NYC-based startup Spara, which provides an enterprise-grade platform for voice, email, and chat AI agents to engage instantly, has raised $15 million in seed funding to revolutionize B2B sales. The funding will help tackle AI response times, lead qualification, multimodal integrations, and machine learning personalization that drive instant engagement and higher conversions.

In B2B sales, speed decides outcomes. Most buyers purchase from the first vendor that replies, yet companies often lose opportunities due to slow human-driven workflows.

Spara fixes this bottleneck by deploying AI agents across voice, email, and chat that engage, qualify, and book meetings within seconds. Unlike generic chatbots, the platform adapts to each client’s go-to-market strategy, ensuring conversations feel timely, personal, and brand-aligned.

“Outbound is oversaturated to the point of irrelevance, while inbound systems haven’t evolved to meet modern buyer expectations. Spara is modernizing inbound and reshaping how products are sold,” said David Walker, co-founder and CEO of Spara.

“Companies spend millions driving traffic to their websites, but the majority of leads leave without ever getting their questions answered. Spara closes that gap by allowing sales teams to capture revenue the moment it shows up,” added David Walker.

Strong Investor Confidence

Radical Ventures and Inspired Capital co-led the $15 million seed round, joined by XYZ Ventures, FJ Labs, Remarkable Ventures, and strategic angels from OpenAI, Anthropic, Google, Meta, Databricks, and G2. Their backing underscores confidence in Spara’s AI-first infrastructure approach to sales acceleration.

Early adopters already report striking gains. Rho, for example, booked 90 meetings in just 30 days with Spara, converting half of qualified traffic and reducing chat-to-meeting time to under three minutes. Similar outcomes at MarketMan, Jericho Security, and TinyMCE highlight how fast AI response times can reshape pipelines.

“With Spara, we’re engaging buyers the moment they show interest – often within seconds,” said Tommy McNulty, Chief Revenue Officer at Rho. “That kind of speed has dramatically improved our conversion rates and freed up our reps to focus on closing.”

Accelerating Product Development

With the new capital, Spara will expand its engineering and customer success teams while advancing machine learning personalization. Deeper multimodal integrations with existing CRM and marketing tools will help businesses adopt the platform without disrupting workflows, positioning Spara as a plug-and-play solution.

The conversational AI market will grow from $11.6 billion in 2024 to $41.4 billion by 2030. Spara aims to lead this surge by blending enterprise-grade AI with sales expertise, ultimately setting a new standard for real-time buyer engagement.

“Spara is rethinking the way companies connect with buyers from the ground up, with AI at the core of their approach. The team understands that the future of sales isn’t more automation for sellers, but more immediacy and clarity for buyers,” said Molly Welch, Partner at Radical Ventures.

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