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UK · LONDONFINTECH · SME INVOICINGSEO · GEO/AEODIGITAL PR2025–2026

Fintech SaaS: organic signups ×4.2 and CAC down 61%

×4.2
ORGANIC SIGNUPS IN 8 MONTHS
58
KEYWORDS IN TOP-3
23
AI OVERVIEWS MONEY QUERIES
−61%
CUSTOMER ACQUISITION COST
SME invoicing SaaS: signups ×4.2, CAC down 61%
PROBLEM

Paid channels got pricier while organic stayed too small

The company was buying growth on Google Ads and comparison sites, but CAC kept climbing as CPCs rose in finance terms. Organic signups were low, the site lacked topic depth, and the brand was absent from AI Overviews on high-intent money queries buyers now used before booking demos.

CAC had climbed to £214 while paid search CPCs were up 37% year over year;
Organic delivered only 19 signups per month against 80+ from paid channels;
Just 6 commercial keywords ranked in top-10 and only 3 in top-3;
Zero presence in AI Overviews despite buyers searching 23 target invoicing and cash-flow queries;
SOLUTION · 8 MONTHS

Topic authority for Google, structured answers for AI

We rebuilt the organic acquisition engine around real SME finance questions. The strategy combined commercial content clusters, citable data assets and on-page answer formatting so the site could rank in classic search and surface in AI-generated results.

WEEKS 1–2
Technical foundation
Fixed crawl waste, internal linking gaps and duplicate template issues; deployed Schema.org for Organization, SoftwareApplication, FAQPage and Article across key page types.
WEEKS 3–8
Content clusters
Built 4 pillar pages and 32 supporting articles around invoicing, late payments, cash flow and VAT; added comparison, pricing and use-case pages with extractable facts.
WEEKS 9–16
Digital PR assets
Produced a UK SME late-payment report with proprietary data, pitched finance media and earned 34 new referring domains from business publications and niche industry sites.
WEEKS 17–32
GEO/AEO layer
Added concise answer blocks, source-backed statistics, entity reinforcement and llms.txt; optimized 23 priority pages to improve inclusion in AI Overviews and LLM citations.
RESULT · 8 MONTHS

Organic became a scalable acquisition channel

METRICBEFOREAFTERCHANGE
Organic signups / month 19 80 ×4.2
Keywords in top-3 3 58 +55
AI Overviews appearances 0 23 NEW VISIBILITY
Customer acquisition cost £214 £83 −61%
Organic sessions / month 3,400 11,900 +250%
“We expected better rankings. We didn’t expect organic to cut CAC by 61% and start showing our brand inside AI Overviews for money queries that actually convert.”
VP Marketing FINTECH SAAS · LONDON
FAQ

Frequent questions

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What actually brought customer acquisition cost down here?
CAC fell 61%, from £214 to £83, mainly because organic signups grew ×4.2 (19 to 80 per month) and took pressure off paid search, where CPCs had risen 37% year over year. Content clusters, digital PR and GEO/AEO work drove that organic growth, not a paid-budget cut.
Does optimizing for AI Overviews and LLM citations actually move the needle?
In this case it was measurable: this London fintech went from zero AI Overviews appearances to 23 on target invoicing and cash-flow queries, using source-backed stats, answer blocks and llms.txt alongside standard Schema.org markup. It ran alongside classic SEO, not instead of it; top-3 keyword rankings also rose from 3 to 58.
How long does it take for content and digital PR to move organic signups?
Over 8 months, organic signups grew ×4.2, from 19 to 80 per month. That came from 4 pillar pages and 32 supporting articles, plus a data-backed PR report that earned 34 referring domains from finance publications.
How do you measure success for GEO/AEO work, separate from regular SEO?
We track AI Overview appearances and LLM citation inclusion for a defined set of priority pages, separate from standard keyword rankings. Here that meant optimizing 23 target pages for extractable answers, which produced 0-to-23 AI Overviews appearances tracked alongside, not blended into, the keyword and traffic numbers.
NEXT CASE Beauty brand: 12,000 orders, steady 4.1x ROAS
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