"We now reach buyers before they even talk to a competitor. Inbound Labs is the only data provider we use for clients and our own growth."
As an outbound agency, StackOptimise's business depends entirely on deliverability and reply rates. Using multiple data providers made results inconsistent across client campaigns: impossible to predict and hard to scale.
Felix standardised 100% of client prospecting on Inbound Labs. Every client campaign uses the same data source: same verification standards, same freshness cadence, same reliability. This became a key selling point to new agency clients.
"Our pitch to clients now includes guaranteed deliverability because we know our data works. That closes deals."
No commitment. No credit card. Just 50 free verified contact lookups.
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