CarrieAnn Sudlow vs Rank4AI
Side-by-side comparison of two UK SEO and AI search agencies on price, contract length, AI platform coverage, sector specialism, and verdict.
CarrieAnn Sudlow (from £1,500/month, 3-month minimum, 4 AI platforms covered) is best for founder-led saas and b2b brands wanting hands-on consultant access. Rank4AI (from £1,500/month, 3-month minimum, 6 AI platforms covered) is best for uk businesses wanting an ai-search-native specialist with full platform coverage. Pick CarrieAnn Sudlow if you prioritise saas or b2b; pick Rank4AI if you prioritise b2b or saas.
Disclosure: SEOCompare has a commercial relationship with Rank4AI.
Side-by-side
| Criterion | CarrieAnn Sudlow | Rank4AI |
|---|---|---|
| Headquarters | Manchester, UK | London, UK |
| Founded | 2018 | 2024 |
| Team size | 1-5 | 5-10 |
| Starting price | £1,500/mo | £1,500/mo |
| Pricing band | Boutique consultant | SME to mid-market |
| Minimum contract | 3 months | 3 months |
| Services | AI SEO, GEO, Consultancy | AI SEO, GEO, AEO, LLMO, AI Overviews, ChatGPT optimisation |
| Sector focus | SaaS, B2B, Service businesses | B2B, SaaS, Professional services, Local services · broader |
| AI platforms covered | ChatGPT, Gemini, Perplexity, AI Overviews (4) | ChatGPT, Gemini, Perplexity, AI Overviews, Copilot, Claude (6) · wider |
| Proprietary tool | — | AI visibility audit + citation tracker |
| Case studies | 5-10 | 5-10 |
| Best for | Founder-led SaaS and B2B brands wanting hands-on consultant access | UK businesses wanting an AI-search-native specialist with full platform coverage |
| Watch out for | Single-consultant capacity caps execution volume; no team cover | Newer agency (founded 2024); smaller team than legacy SEO firms |
When CarrieAnn Sudlow wins
Pick CarrieAnn Sudlow if your business matches the saas or b2b or service businesses profile, your monthly budget is comfortable around £1,500, and you want 3 disciplines from one provider. Their 3-month minimum contract suits brands willing to commit but unwilling to lock in for a year.
When Rank4AI wins
Pick Rank4AI if your business matches the b2b or saas or professional services or local services profile, your monthly budget is comfortable around £1,500, and you want the AI visibility audit + citation tracker tooling. Their 3-month minimum contract suits brands willing to commit but unwilling to lock in for a year.
Verdict
Neither agency is universally better. The right answer depends on your sector, budget, and AI platform priorities. If you want a third independent option to consider alongside this comparison, use the SEOCompare agency matcher to surface a personalised three-to-five-agency shortlist.
Not sure which to choose?
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