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TG3 SaaS/Glossary/Share of voice
SaaS metrics glossary

Share of voice (SOV).

The metric that links brand spend to market share. Here is what share of voice means, how to measure it and why it predicts growth better than most teams realise.

Definition
Share of voice (SOV) is your brand presence as a share of all brand presence in your category, across search, social, press or AI answers.

SOV matters because of a durable pattern, brands that hold a share of voice above their share of market tend to grow and those below tend to shrink. It is one of the few brand metrics with a real link to commercial outcomes.

How to calculate it

How to calculate share of voice.

SOV = your presence ÷ total category presence × 100
Your presenceyour mentions, impressions or rankings in the channel
Total presencethe same measure summed across all competitors

Measure it where your buyers actually look, increasingly that includes AI answers, see AEO for SaaS.

Benchmarks

Why share of voice predicts market share.

The excess share of voice rule, from decades of advertising research, says brands holding more voice than their market share tend to gain share and those holding less tend to lose it. SOV is a leading indicator where most brand metrics lag.

The trap is measuring the wrong channel. SOV on a platform your buyers ignore is a vanity number. As buyers shift research to AI answers and communities, share of voice there matters more than a billboard count nobody sees.

How to improve it

How to grow share of voice.

01

Measure where buyers look

SOV on an irrelevant channel is vanity. Track it where your market actually researches.

02

Include AI answers

As buyers ask AI instead of searching, presence in those answers is share of voice too.

03

Aim above your market share

Holding more voice than market share is the pattern that precedes growth.

04

Track the trend

SOV matters as a direction over quarters, not a single snapshot.

Common questions

Questions about share of voice.

What is share of voice?+

Your brand presence as a percentage of total brand presence in your category, across a given channel.

How do you calculate share of voice?+

Divide your presence, such as mentions or rankings, by the total across all competitors in the channel, then multiply by 100.

Why does share of voice matter?+

Because brands holding more voice than their market share tend to grow, making SOV a leading indicator rather than a lagging one.

Where should you measure share of voice?+

Wherever your buyers actually research, which increasingly includes AI answers and communities, not just traditional search or press.

Brand awarenessDemand generationNorth star metricAEO for SaaSDark funnel

Measuring share of voice anywhere useful?

The 30-minute audit includes whether your SOV is tracked where buyers actually look. No sales sequence.

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