Verdict: Whitehat SEO is an excellent B2B AEO and SEO agency with genuine pipeline-reporting discipline. For B2B SaaS businesses using HubSpot, they are hard to beat. For regulated B2B sectors — financial services, legal, healthcare, construction — MarGen’s regulatory content depth and sector entity strategy are the stronger fit.
Head-to-head comparison
| MarGen | Whitehat SEO | |
|---|---|---|
| Founded | 2024 | 2011 |
| Location | London | London |
| Primary focus | Regulated UK B2B | B2B SaaS + professional services |
| AEO methodology | Integrated with GEO | Answer journeys framework |
| Financial services depth | ★★★★★ | ★★☆☆☆ |
| Legal sector depth | ★★★★★ | ★★☆☆☆ |
| Healthcare depth | ★★★★★ | ★★☆☆☆ |
| Construction depth | ★★★★★ | ★☆☆☆☆ |
| B2B SaaS | ★★★☆☆ | ★★★★★ |
| Pipeline reporting | Standard | ★★★★★ (HubSpot Diamond) |
| HubSpot integration | No | ✓ Native |
| Primary source content | ★★★★★ | ★★★☆☆ |
| Starting price | £2,500/month | ~£2,000/month |
| Contract terms | Month-to-month | Flexible |
Where Whitehat SEO is stronger
HubSpot pipeline integration. As a HubSpot Diamond Partner, Whitehat SEO can connect AEO citation improvements directly to pipeline data in HubSpot — showing not just AI visibility gains but the associated revenue pipeline those gains drive. This commercial accountability is their strongest differentiator.
B2B SaaS expertise. For non-regulated SaaS businesses, Whitehat’s deep familiarity with SaaS buying cycles, product-led growth dynamics, and B2B demand generation is valuable context that shapes AEO strategy.
Longer track record. 15 years in B2B SEO and AEO provides a depth of case study evidence that a newer specialist like MarGen cannot yet match on volume.
Where MarGen is stronger
Regulated sector editorial depth. Whitehat’s AEO methodology is technically strong, but their content for regulated sectors does not carry the primary-source regulatory grounding that FCA, SRA, NHS, and RICS citations require. In regulated YMYL topics, the sourcing standards are higher and the editorial quality bar is tighter.
GEO breadth alongside AEO. MarGen delivers AEO (structured content, FAQ schema, extraction architecture) and GEO (entity strategy, authority building, multi-platform citation) as a fully integrated programme. Whitehat SEO is primarily AEO and SEO-focused; their GEO coverage beyond Google AI Overviews is less developed.
Best for guide
| Your situation | Better choice |
|---|---|
| B2B SaaS using HubSpot | Whitehat SEO |
| Revenue-attribution-first AEO | Whitehat SEO |
| FCA-regulated financial services | MarGen |
| Law firm or legal services | MarGen |
| Healthcare business | MarGen |
| Construction or built environment | MarGen |
| Integrated GEO + AEO programme | MarGen |
See MarGen’s integrated GEO and AEO approach → | Request an audit →