2026-09-17 — The Stirling company pairs an £11.7m Series B led by the Scottish National Investment Bank with an £11m Scottish Enterprise grant, a structure…
iGii, the Stirling-based advanced materials company formerly known as Integrated Graphene, announced on 16 September 2026 that it has secured £22.7 million, or about €26.5 million. The company is led by chief executive Jean-Christophe Granier and manufactures electrodes for human diagnostics and energy markets.
The package has two halves. An £11.7 million Series B was led by the Scottish National Investment Bank, with PXN Ventures and Archangels participating. Alongside it sits an £11 million grant from Scottish Enterprise. That makes roughly half the money non-dilutive, and it follows an £8.8 million round in June 2024 in which the Scottish National Investment Bank put in £4 million and Archangels and Par Equity a combined £4.8 million.
The technology is Gii, a three-dimensional porous carbon nanomaterial that the company grows at room temperature and says is scalable to industrial volumes. Named target applications are multi-analyte sensing, microheaters and flexible printed battery electrodes. Room-temperature growth is the commercially relevant detail here, because it is what separates a laboratory carbon material from one a contract manufacturer can put on a line.
The money goes to commercialisation and industrial adoption, broadening the application set and scaling manufacturing capacity to supply major manufacturers. Headcount is 55 and the company expects around 70 by year end. “Every industrial revolution has been enabled by a breakthrough in materials, and this funding means iGii can help enable the next one,” said Granier. Adrian Gillespie, chief executive of Scottish Enterprise, said the technology is “an exciting, sustainable and scalable alternative to constrained raw materials which will help build resilience in global supply chains.”
Why it matters for AgTech founders: two things are worth taking from this. First, the capital structure. A materials company with a long path to volume raised half its money without selling equity, from a public agency, and the equity half was led by a public investment bank rather than a generalist fund. European AgTech founders with a similar shape, meaning slow hardware, real capex and a diffuse first market, tend to underuse this route and over-index on venture rounds that price the risk badly. Second, the application choice. iGii is not selling a nanomaterial, it is selling electrodes into two named markets. Ag diagnostics sits one step away from the same list, because cheap printed multi-analyte electrodes are the binding constraint on in-field soil, milk and pathogen testing, and nobody has made them at an agricultural price point. If you are building a platform with five plausible verticals, the lesson is to name two and let the others wait.
iGii raises £22.7m to scale its carbon nanomaterial, with half the package non-dilutive
The Stirling company pairs an £11.7m Series B led by the Scottish National Investment Bank with an £11m Scottish Enterprise grant, a structure worth studying for any European hard-tech founder.
iGii, the Stirling-based advanced materials company formerly known as Integrated Graphene, announced on 16 September 2026 that it has secured £22.7 million, or about €26.5 million. The company is led by chief executive Jean-Christophe Granier and manufactures electrodes for human diagnostics and energy markets.
The package has two halves. An £11.7 million Series B was led by the Scottish National Investment Bank, with PXN Ventures and Archangels participating. Alongside it sits an £11 million grant from Scottish Enterprise. That makes roughly half the money non-dilutive, and it follows an £8.8 million round in June 2024 in which the Scottish National Investment Bank put in £4 million and Archangels and Par Equity a combined £4.8 million.
The technology is Gii, a three-dimensional porous carbon nanomaterial that the company grows at room temperature and says is scalable to industrial volumes. Named target applications are multi-analyte sensing, microheaters and flexible printed battery electrodes. Room-temperature growth is the commercially relevant detail here, because it is what separates a laboratory carbon material from one a contract manufacturer can put on a line.
The money goes to commercialisation and industrial adoption, broadening the application set and scaling manufacturing capacity to supply major manufacturers. Headcount is 55 and the company expects around 70 by year end. “Every industrial revolution has been enabled by a breakthrough in materials, and this funding means iGii can help enable the next one,” said Granier. Adrian Gillespie, chief executive of Scottish Enterprise, said the technology is “an exciting, sustainable and scalable alternative to constrained raw materials which will help build resilience in global supply chains.”
Why it matters for AgTech founders: two things are worth taking from this. First, the capital structure. A materials company with a long path to volume raised half its money without selling equity, from a public agency, and the equity half was led by a public investment bank rather than a generalist fund. European AgTech founders with a similar shape, meaning slow hardware, real capex and a diffuse first market, tend to underuse this route and over-index on venture rounds that price the risk badly. Second, the application choice. iGii is not selling a nanomaterial, it is selling electrodes into two named markets. Ag diagnostics sits one step away from the same list, because cheap printed multi-analyte electrodes are the binding constraint on in-field soil, milk and pathogen testing, and nobody has made them at an agricultural price point. If you are building a platform with five plausible verticals, the lesson is to name two and let the others wait.
