Keiron Printing Technologies: The Machine Works. Now Comes the Hard Part.

1. Why This Company Matters

Electronics manufacturing has a dirty secret. For decades, the industry has accepted that solder paste printing, the process of depositing microscopic amounts of conductive paste onto printed circuit boards before components are placed, will fail roughly 40% of the time on the first pass. That is not a typo. Industry-standard first-pass yield hovers around 60%. The rework, scrap, and downtime that follow from those failures cost billions annually in a global electronics assembly market worth well over half a trillion euros.

Keiron Printing Technologies, an Eindhoven-based spin-out from TNO Holst Centre, has built a machine that claims to fix this. Its HF2 LiFT Printer replaces three separate systems, stencil printer, jet printer, and solder paste inspection machine, with a single laser-guided, fully digital platform. No stencils. No consumables. First-pass yield above 95%.

In July 2026, the company closed a €20.7 million Series A, co-led by Invest-NL, DeepTechXL, and Waves Capital, to scale production and expand globally. The round is a strong vote of confidence. But the story that matters now is not about funding. It is about what Keiron must do next: turn a working machine into a working company.

2. The Path So Far

Keiron's technology journey began in 2012, when researchers at TNO Holst Centre, a collaboration between the Netherlands Organisation for Applied Scientific Research and the Belgian imec, started exploring Laser-Induced Forward Transfer for electronics manufacturing. LiFT uses pulsed laser energy to transfer tiny amounts of material from a carrier onto a substrate, without physical contact. It is fast, precise, and digital: every deposit can be individually controlled and measured.

The company itself was founded in 2019 by a young team including Marco van Hoorn, Jimmy Sy-A-Chin, Stefan van Waalwijk van Doorn, and Prakhyat Hejmady. Their original vision was expansive: a laser direct-write platform that could print almost any material on almost any substrate, at speeds an order of magnitude faster than nozzle-based alternatives.

The vision was compelling. But the path to market was long. Between 2019 and 2022, the company refined its technology, built partnerships with ASML and VDL, and began narrowing its focus toward the single most economically painful problem in PCB assembly: solder paste printing.

In 2022, Paul Rooimans joined as Chief Commercial Officer, bringing 35-plus years of electronics manufacturing industry experience. By 2024, Rooimans was CEO. Richard van Lieshout, a semicon system architect with 30 years of experience, joined as CTO in 2023. John Willems, another machine-development veteran, became COO the same year. The original founding team transitioned out. The company had, in effect, been re-founded by industry veterans who knew exactly which problem to solve and how to sell into conservative manufacturing environments.

A €10 million seed round in 2025-2026 funded the launch of the HF2. The company debuted at Productronica 2025 in Munich and APEX 2026 in Anaheim. It won the Global SMT Award and the NPI Award for breakthrough printing technology. And by mid-2026, it had more than 30 systems on order from customers in Europe and the United States.

3. Where Keiron Sits on the Commercialisation Journey

Keiron occupies a specific and well-understood inflection point in the life of a deep-tech hardware venture. It has crossed from "the technology works in a lab" to "the technology works in a customer's facility." But it has not yet crossed from "we can build a few machines" to "we can manufacture, sell, and support machines profitably at scale."

The evidence for the first transition is strong. VDL TBP Electronics, a respected electronics manufacturer, has publicly endorsed the HF2. Industry awards and trade show receptions suggest the machine's performance claims are credible. The 30-plus orders, with deliveries already underway, indicate that at least a segment of the market is willing to pay.

The evidence for the second transition is still being built. Keiron employs roughly 30 people, most of them in Eindhoven. Scaling to fulfil 30-plus orders, and to support installed machines across Europe, North America, and eventually Asia-Pacific, will require manufacturing engineering, supply chain management, field service, application engineering, and quality systems that likely exceed the company's current organisational capacity. This is not unusual. It is the defining challenge of hardware commercialisation.

4. Why Keiron Has Reached This Point

Three factors explain Keiron's position.

A real and expensive problem creates real demand pull. Solder paste printing defects are not a theoretical concern; they are a daily operational cost for every electronics manufacturer. Keiron's value proposition, one machine instead of three, 95% yield instead of 60%, zero consumables, addresses a quantifiable economic pain point. This is not a technology looking for a market. The market has been living with the problem for decades and waiting for a solution.

The Eindhoven ecosystem is a genuine competitive moat. Ten years of publicly funded research at TNO Holst Centre de-risked the core physics before Keiron had to raise its first euro of venture capital. The High Tech Campus provides proximity to ASML's supplier network, a deep pool of precision engineering talent, and institutional investors, Invest-NL, DeepTechXL, TNO Ventures, who understand long-cycle hardware development. Few places in Europe can offer this density of capability for a company building precision capital equipment. This is not a moat Keiron built; it is a moat Keiron inherited. But it is real, and it is durable.

Commercial discipline was applied at the right moment. The decision to narrow from "print anything on anything" to "print solder paste on PCBs" transformed a broad research ambition into a focused product. That discipline, choosing a single beachhead market with a clear economic problem, is what turned LiFT from a technology platform into the HF2, a machine with customers and orders.

5. Four Big Challenges for the Next Phase

Challenge 1: Manufacturing at volume.

The gap between building a handful of machines in Eindhoven and manufacturing 30-plus units for customers in multiple countries is substantial. Every HF2 shipped will be judged on its performance from day one. A single unit that underperforms at a reference customer will be discussed at industry events, in procurement meetings, and on factory floors. In a conservative industry where trust is built over years, early reliability is existential.

The supply chain for precision laser systems, positioning stages, and integrated metrology is complex. Quality control must catch issues before machines leave Eindhoven, because fixing them in a customer's factory in North America or Asia is far more expensive, in money and in reputation.

Challenge 2: Building the organisation, not just the leadership team.

Rooimans, van Lieshout, and Willems are exceptional individual leaders. So are Darren Wallas in the UK and Brian Duffy in North America. But a company that runs on the instincts of five senior people is a company with a hard ceiling. As Keiron scales toward 60, 80, or 100 people, it needs middle management, documented processes, escalation paths, quality systems, and a culture that can absorb new hires without diluting the standards that the current team sets by example.

The departure of the original founding team, while understandable in a maturing hardware venture, also means there is no internal continuity from the early technology development years. Institutional knowledge lives in TNO, not inside Keiron. The company will need to build its own.

Challenge 3: From selling machines to selling outcomes.

Keiron's current business model is straightforward: sell the HF2 as a capital equipment purchase. The company has stated a longer-term ambition to move toward pay-per-use, which would align Keiron's incentives with customer uptime and create recurring revenue. This is a sound strategic direction, but it is not a near-term priority. Before any manufacturer will pay per print, they need to trust that the printer will keep printing, and that trust is earned through years of reliable performance under a conventional sales and service model.

The risk is not that pay-per-use is the wrong model. It is that talking about it publicly before the base business is proven can create expectations the company is not yet ready to meet.

Challenge 4: Managing expectations while maintaining ambition.

Keiron markets itself as a revolution. Its CEO talks about removing a problem the industry has lived with for decades, not patching it. The vision statement describes a future of "fully autonomous and self-sustaining electronics manufacturing." These are powerful narratives that attract talent, customers, and investors.

But Keiron today ships one machine for one process step in a complex assembly line. The distance between the current reality and the stated vision is substantial. Managing that gap, keeping the ambition that attracts resources while being honest about the incremental, operational work of the next two to three years, is a communication and leadership challenge.

6. A Patient Growth Agenda

Keiron does not need a radical strategic pivot. It needs a disciplined, operational growth phase.

Deliver the 30-plus orders first. This is the single most important priority for the next 18 months. Every machine that ships on time and performs to specification is a reference that compounds. Every machine that does not is a liability that subtracts. The Series A should be treated as manufacturing and delivery capital, not as an R&D budget for the next platform.

Build quality and service as a differentiator, not an afterthought. Keiron's integrated SPVM inspection system is a genuine technical advantage. But quality in capital equipment is as much about field service, spare parts availability, and customer support responsiveness as it is about in-machine metrology. Investing early in service infrastructure, before customers complain, is cheaper than fixing a reputation after the fact.

Grow the organisation deliberately. The next wave of hiring should focus on manufacturing engineers, quality managers, supply chain specialists, and field service technicians, not on expanding the leadership team or adding layers of business development. The gap between 30 and 60 people should be filled with the roles that make machines and support customers, not with roles that write strategy documents.

Let the business model evolve naturally. Pay-per-use is a credible destination, but it is a long-term one. In the near term, demonstrating that the HF2 delivers the claimed ROI under a conventional sale model, and publishing the case studies to prove it, builds the trust that any future business model transition will need.

7. Implications for the Dutch and European Deep-Tech Ecosystem

Keiron is a test case for the Dutch deep-tech investment thesis. The ingredients are all there: publicly funded research, a world-class regional cluster, experienced industrial leadership, and patient capital from mission-aligned investors. If this combination cannot produce a globally competitive precision equipment company, it is worth asking what else is missing.

But Keiron also illustrates the limits of that thesis. The funding rounds, the ecosystem support, and the technology validation can get a company to the starting line of commercialisation. What happens after, manufacturing, quality, support, organisation-building, depends on execution that no investor can provide and no research institute can subsidise.

For ROMs, development agencies, and policymakers watching the Dutch semicon and advanced manufacturing space, the Keiron story over the next two years offers a live case study in what the gap between innovation policy and industrial scaling actually looks like. The policy conversation often ends at "we funded the spin-out" or "we closed the Series A." The harder, less visible work of turning a machine into a company happens after.

*Growth Lantern analyses the commercialisation journeys of technology ventures, examining the transitions that determine whether promising innovation becomes a sustainable business.