EcoLocked’s Lab Strategy: Why Physical Proximity Still Matters in Remote-First Sales

The remote sales playbook is everywhere: automated demos, self-service trials, PLG motions, async communication. Sales efficiency means scaling without human touch. The best B2B companies serve thousands of customers without anyone ever meeting face-to-face.

In a recent episode of Category Visionaries, Steff Gerhart, Co-Founder and Co-CEO of EcoLocked, explained why none of that works when your product affects structural integrity. When concrete fails, buildings collapse. Screen shares don’t build the trust required to de-risk that outcome.

The Trust Deficit

EcoLocked sells CO2-negative concrete admixes to an industry built on proven materials and decades of testing. The sales challenge isn’t explaining the value proposition—sustainability matters, carbon removal matters, everyone gets it. The challenge is overcoming a fundamental credibility gap.

“FaceTime in this industry is very important to build up trust, you know, that we are not just some crazy startup doing something weird,” Steff explains. This isn’t about being friendly or personable. It’s about proving legitimacy in an industry where failure has catastrophic consequences.

Concrete producers aren’t worried about churn rates or user adoption. They’re worried about structural failures, legal liability, and reputational damage that could end their business. A bad software decision means lost productivity. A bad concrete decision means collapsed buildings and destroyed careers.

Remote sales can’t bridge that gap. No amount of polished pitch decks or video testimonials replaces the visceral reassurance of watching someone work in your actual lab with your actual materials.

Strategic Geographic Concentration

EcoLocked’s first customer came from close to their operations. This wasn’t luck—it was strategy. “The first customer was coming from very close to where we operate, which was helpful because FaceTime in this industry is very important,” Steff shares.

Geographic concentration in early GTM gets dismissed as limiting. Investors want to see national or global expansion plans. Sales leaders want distributed teams covering broad territories. But for high-stakes products, proximity enables something remote sales can’t: repeated, low-friction physical presence.

When you’re based near your first customers, showing up isn’t an event requiring calendar Tetris and travel budgets. It’s Tuesday afternoon. “We really needed to be there and to convince them that this is something solid,” Steff notes. That consistent presence compounds trust in ways that scheduled quarterly business reviews never will.

The proximity advantage works both ways. Customers can visit your facilities easily. They can see your operations, meet your team, and develop confidence through repeated exposure. Trust builds through accumulation of small interactions, not dramatic presentations.

Inside the Customer’s Lab

The critical moment in EcoLocked’s sales process happens in the customer’s laboratory. “Went into their lab, we tested with their material and with their own head of laboratory also,” Steff explains.

This isn’t a product demo. It’s collaborative validation using the customer’s actual materials, their equipment, and their testing protocols. The customer’s head of laboratory—the technical gatekeeper who will ultimately approve or reject the solution—participates directly.

This approach inverts the typical vendor-customer dynamic. Instead of asking customers to trust your testing, you’re testing together. Instead of presenting results, you’re generating results collaboratively. The head of laboratory isn’t evaluating your claims—they’re validating them firsthand.

“Making sure they can build up that trust, they can get the security that there’s something legit was really important,” Steff emphasizes. Security doesn’t come from PowerPoint slides about quality assurance. It comes from watching the product work with your own eyes, in your own lab, using your own materials.

The Stakeholder Split

EcoLocked’s sales process reveals a pattern common in technical B2B sales but rarely addressed explicitly. Conversations split across two very different stakeholders with opposite priorities.

“We talk to someone in the leadership. The CEO, he or she is very excited about sustainability, leads us to the head of laboratory,” Steff describes. The executive loves the vision—carbon-negative buildings, climate impact, competitive differentiation through sustainability.

Then come the technical leaders. “Those guys are obviously technically extremely skilled, extremely experienced and very much focused on all the risks and what can go wrong.”

These technical gatekeepers don’t care about sustainability awards or press mentions. They care about compressive strength, curing time, consistency across batches, and long-term durability. Their job is finding reasons to say no, and they’re extremely good at it.

This split requires different approaches for different stakeholders. But critically, the technical validation requires physical presence. You can inspire executives over video calls. You can’t convince a head of laboratory that your admix won’t compromise structural integrity without being in their lab.

What Physical Presence Actually Proves

The lab visits serve multiple functions beyond product validation. First, they demonstrate commitment. Showing up repeatedly, on the customer’s schedule, in their environment, signals that you’re serious. Remote vendors can disappear when things go wrong. Physical presence implies permanence.

Second, they enable real-time problem-solving. When testing reveals issues—and it always does—being physically present allows immediate iteration. “We tested with their material” means adapting to their specific conditions, not generic use cases. That adaptation can’t happen asynchronously.

Third, they build human relationships that transcend transactional vendor relationships. The head of laboratory who watches you troubleshoot problems in their lab becomes a partner, not a customer. They’ve invested time in your success. That investment creates psychological commitment that remote interactions rarely generate.

The Efficiency Paradox

From a traditional sales efficiency perspective, EcoLocked’s approach looks terrible. Travel time, coordination overhead, limited geographic reach—it’s everything modern sales operations try to eliminate.

But efficiency metrics assume all prospects have equal conversion probability. They don’t. In conservative, high-stakes industries, the difference between remote and in-person approaches isn’t 10% better conversion—it’s the difference between zero conversions and viable conversions.

You can’t efficiency-optimize your way to selling structural materials remotely. The physics of trust in high-consequence environments requires physical presence. The choice isn’t between efficient remote sales and inefficient in-person sales. It’s between in-person sales and no sales.

When to Choose Proximity Over Scale

EcoLocked’s lab strategy reveals when physical proximity should override scalability concerns. The decision matrix has three variables: consequence of failure, complexity of validation, and existing trust levels.

When failure consequences are severe (safety-critical, financially material, legally liable), physical presence becomes non-negotiable. When technical validation requires hands-on testing with customer-specific materials, remote demos don’t suffice. When trust levels are low (new vendor, novel technology, conservative industry), screen sharing can’t bridge the gap.

For products that score high on all three variables—like construction materials—remote-first sales strategies simply don’t work. You can optimize remote sales after establishing initial trust through physical presence, but you can’t replace that foundation.

Scaling Through Replication, Not Reach

EcoLocked’s approach to scale doesn’t follow the typical playbook of expanding geographic reach while maintaining remote processes. Instead, they’re focused on regional concentration before expansion.

They serve primarily Germany with select customers in the Netherlands, despite receiving requests from the US, Canada, South America, and Asia. “Since we rely on a supply chain that right now we are focusing here on the kind of European part, that would be quite some effort to build up a new supply chain in that other market,” Steff explains.

When they do expand to new regions, “we would do preparation and with full force.” That means replicating the proximity model in each new region—establishing local presence, building local relationships, and enabling the same lab-visit strategy that worked initially.

This is slower and more capital-intensive than remote scaling. It’s also the only strategy that works when trust requires presence. For founders selling high-stakes products, the lesson is clear: optimize for trust depth in concentrated regions, not breadth across territories. Remote scaling comes later, after physical presence establishes the foundation.

The future of B2B sales isn’t universally remote. For products where failure matters, proximity still wins.