Fonix Mobile (FNX · LSE)

TechnologyLSEUKMid-cap

Payments and Messaging Infrastructure for TV and Charity

Fonix owns the payment and messaging rails behind Britain's TV votes and text donations, a critical service for broadcasters and charities, which is why 99% of income repeats and no major customer has ever left.

Fonix PLC

FNX: LSE

192.89 GBp

+10.22%

year to date

Market Cap£171.82M

Avg Volume517.85K

PriceGBp192.89+12.80%

P/E Ratio15.35ttm

Pricing delayed 20 minutes Sep 22, 2026, 12:00 AM

Bull case for Fonix Mobile

A Scalable, Embedded Platform With Proven Retention
Market-leading, mission-critical technology with no major customer churn and highly recurring income.
High-Margin Scalability With Clear Earnings Progression
Incremental gross profit scales efficiently into EBITDA and free cash flow.
European Expansion as a Structural Inflection Point
New markets have the potential to materially expand gross profit and earnings capacity over time.

Bear case for Fonix Mobile

UK Market Concentration
A mature domestic market may limit underlying organic growth.
Regulatory and Carrier Exposure
Changes in mobile network economics or regulation could pressure margins.
International Execution
European rollout may be slower or less profitable than anticipated.