Every account MarketSizer surfaces is backed by evidence across three critical dimensions.
Real signals from trials, churn, and renewals.
Know when companies are actively evaluating solutions. We detect trials within weeks, competitive churn events, and renewal windows, not anonymous page views.
Companies that match your best customers.
ICP matching based on tech stack, competitive overlap, and observed market behaviour, not just firmographics. See companies that behave like the deals you already win.
Focus where you have proof of success.
Historical win likelihood based on 24M+ subscription outcomes. See which competitive scenarios you typically win and avoid deals you're unlikely to close.


Surface real-time alerts on churn, renewals, and trials where your team already lives. Never be caught off guard again.

Everyone sees the same buying signals and acts on them in sync. No more siloes.

Get timing, context, and confidence across every stage of the customer lifecycle. Optimise every interaction.
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Not all in-market accounts are worth pursuing. MarketSizer ranks opportunities by ICP fit and historical win probability so you spend time on deals you can close,not just active buyers.
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Get real-time subscription intelligence wherever you work: CRM, browser, or prospecting tools. See what accounts are using, what they're churned from, and when they entered buying mode.
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Know which vendors are in play, how sticky incumbents are, and what displacement patterns look like. MarketSizer provides complete market visibility so you can position effectively.
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MarketSizer surfaces accounts actively evaluating alternatives, trialing new tools. or showing buying signals in the customer support & live chat category. No more cold outreach to accounts that aren't ready.
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Unlike legacy intent tools based on website visits or firmographics, MarketSizer delivers lifecycle-ready signals based on competitive subscription data, directly in your CRM. Designed for SaaS teams that care about timing, not traffic.
Signal Source
Signal Delivery Speed
CRM integration
Use case fit (Sales, Marketing, CS)
SaaS GTM focus
Action-ready insights
1st-party lifecycle activity, subscription intelligence
On-demand sync available (Find out about pricing)
Native CRM integrations & custom API
Built for full GTM & customer success teams
Built for subscription businesses with timing-driven motions
Triggers workflows, tasks, and campaigns when the moment is right
3rd-party content consumption (e.g. web visits)
Delayed by 7-30 days
Basic CRM integrations & workflow
Mostly marketing or sales, siloed
Generic intent data or lead scoring models
Static reports that require manual interpretation