms where optimization happens, describes the team's role as content creator, list and database outreach manager and online reputation monitor, shows an analytics dashboard without detailing the metrics, and links to guides including a GEO cost breakdown without stating prices. First Page Sage's process page describes a six-element process in which a dedicated team produces thought leadership content at a rate of 6 to 10 new conversion-optimized pages per month and says typical campaigns last for 2 to 5 years. First Page Sage's contact page carries the title SEO Marketing Company in SF Bay Area and links to a San Francisco location page, and no street address appears on the pages we checked.

Which buyer does each fit?

Third Coast AIFirst Page Sage
LocationHolland, Michigan. In-person work in West Michigan (Grand Rapids, Holland, Kalamazoo, Muskegon and the lakeshore), remote work with companies anywhere in the US.San Francisco Bay Area, per the contact page title and location link; no street address on the pages we checked.
FocusAEO and GEO only: getting a company named and cited by ChatGPT, Google AI Overviews and AI Mode, Gemini, Perplexity and Copilot. No SEO programs, no paid media, no software.SEO and GEO agency built around thought-leadership content campaigns, with GEO components covering lists, databases, authority, reviews, achievements and sentiment.
Who it fitsOwners, CEOs and marketing directors of $5M to $100M companies, and agencies that want AEO delivered under their name or taught to their team.Companies that want a dedicated content team producing 6 to 10 pages a month over a multi-year campaign; enterprise logos are shown on the site.
How you buyA three-week fixed-fee audit, quoted after a short scoping call, then optional monthly content and entity programs on a six-month initial term, month to month after that. The audit fee is credited against the first month of a program.No pricing published on the pages we checked; the process page describes typical campaigns of 2 to 5 years with detailed planning for the first year.
How results are measuredPrompt-level change across repeated runs on each engine: whether you are named, where, how you are described and which pages are cited, with the misses reported alongside the wins.A reporting specialist tracks campaign KPIs and leading indicators, per the process page; the GEO page shows an analytics dashboard without naming the metrics.

Is a multi-year campaign or a three-week audit the better starting point?

It depends on what you already know. If you are confident that AI search matters for your category and you want a team to produce authority content at volume for years, First Page Sage's model is built for that and ours is not; a typical month in our content program is four to eight pages and the count goes down as the site gets healthier. If you do not yet know which companies the engines name when your buyers ask, why, or which of your pages fail to supply the decision factors, we think measuring first is the better use of money, which is why our engagement starts with an audit that has no minimum term and is credited against the first month if you continue. A company that has run a long content campaign and wants to know what the engines now say about it is also a good audit candidate, whoever ran the campaign.

How should you compare the reporting?

Ask each of us to show you a real report with the misses in it. The published research gives you the questions: Ahrefs' 75,000-brand study found third-party mentions correlate with AI citations at 0.664 against 0.218 for backlinks, so ask how off-site work is tracked, which in First Page Sage's case the list, database and review components appear designed to address. Aggarwal and colleagues at Princeton measured quotations, statistics and cited sources lifting visibility in generated answers by about 41%, 33% and 28%, so ask what the content standard is before a page publishes. Pew measured click-through falling from 15% to 8% when an AI summary appears, so ask whether the report measures being named or measures traffic, because those are now different things.

Volume and measurement are both legitimate ways to start. We chose measurement because most owners we meet cannot yet say which prompts they are absent from, and writing before you know that is writing in the dark.

Third Coast AI

When would we send you to First Page Sage instead?

When you want an SEO and GEO campaign run as one long engagement by a dedicated team that writes, edits, designs and reports, at a page volume we do not produce, and when the Bay Area or an enterprise peer group matters to you. We would keep you when you are a $5M to $100M company or an agency serving them, you want the measurement done first and handed to you, and you want a West Michigan specialist who will sit in the room for the readout. The guide to choosing an AEO agency and the questions to ask apply equally to both of us.

Frequently asked questions

Does First Page Sage offer GEO?

Yes. Its site describes the company as an SEO and GEO agency and its GEO services page lists six components, naming ChatGPT, Google Gemini, Perplexity and Claude as the platforms optimized for, checked October 2026.

Where is First Page Sage located?

Its contact page is titled SEO Marketing Company in SF Bay Area and links to a San Francisco location page. No street address appears on the pages we checked in October 2026.

How long are First Page Sage engagements?

Its process page says typical campaigns last for 2 to 5 years, with detailed planning for the first year and a dedicated team producing 6 to 10 new pages per month.

Which is better for a mid-sized Michigan company?

We cannot judge quality, and both can be good choices. First Page Sage's model is a long content campaign; ours starts with a three-week audit, works in person in West Michigan and runs programs on a six-month term. Pick the shape of engagement you want first.

Measure first

A three-week audit tells you which prompts you are absent from before anyone writes a page.