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Most inbound leads go cold because manual triage is too slow – the first team to respond wins the deal.
ENTRY ANGLES
Lead enrichment and intelligent routing to sales reps · Automation of leads that don't require human intervention · Form experience optimization to improve visitor conversion
VERTICALS
CAPABILITIES
Lead data enrichment and routing logic, Sales automation and workflow automation, Conversion rate optimization
B2B sales come in two flavors: inbound and outbound. Outbound is when sales reps initiate contact – cold calls, cold emails, hunting for prospects. Inbound is when you invest in driving potential buyers to your own website and then work that traffic.
A common misconception among sellers: if a visitor came to the site and filled out a form, they're practically a customer – the team can work through the queue at a comfortable pace. The reality is different. That same visitor almost certainly submitted forms on competitor sites too, and is actively exploring other solutions. Speed matters. A slow follow-up or a lead lost in a handoff chain is a deal that goes to someone else.
Default built a platform to automate the inbound lead handling process. The numbers it quotes:
- 67% faster lead processing - 10 hours per week saved on manual operations - 2x improvement in conversion from form submission to product demo – which cascades into higher close rates
Routing rules are configured in a visual editor, where teams can define logic branches based on lead attributes and trigger enrichment steps – pulling in job title, industry, company size, and other data to build a fuller picture of who just raised their hand.
Marketers and sales reps can also build and embed lead forms anywhere on the site without involving engineering. A one-time technical integration is all that's required upfront.
The routing engine is particularly capable. Enriched lead data feeds into rules that direct inquiries to the right rep based on deal size potential, industry, and geography. The platform also balances workload across the sales team automatically.
If a visitor starts filling out a form but doesn't finish – yet left any contact information – Default follows up automatically, trying to understand what they were looking for and routing that context to the appropriate rep.
Default already counts "hundreds" of customers. It just closed a $4 million round, bringing total funding to $11.3 million.
Surface Labs ([related review](/review/esli-ono-stoit-1-milliard-dollarov-jeto-ne-melkaja-fignja)), another platform with similar functionality, graduated from Y Combinator last fall. When YC bets on a market, it's usually worth paying attention.
That said, there's a long-running debate among B2B sellers about whether inbound is even worth the investment, or whether outbound is where the real revenue comes from.
The anecdotes are all over the place. On Reddit, a seller of scientific instruments says inbound drives 90% of his revenue, with cold outreach accounting for just 10%. On Quora, another founder describes the opposite – 95% from outbound – and admits he'd written off inbound as too slow and complicated, until he actually invested in it and found it produced fast, measurable results.
No definitive answer exists – but the pattern is shifting. Buyers have become desensitized to cold outreach; even when the pitch is relevant, cold calls and emails increasingly feel like spam. Meanwhile, the moment someone has a problem to solve, they go to the internet to research solutions – filling out forms, raising their hands, and then working with whoever responds fastest and most completely.
In other words, buyers are now doing the outbound for you. That raises the value of inbound – and puts a premium on being able to handle incoming leads quickly and well.
French startup Catalog ([related review](/review/a-chto-prodavat-srednim)) raised €3 million in its first round for a platform helping B2B physical-goods sellers handle inbound orders from buyers and resellers more effectively – the same trend, applied to a specific niche.
Privyr ([related review](/review/obrezat-i-zatochit)) raised $6.7 million for a mobile-first CRM whose core purpose is getting leads and messages to sales reps instantly, so they can respond before the prospect loses interest – even when they're away from a desk. Same trend: faster inbound response.
Heyflow ([covered here](/review/starye-posadochnye-stranicy-umerli)) raised $22 million for a platform that lets sellers build multi-step form sequences on their site – keeping visitors engaged, collecting richer qualification data, and driving them toward a demo request or a call booking. Same trend again: improving inbound conversion at the point of capture.
The broad direction: build tools that help B2B sellers squeeze more value from inbound marketing and sales.
The approaches vary – enrich and intelligently route leads to the right rep (Default, Surface Labs), automate the leads that can be handled without a human in the loop (Catalog), optimize the form experience to convert more visitors in the first place (Heyflow), or mobilize sales response so reps can engage from anywhere instantly (Privyr).
Pick a lane, build conviction around it, and start explaining to B2B sellers exactly how much revenue they're leaving on the table by treating inbound as an afterthought.