Callisto advised the management team of Akuo:
2025: acquisition by Ardian from Founders and ICG (Valuation: nd)
References
Since its inception in 2005, Callisto has conducted more than a hundred mandates on behalf of Management teams in transactions of various size, on both primary and secondary Buy-Outs.
Callisto has been exposed to a number of various transaction situations and buyers (french and international investment funds, long term funds, infrastructure funds, industrial buyers etc.).
Callisto is mainly active in France, but also in other European countries.
Hereafter are some references:
All references
Mid cap
Large cap
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Akuo
Akuo Energy is a French company specialized in renewable energy, particularly solar, wind, and biomass
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ADIT
ADIT is a French firm specializing in strategic intelligence, risk management, and international business support
Callisto advised the management team of ADIT:
2025: Opening of the capital to various institutions (Covéa, UI, Florac, Impala, Isalt, Weinberg, etc.) (Valuation: 800M€)
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Egis
Egis is a French engineering and consulting company, specialized in transport infrastructure, urban planning, and ecological transition
Callisto advised the management team of Egis:
2025: Sale by Tikehau to a continuation fund (Valuation: > €2.0bn)
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Serimas
Serimax is a French company specialized in high-performance welding solutions for complex energy sector projects
Callisto advised the management team of Serimax:
2025: acquisition by Aldebaran from Vallourec (Valuation: < 100M€)
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Nexpublica
Nexpublica is a French company specializing in digital solutions and consulting services for the public sector
Callisto advised the management team of Nexpublica (ex- Inetum Software):
2025: acquisition by Bain Capital from Inetum (Valuation: 450M€)
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Lynxeo
Lynxeo is a French company specializing in software solutions for traceability and management of industrial operations
Callisto advised the management team of Lynxeo:
2025: acquisition by Latour from Nexans (Valuation: 525M€)
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Ekoscan
Ekoscan is a French company specializing in ultrasonic inspection solutions for non-destructive testing of materials
Callisto advised the management team of Ekoscan:
2025: acquisition by Eurazeo from Abenex and the Management (Valuation: 250M€)
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Ceva
Ceva Santé Animale is a French veterinary laboratory focused on the research, development, and manufacturing of animal health products
Callisto advised the management team of Ceva:
2025: Capital opening to Archimed and Institut Mérieux (Valuation: > 9 000M€)
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Sulo
Sulo is a French company specializing in waste management and collection solutions, combining innovation and sustainability
Callisto advised the management team of Sulo:
2025: acquisition by Latour Capital Fonds IV from Latour Capital Fonds II (Valuation: 620M€)
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Albingia
Albingia is a French insurance company specialized in business risks and tailored solutions
Callisto advised the management team of Albingia:
2024: acquisition by Krefeld; Fairfax and the Management from Eurazeo (Valuation: 780M€)
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Systra
Systra is a French engineering company recognized for its expertise in rail and urban transport projects
Callisto advised the management team of Systra:
2024: acquisition by Latour from RATP and SNCF (Valuation: 900M€)
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Finaxy
Multi-specialist insurance broker offering tailored solutions for businesses and individuals
Callisto advised the management team of Finaxy:
2024: acquisition by Cinven from Ardian (Valuation: 450M€)
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Septeo
Leading multi-specialist group in software solutions and IT services dedicated to legal, real estate, and business professionals
Callisto advised the management team of Septeo:
2024: Minority investment of GIC and Tethys and partial sale of Hg (Valuation: €3.2bn)
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Magimix
French company pioneering in the design and manufacturing of high-end multifunctional food processors
Callisto advised the management team of Magimix:
2024: Capital opening to Ardian (Valuation: €1.5bn)
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Sessùn
Marseille-based ready-to-wear brand
Callisto advised the management team of Sessùn:
2024: acquisition by Quadrivio from Experienced Capital Partners and the founder (Valuation: between €80m and €100m)
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Asacha Media Group
Creator and producer of audiovisual content
Callisto advised the management team of Asacha Media Group:
2024: Acquisition by Fremantle from Oaktree Capital and the founders (Valuation: between €200m and €250m)
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Courir
Courir is a leading French retailer of sneakers
Callisto advised the management team of Courir:
2024: acquisition by JD Sports from Equistone (Valuation: 520M€)
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Forward Global
Company specialized in managing digital, economic, institutional, and media risks
Callisto advised the management team of Forward Global:
2024: acquisition by Bridgepoint alongside Rives Croissance & Raise as minority reinvestors (Valuation: €210m)
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PAM Building
Production of cast iron pipes for the drainage of rainwater and wastewater
Callisto advised the management team of PAM Building:
2024: acquisition by Aldebaran and BPI France from Saint-Gobain (Valuation: between €60m and €90m)
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Crystal
Crystal is a leader in international wealth management consulting
Callisto advised the management team of Crystal:
2024: entry of Goldman Sachs alongside Management and Seven2 (Valuation: €900m)
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Esker
Cloud platform specialized in process automation and the digitization of management documents
Callisto advised the management team of Esker:
2024: acquisition by CVC leading to a public takeover bid (Valuation: ca. €1,600m)
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Exosens
Exosens is the global leader in the design and manufacturing of electronic components for defense use
Callisto advised the management team of Exosens:
2024: IPO of Exosens (Market capitalization: ca. €1,000m)
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Diam
Diam is a leader in the design, development, production, and installation of merchandising solutions
Callisto advised the management team of Diam:
2024: acquisition by Ardian Expansion from EMZ (Valuation: ca. €500m)
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Harvest
Harvest is a software publisher for wealth management professionals
Callisto advised the management team of Harvest:
2024: acquisition by TA and Montagu from FAPI (Valuation: ca. €500m)