The technology is rarely the issue. Most cleantech startups we work with arrive at market with serious technology. What is missing is the structure to sell it to an industrial buyer. That is a different discipline, and it is learnable.

The pilot trap

Look at your pipeline today. How many pilots in progress, how many signed contracts? For most cleantech startups we encounter, the gap between the two is significant and not well understood.

A procurement team running a six-month POC has not committed to buying anything. It has committed to evaluating. These are not the same thing, and it changes everything about how you manage the relationship. The pilot tests the technology, not the willingness to buy. Treating it as a commercial signal is the most expensive mistake in this sector.

The real pilot-to-contract conversion rate is far lower than most founders assume. Decision timelines slip, internal champions change roles, regulatory priorities shift. A signed pilot scope does not mean a purchase is coming.

Common mistake

A pilot without written success criteria and without a forward commercial commitment is not pipeline: it is free consulting for the buyer. Set the clause before you start: if criteria X are met, a deployment discussion opens within Y days. Without that, you have nothing to track.

The 4 blockers that kill first deals

When we look at why a deal does not close, four causes come up repeatedly. It is rarely the technology itself.

  • 1
    Wrong entry point

    You are selling to the technical champion who genuinely likes the product but controls no budget. The economic buyer does not know you exist. The conversation moves forward; the decision stays stuck.

  • 2
    No written criteria before the pilot

    The pilot ends, the report is positive, and then silence. Without measurable criteria agreed before starting, the buyer has no obligation to act. They know this perfectly well.

  • 3
    No active buying trigger

    The problem is identified, interest is real, but nothing forces a decision now. Without a regulatory deadline or concrete financial pressure, cycles stretch indefinitely.

  • 4
    Incompatible timelines

    Your cash runway demands a close in 90 days. Your prospect's internal procurement cycle runs 18 months. This mismatch kills opportunities that could otherwise have closed.

Define your ICP before prospecting anyone

A generic profile like "large industrial companies in France" is useless for active prospecting. You need to go much further. A solid cleantech ICP specifies five concrete things: the real investment capacity of the target, its current regulatory exposure, a single priority geography, an identified buying trigger, and the internal champion's profile with their actual access to budget.

In practice: revenue and capex intensity to confirm the target can actually spend, exposure to CBAM, PFAS, CEE obligations, or SBTi commitments, one priority geography rather than three in parallel, a concrete trigger such as an expiring contract or a published capex announcement, and the right person internally who can actually influence the purchase decision, not just recommend it.

Budget signal vs intent signal

A budget signal shows a company has already allocated capital toward a problem similar to yours. An intent signal shows it is actively seeking a solution right now. Accounts showing both at the same time are your real prospects. The others are market intelligence, not pipeline.

One market worked in depth produces results that no simultaneous multi-country rollout can match with a small team.

Grégory Delaporte, Smarterial Solutions

The 90-day sprint

Here is how we structure the first 90 days with a cleantech startup starting its commercial outreach. The goal: move from zero to a signed letter of intent. Three phases that must follow each other in the right order.

Weeks 1–2
Intelligence before outreach

Two weeks of substantive work before sending a single message. Build a list of 50 to 80 target accounts with a documented hypothesis about why they would buy and when. For each account: who holds the budget, who will champion the project internally, who controls access to the decision-maker. And most importantly, shared connections; that is where warm introductions come from.

Weeks 3–6
Sequencing around warm introductions

A cold email to a sustainability director at an industrial group rarely exceeds 3% response rate. The same request through a shared investor or mutual contact: 30 to 50%. That is the field reality. Build the sequence around warm paths first. Content establishes credibility before you even ask for a meeting.

Weeks 7–12
Turning interest into commitment

After the first meeting, send a one-page executive summary, not a full commercial proposal. Ask for a second meeting with the economic buyer, not the technical champion. And when you discuss a pilot, set the clause: if the agreed criteria are met, the deployment discussion opens within a defined timeframe. Without that clause, you have an interesting conversation, not a deal in progress.

The mistakes that stretch sales cycles

After promising first contacts, two mistakes derail progress more often than any others.

Attacking multiple geographies at once

A small team working France, Germany, and South Korea in parallel ends up with shallow coverage everywhere. Geographic concentration produces something dispersion cannot: a reference site in one city builds credibility for the next conversation in the next, and export markets follow from an established position. Market traction comes from depth, not the number of countries on the list.

Confusing technical validation with commercial validation

TRL 7 means the technology works in representative conditions. It says nothing about the price a buyer will accept, the process through which they will buy, or the margin that will result. These two validations are independent and built through different methods.

Commercial readiness test

Before launching outreach: if a prospect asks you today how much it costs and what the ROI is, do you have a precise, defensible answer? If not, you can hold meetings. But meetings without a price answer do not convert.

Outsource or hire in-house

Recruiting the right commercial profile for a cleantech startup takes 4 to 6 months. Onboarding adds 3 months. Before a serious pipeline builds, add another 6 to 9 months. That is easily 12 to 18 months before the first contract from an internal hire, with all the risk that implies when runway is short.

An outsourced BD partner with the right sector networks can compress that timeline by a factor of three. The real question is not internal versus external; it is: how many months do you have before running out of cash? That answer dictates the model.

You have a TRL 7+ technology but no commercial structure yet?

That is exactly the gap Smarterial fills. Free qualification call, no obligation.

Talk to the team →
MC
Marc Cusset
Co-founder & CEO · Smarterial Solutions

25 years of B2B industrial business development in automotive, aerospace, and process industries. Founded Smarterial to bridge the gap between validated cleantech technologies and industrial markets.