Back to Glossary
S
Glossary Term

Share of Voice.

Learn what Share of Voice means in modern search and SEO.

Part of speechnounOriginOld English: scear (share, portion) + Latin: vox (voice, expression)

The percentage of industry conversations, mentions, or advertising impressions captured by your brand relative to competitors.

Share of Voice (SOV) measures the proportion of total industry conversations, mentions, search rankings, or advertising impressions that belong to your brand relative to competitors. Originally an advertising metric (percentage of total category ad spend), digital SOV now encompasses organic search visibility, social media mentions, PR coverage, and content rankings across key topics.

Digital Share of Voice Metrics

Modern SOV is measured across multiple dimensions: Search SOV (share of impressions for target keywords in your category, measured in Google Search Console or keyword tools); Social SOV (share of brand mentions vs. competitors across social platforms, measured with listening tools); Content SOV (share of top-ranking positions for category keywords across your content); and Earned Media SOV (share of press mentions in industry publications).

SOV and Market Share

Research by the IPA (Les Binet and Peter Field) established that brands with SOV significantly exceeding their market share tend to grow, while brands with SOV below their market share tend to decline. This makes SOV a leading indicator of future market share—investing to build SOV ahead of market share translates to future growth. For emerging brands, achieving SOV disproportionate to current size is a growth accelerant.

Articles about Share of Voice

Read more on the Aergos blog.

Best AI Visibility Checkers: Free and Paid Ways to See If AI Mentions You
AI SearchJuly 30, 2026

Best AI Visibility Checkers: Free and Paid Ways to See If AI Mentions You

Not sure if AI search engines are mentioning your brand? This guide breaks down the best free and paid AI visibility checker tools — from instant one-time audits to continuous monitoring — so you know exactly where you stand.

Read article
Best LLM SEO Tools: Software for Ranking in AI Search (2026)
AI SearchJuly 23, 2026

Best LLM SEO Tools: Software for Ranking in AI Search (2026)

LLM SEO is no longer a future problem — it's happening right now in every search box that runs on AI. This guide breaks down the best LLM SEO tools available in 2026, what each one actually does, and how to pick the right fit for your situation.

Read article
EU Forces Google to Open Android and Search to AI Rivals
NewsJuly 16, 2026

EU Forces Google to Open Android and Search to AI Rivals

The European Commission handed down two landmark rulings Thursday requiring Google to open Android and Google Search to rival AI assistants and competing search engines. Google has until January 2027 to begin sharing search data and July 2027 to implement Android changes. The decisions could reshape how AI assistants compete — and how search visibility gets distributed.

Read article
Otterly.AI Alternatives: AI Search Monitoring Tools Compared
AI SearchJuly 14, 2026

Otterly.AI Alternatives: AI Search Monitoring Tools Compared

Otterly.AI was one of the first dedicated tools for tracking brand visibility in AI search. But depending on your workflow, a more complete platform might serve you better. Here's an honest comparison.

Read article
Peec AI Alternatives: What to Use for AI Visibility Tracking
AI SearchJune 30, 2026

Peec AI Alternatives: What to Use for AI Visibility Tracking

Peec AI does one thing well: brand visibility monitoring across AI search. But depending on your workflow, you may need more than monitoring. Here's how it stacks up against the real alternatives.

Read article
Best AI Rank Trackers: Track Rankings in ChatGPT, Perplexity and AI Overviews
AI SearchJune 25, 2026

Best AI Rank Trackers: Track Rankings in ChatGPT, Perplexity and AI Overviews

Classic rank tracking tells you where you rank on Google. AI rank tracking tells you whether ChatGPT, Perplexity, and Gemini are even mentioning your brand. Here's how the two differ — and which tools actually do both well.

Read article

Ready to close the loop?

See every term in action

Aergos tracks your AI and organic visibility across every channel, in one platform.

Not ready to talk? Audit your site free →