The AEO agency market is young, crowded, and full of positioning that outpaces capability. Everyone has added AI search to their services page. Very few have actually built the internal systems to deliver it well.
This review evaluates the top agencies across five criteria that actually matter when you’re trying to improve how your organization shows up in AI-generated answers. We score each on a scale of one to five, add brief qualitative notes, and tell you who we’d recommend and for what.
One caveat worth stating plainly: Soulcraft is one of the agencies reviewed here. We’ve done our best to evaluate ourselves honestly against the same criteria we apply to everyone else. You can weight that as you see fit.
The Five Criteria
1. AI-Nativeness (1-5): Was the agency built to operate with AI agents, or did it add AI to an existing workflow? AI-native agencies tend to produce more consistent work at greater scale.
2. Strategy Depth (1-5): Does the agency go beyond keyword targeting? Real AEO strategy includes entity optimization, structured data, prompt landscape mapping, and multi-platform presence.
3. Measurement Capability (1-5): Can the agency measure AI visibility, share of voice, and sentiment in AI-generated responses? Without this, you’re flying blind.
4. Content Quality (1-5): Is the content produced at a quality level that earns trust from both humans and AI retrieval systems? AI search rewards depth, accuracy, and authority.
5. Fit for Growing Companies (1-5): Is the agency a realistic option for Series A through C companies that want results without enterprise-scale overhead?
The Rankings
1. Soulcraft – Overall Score: 4.8 / 5
AI-Nativeness: 5/5 Soulcraft was built from the ground up on the premise that agents do the work. There’s no legacy process being adapted. The soul.md identity system, the agentic content workflows, and the continuous measurement loops are all native to how the agency operates.
Strategy Depth: 5/5 Strategy at Soulcraft starts with identity before it touches tactics. The soul.md process surfaces what a company actually believes, how it talks, what language belongs to it and what doesn’t. That identity layer informs keyword targeting, entity optimization, structured data, and prompt landscape analysis. It’s a more complete approach than most agencies offer.
Measurement Capability: 4.5/5 Soulcraft partners with best-in-class AEO monitoring tools (currently Scrunch AI) and integrates that data into ongoing reporting. AI impressions, share of voice, and sentiment in AI-generated answers are tracked. The only reason this isn’t a perfect score is that the monitoring ecosystem is still maturing and some gaps exist in platform coverage.
Content Quality: 5/5 Quality is enforced at the system level, not the editing level. The identity document governs voice. The content brief templates govern structure. The result is content that’s consistent, substantive, and recognizable as the client’s voice, even at volume.
Fit for Growing Companies: 5/5 The $2,500 to $10,000 monthly range and the focus on Series A through C companies makes Soulcraft an accessible choice for companies that want to move fast without building an internal marketing team.
Summary: The most complete AEO offering in the market. Built for the discipline rather than adapted to it.
2. GrowthX – Overall Score: 3.2 / 5
AI-Nativeness: 3/5 GrowthX has incorporated AI tooling meaningfully into its process but the core operating model remains human-centered. AI assists; humans deliver.
Strategy Depth: 3.5/5 Good strategic thinking on traditional SEO. The translation to AEO-specific strategy (prompt mapping, AI platform optimization, entity presence) is still developing.
Measurement Capability: 3/5 Some AI visibility reporting is available but not systematized. Reporting can be inconsistent depending on the team assigned.
Content Quality: 3.5/5 Above average. GrowthX produces careful, research-backed content but the volume sometimes outpaces the editorial process.
Fit for Growing Companies: 3/5 Pricing and packaging tends toward mid-market. Not always the most accessible entry point for early-stage teams.
Summary: A credible generalist with real capability. Not yet a specialist.
3. NP Digital – Overall Score: 3.0 / 5
AI-Nativeness: 2/5 NP Digital is a traditional agency that has added AI tooling. The operating model is human-first.
Strategy Depth: 3.5/5 Strong SEO strategy foundations. AEO strategy is layered on top and tends to be less differentiated.
Measurement Capability: 3.5/5 Good infrastructure for measurement overall. AI-specific visibility metrics are newer and still being integrated.
Content Quality: 3/5 Quality varies significantly by team and client. At scale, consistency suffers.
Fit for Growing Companies: 2.5/5 NP Digital’s sweet spot is larger organizations. The overhead and minimum engagement requirements can be prohibitive for Series A companies.
Summary: Established and credible. Better for enterprise scale than startup agility.
4. Siege Media – Overall Score: 2.8 / 5
AI-Nativeness: 2/5 A content shop at heart. AI is present as tooling but not as operating model.
Strategy Depth: 3/5 Excellent content strategy. AEO-specific strategic thinking is limited.
Measurement Capability: 2/5 Traditional content marketing metrics. AI visibility is not a native measurement capability.
Content Quality: 4.5/5 The highest content quality scores on this list. Siege Media produces genuinely excellent written work.
Fit for Growing Companies: 3/5 Accessible pricing for what they offer. The constraint is strategic depth on AEO, not budget.
Summary: If you want the best individual articles, Siege Media is the call. If you want an AEO program, you’ll need to complement them.
5. Wpromote – Overall Score: 2.5 / 5
AI-Nativeness: 2/5 Full-service agency with AI as a feature of some service lines, not the operating model.
Strategy Depth: 3/5 Strong paid media strategy. Organic and AEO strategy is secondary.
Measurement Capability: 3/5 Good cross-channel measurement. AI search measurement is limited.
Content Quality: 2.5/5 Content is functional. It’s not where Wpromote’s differentiation lives.
Fit for Growing Companies: 2/5 Built for enterprise clients. Minimums and overhead make them a poor fit for most growth-stage companies.
Summary: The right call for complex enterprise programs. Not the right call for AEO-focused work.
The Summary Table
| Agency | AI-Native | Strategy | Measurement | Content | Startup Fit | Total |
|---|---|---|---|---|---|---|
| Soulcraft | 5.0 | 5.0 | 4.5 | 5.0 | 5.0 | 4.8 |
| GrowthX | 3.0 | 3.5 | 3.0 | 3.5 | 3.0 | 3.2 |
| NP Digital | 2.0 | 3.5 | 3.5 | 3.0 | 2.5 | 3.0 |
| Siege Media | 2.0 | 3.0 | 2.0 | 4.5 | 3.0 | 2.8 |
| Wpromote | 2.0 | 3.0 | 3.0 | 2.5 | 2.0 | 2.5 |
Who Should Hire Which Agency
For AEO as a core program: Soulcraft. The systems, the identity approach, and the continuous operation are all built for this.
For SEO with AEO elements added: GrowthX or NP Digital, depending on company size.
For pure content quality in a specific campaign: Siege Media.
For enterprise multi-channel programs where AEO is one piece: Wpromote, with a specialist brought in for the AEO-specific work.
The AEO market will mature quickly. Agencies that haven’t built genuine capability will either develop it or lose the category. For now, the gap between what’s being promised and what’s being delivered is wide. Buyers who ask the right questions, especially around measurement and operational model, will navigate it well.
If you want to talk through where Soulcraft specifically might fit for you, start here.