Find the accounts already moving in your market. Just ask Iggy.
Spot companies evaluating alternatives, approaching renewal windows, or showing signs of a switch. Ask Iggy who to prioritise, why they matter, and what to do next.
Example of Ask Iggy in MarketSizer, with illustrative data. Who to prioritise: Halcyon Freight, a qualified account evaluating a competitor. Why it matters: a 5-star Opportunity Score and two verified contacts. What to do next: a drafted outreach email to its VP Revenue Operations.
The teams already working the signal
“I’m very happy with the Pipedrive connection. It’s just great. It makes my life easier.”
Ralph HeenemanCommercial Director & Co-Owner, cloudmotion
“MarketSizer gives me the companies I want to reach and the people behind them, all in one place. It makes my life easier.”
Rens van GoolBusiness Development & AE Manager, Moonside
“When my inbound team says a prospect is unreachable, I go to MarketSizer, see what software they are already using, and qualify them from there.”
Gajendra BoopathiAVP Global Sales, Gallabox
Not every account is an opportunity.
A good fit isn't enough. Neither is a buying signal on its own. MarketSizer brings both together with competitive context and estimated win likelihood, so you can focus on accounts worth pursuing now.
Explore Opportunity Scoring- 01
Fit
Does this company resemble the customers you win?
Same size, industry and tech stack as your best customers
- 02
Buying signals
What observable changes suggest it's worth investigating now?
New competing helpdesk installation observed 6 days ago
- 03
Win likelihood
How does this competitive scenario compare with relevant historical outcomes?
You win 61% of comparable switches from this incumbent
Opportunity Score Five-star
A close fit, a fresh switch signal and a scenario you usually win. Worth pursuing now.
One question. An entire intelligence layer behind it.
Find accounts showing buying signals. Understand the evidence behind each opportunity. Put that intelligence to work across your GTM tools.
Illustrative data. The film has no sound; captions are on by default.
Your market. Real opportunities.Bring us your market.
We'll show you what Iggy finds.
Tell us who you sell to and who you compete with. We'll show you the buying signals and potential opportunities MarketSizer can uncover for your team.
Book your demo30 minutes · Tailored to your market · No commitment
“I’m doing a fixed block every week, every Tuesday morning, ten or twelve outreaches.”
Pay for opportunities, not unused access. Explore your market, then spend where there is something worth acting on. See pricing
What would your team ask Iggy?
Every role asks a different question. Iggy answers each one from the same opportunity intelligence.
Which opportunities deserve my attention today?
Start with these two. Both fit your ICP and show fresh evidence.
- Lumio HealthCompeting helpdesk trial · renews in 73 days
- Brightpath SoftwareCancelled a competing helpdesk · no new tool yet
Common questions
What is MarketSizer?
MarketSizer is an opportunity intelligence platform for B2B teams. It helps you identify companies showing relevant market activity, understand the evidence behind each opportunity, and prioritise where to act.
How does MarketSizer identify buying signals?
MarketSizer combines observed software activity with historical data and modelling. For example, a newly detected competitor installation can indicate that an account is evaluating alternatives. The signals provide evidence for prioritisation, not certainty about a company's purchasing decisions.
How accurate is the data?
MarketSizer detects vendor installations through five detection methods across several sources, and keeps what it observed separate from estimates and predictions. Every score traces back to its signals, so you can inspect the supporting evidence and evaluate coverage for your market. See how our data works.
Can I use MarketSizer with my existing tools?
Yes. MarketSizer supports integrations and export workflows for common CRM, sales and GTM tools. Explore the integrations page to see available connections and their supported capabilities.
Can I try MarketSizer before committing?
Yes. You can start for free with 500 credits, or book a tailored demo to see MarketSizer applied to your market.
Find it with Iggy.