The Venture Codex

Led · Seed · Mar 2026

Founded in 2023 by Valentin Lautier, Homaio operates a platform that structures financial securities physically backed by carbon allowances to give retail investors access to emissions allowance markets. Since its public launch in September 2024, the platform has gained thousands of users across 30 countries. Homaio partners with financial and institutional service providers, including Aether Financial Services (AFS), to protect investors against counterparty risk. The company plans to expand its product scope from European carbon allowances (EUAs) to international emissions pricing and electrification-linked products. Financially, Homaio completed a €3.6M Seed round in March 2026, bringing total funding to over €5M.

Participated · Equity · Jul 2024

Blue Capsule develops high-temperature small modular reactors (SMRs) and is designing an innovative SMR to provide industrial-grade heat for industry. The company is currently in the design phase of its small modular reactor. Recently Blue Capsule secured a €2 million strategic investment. Participating investors named in the report are CEA Investissement, Audacia Co-Investissement, Exergon, and EREN Groupe. The article does not disclose revenue, user metrics, founding year, or location.

Participated · Equity · Mar 2023

ExerGo builds compact thermal networks that transfer heat and cold using CO₂ in a closed system, targeting high-density urban areas. Its CO₂-based approach makes systems up to nine times denser than water-based networks and can cut network installation costs by up to 60%. By harnessing renewable resources and waste heat, ExerGo says customers can save up to 80% in primary energy versus fossil-fuel systems. The startup operates an all-year pilot plant in Sion (Valais, Switzerland) and has multiple commercialization projects in the pipeline. It is expanding services into the real estate market and will present its compact thermal network at RENT to reach industry professionals. Financially, ExerGo completed a €3.2M seed round last year and has secured an additional €1M to accelerate commercialization and market expansion.

Led · Equity · Jul 2019

Orège develops, manufactures and commercializes SLG® solutions for the conditioning, treatment and valorization of municipal and industrial sludges. Its patented SLG® technology reduces sludge volume, modifies physico‑chemical and rheological characteristics and improves sites' carbon footprint. The technology has received multiple awards, including Global Water Intelligence's "technology of the year" (2016) and "most innovative technology" at Utility Week Birmingham (2017). Orège operates from sites in France, the United States, the United Kingdom and Germany and counts Itochu Machine‑Technos Corp as a partner in Japan; it is listed on Euronext Paris. The company plans to use the recent proceeds to finance commercial expansion in the United States, Britain, Germany and Japan and to develop new waste‑to‑energy valorization solutions. Orège reported no current dilutive instruments following the abandonment of stock option plans, though new free share plans planned for 2019 could represent up to 3% of capital post‑issuance. Orège, based in Jouy-en-Josas near Paris, has developed patented wastewater treatment technologies for complex effluents and sludge from the oil & gas, mining, petrochemical and chemical industries. Its patented SOFHYS and patent-pending SLG systems are designed to treat BTEX compounds and dissolved chemical oxygen demand (COD) and to de-watering and de-polluting sludge in a cost-efficient manner. On 12/07/2011 Orège received an €8m private equity financing led by Climate Change Capital Private Equity LP (which contributed €6m) with participation from Oraxys SA. The company intends to use the proceeds to accelerate expansion in France and internationally through investments in mobile SOFHYS and SLG units. It also plans to enrich specific know-how by creating dedicated teams for the oil & gas and chemistry sectors. Orège is led by CEO Pascal Gendrot, employs 40 people, and maintains an R&D facility in Aix-en-Provence.