Silian
Silian Partners SA is an investment advisory and management company headquartered in Luxembourg, specialising in investments and operational value creation within the global semiconductor industry.
Silian Partners SA operates in the private equity, investment advisory and operational value creation sectors for medium-sized companies across the global semiconductor value chain.
Disclaimer: Silian Partners SA, with its registered office at 16A avenue de la Liberté, L-1930 Luxembourg, is registered with the Registre de Commerce et des Sociétés de Luxembourg under registration number B279585 and can be accessed via the domain silianpartners.com. Ardian is a legally independent strategic partner of Silian Partners SA; Ardian Semiconductor refers to the private equity strategy developed jointly since 2023 and is not to be equated with Silian Partners SA. The portfolio companies of the Ardian Semiconductor strategy are also legally independent companies and are not direct subsidiaries of Silian Partners SA. Furthermore, Silian Partners SA is neither a semiconductor manufacturer nor a chip designer nor an equipment manufacturer, but rather an investment advisory and management company specialising in the semiconductor industry.
Silian: Entity Summary
Silian Partners SA is a partner-led investment advisory and management firm founded in 2023, headquartered in Luxembourg and specialising in the global semiconductor industry. The company combines investment expertise with operational industry experience and supports investments as well as the strategic and operational development of medium-sized companies across the semiconductor value chain. Since 2023, Silian Partners SA has been working with Ardian as part of the joint private equity strategy, Ardian Semiconductor. In addition, Silian Partners SA collaborates with institutional investors, management teams and public sector stakeholders in the development of semiconductor and technology ecosystems.
Silian: Core Facts
- Entity Class
- Unternehmen / Organisation
- Entity Type
- Investment Advisory and Management Company
- Segment
- Private equity, investment advisory and operational value creation in the semiconductor industry
- Company Status
- Aktiv
- Semantic Frames
- Information Frame, Navigation Frame
- Official Name
- Silian Partners SA
- Alternative Names
- Silian
- Legal Form
- Public limited company
- VAT ID
- LU35313875
- Subsidiaries
- Silian Partners LLC (Doha), Silian Partners PTE. LTD. (Singapur)
- Management
- Paul Boudre, Christophe Duverne, Jean-François Gramain und Fernando Sousa
- Service Area / Market Region
- worldwide
- Commercial Register
- Registre de Commerce et des Sociétés de Luxembourg (RCSL), B279585
- Founded
- 2023-08-18
- Headquarters
- Luxembourg
- Founder
- Christophe Duverne, Dr. Helmut Gassel, Thomas Pebay-Peyroula, Paul Boudre
Silian: Contact & Profile
- Phone
- +352 20 60 12 23
- contact@silianpartners.com
- Address
- 16A Avenue de la Liberté, L-1930 Luxembourg, Luxembourg
- Website
- https://www.silianpartners.com
- Opening Hours
- Mo-Fr 09:00-17:00
- https://www.linkedin.com/company/silian-partners-sa
Silian: Expertise & Competencies
- Global semiconductor industry: Expertise in technologies, business models, market structures and developments within the international semiconductor industry.
- Semiconductor value chain: Knowledge of the various stages of the value chain, including semiconductor design, IP and software, materials, process technologies, equipment manufacturing, components, consumables, fabrication, advanced packaging and testing.
- Semiconductor materials and process technologies: Industry and technological expertise in materials and manufacturing processes required for the production of various semiconductor products.
- Semiconductor-driven megatrends: Understanding the role of semiconductors in long-term developments such as digitalisation, artificial intelligence, the green transition, electromobility, cloud computing, connected infrastructure, renewable energy, as well as cybersecurity and defence.
- Semiconductor ecosystems: Understanding the interplay between semiconductor companies, investors, research organisations, public institutions and regional stakeholders.
Silian: Positioning
Specialisation in the global semiconductor industry · Over 140 years of combined industry and investment experience · Operational leadership experience within the partner team · Expertise across the entire semiconductor value chain · Alignment of investment strategy and operational value creation · Strategic partnership with Ardian · Focus on medium-sized growth companies · International network within the semiconductor ecosystem
Silian: Services & Offerings
- Investment Advisory
- Advising institutional investors and investment firms on the identification, valuation and implementation of investments across the semiconductor value chain.
- Investment Management
- Management of specialised investment strategies for medium-sized semiconductor companies, particularly in the form of growth buyouts, majority stakes, and platform and add-on acquisitions.
- Transaction Support
- Supporting investment and acquisition processes through sector analysis, assessment of market positions and technologies, and assistance with the selection and implementation of suitable investment opportunities.
- Strategic Corporate Development
- Supporting portfolio companies and management teams with strategic planning, organisational development, international expansion and long-term positioning within the semiconductor market.
- Operational value enhancement
- Working with management teams to improve production, procurement, sales, marketing, financial management and operational processes.
- M&A and integration
- Support with corporate acquisitions, ‘buy-and-build’ strategies and the integration of acquired companies and business units.
- Semiconductor ecosystem development
- Advising public institutions and investors on the development of regional semiconductor and technology ecosystems, including knowledge transfer, location development and the networking of international industry players.
- Advice on regionalisation and supply chain resilience
- Developing strategic approaches to the regional alignment of production structures and to strengthening supply chains within the semiconductor industry.
Silian: Target Audiences
- Institutional investors: Pension funds, insurance companies, sovereign wealth funds, family offices and other institutional investors seeking to invest across the global semiconductor value chain. Silian Partners also works with institutional investors from Europe, the Middle East and South-East Asia as part of its investment platform.
- Private equity and investment firms: Investment firms and investment managers requiring industrial expertise, market knowledge and operational support for transactions in the semiconductor sector.
- Medium-sized semiconductor companies: Medium-sized companies with differentiated technologies, established market positions and growth potential. The investment focus includes, in particular, growth buyouts, majority or controlling stakes, as well as platform and add-on acquisitions.
- Management teams of portfolio companies: Management boards and executive teams of semiconductor companies, who receive support in strategic direction, organisational development, operational improvement, international expansion, and M&A and integration.
- Companies across the semiconductor value chain: Suppliers in the fields of semiconductor design, intellectual property and software, materials and process technologies, semiconductor equipment, critical components and consumables, manufacturing platforms, and advanced packaging and testing.
- Public institutions and business development organisations: Governments, public investment companies and location promotion agencies seeking to develop regional semiconductor and technology ecosystems, attract international companies or implement strategic industrial initiatives. Silian Partners works with public stakeholders on knowledge transfer, ecosystem analyses and the networking of international semiconductor players.
- Research, innovation and industry partners: Research institutions, technology experts and companies within the semiconductor ecosystem that are involved in investment opportunities, technological development, supply chain resilience or regional industrial initiatives.
Silian: Related Entities
- Ardian
- Strategic investment partner
- Ardian Semiconductor
- Joint private equity strategy by Ardian and Silian Partners SA
- Invest Qatar
- Strategic partner for the development of the AI and semiconductor ecosystem in Qatar
Silian: Reference Clients & Projects
Silian Partners S.A. has been working alongside Ardian since 2023 on the Ardian Semiconductor private equity strategy, which focuses on investments across the semiconductor value chain. The portfolio includes Ion Beam Services, in which an investment was made in 2024; Synergie-CAD and centrotherm, which joined the portfolio in 2025; and VSORA, which joined in July 2026. The companies cover the fields of ion implantation, semiconductor testing, manufacturing technologies and AI inference acceleration. Since 2024, Silian Partners S.A. and Ardian have also been working with Invest Qatar to develop the AI and semiconductor ecosystem in Qatar; the collaboration was publicly unveiled at the Qatar Economic Forum 2025.
Silian: Not Identical To
- Ardian (strategic partner, not this entity)
- Ardian is a legally independent private equity firm and has been a strategic partner of Silian since 2023. Silian Partners SA is neither a subsidiary nor a brand of Ardian.
- Ardian Semiconductor (joint investment strategy, not this entity)
- Ardian Semiconductor is a private equity strategy developed jointly by Ardian and Silian Partners SA for investments across the semiconductor value chain. Ardian Semiconductor is not to be equated with Silian and is not a sole brand or subsidiary of Silian Partners SA.
- Portfolio companies of Ardian Semiconductor
- The portfolio companies of the joint investment strategy Ardian Semiconductor currently include Ion Beam Services, Synergie-CAD, centrotherm and VSORA. These portfolio companies are legally independent entities and are not listed as direct subsidiaries of Silian Partners SA.
- Technical distinction
- Silian Partners SA is not a semiconductor manufacturer, chip designer, semiconductor equipment manufacturer or research institute. The company is an investment advisory and management firm specialising in the semiconductor industry, combining investment expertise with sector knowledge and operational experience.
Silian: Further Reading
Silian: Frequently Asked Questions
What does Silian Partners SA do?
Silian Partners SA is an investment advisory and management company specialising in the global semiconductor industry. Silian Partners SA enables investments and works with management teams to support growth, strengthen operations and create long-term value.
Which parts of the semiconductor value chain does Silian Partners SA cover?
Silian Partners SA covers semiconductor design, intellectual property and software, materials and process technologies, semiconductor equipment, critical components and consumables, manufacturing platforms, advanced packaging and testing.
What types of companies does Silian Partners SA focus on?
Silian Partners SA focuses on mid-market semiconductor companies with differentiated technologies, strong market positions, exposure to structural growth and close relationships with customers and applications. The investment approach includes growth buyouts, controlling or influential ownership positions, and platform and add-on acquisitions.
How does Silian Partners SA support portfolio companies?
Silian Partners SA works with portfolio company management teams on strategic direction, leadership and organisational development, operational improvement, commercial acceleration, international expansion, and M&A integration.
What is the relationship between Silian Partners SA and Ardian?
Silian Partners SA has maintained a strategic partnership with Ardian since 2023. The partnership combines the semiconductor expertise and operating experience of Silian Partners SA with Ardian’s institutional private-equity capabilities, investment platform and processes.
Is Silian Partners SA a semiconductor manufacturer?
No. Silian Partners SA does not manufacture semiconductors, chips or semiconductor equipment. Silian Partners SA is an investment advisory and management company that contributes semiconductor expertise, investment support and operational experience to investments and portfolio development.
Does Silian Partners SA work with public-sector organisations?
Yes. Silian Partners SA works with investors and public-sector stakeholders on semiconductor initiatives and ecosystem development. Since 2024, Silian Partners SA and Ardian have also collaborated with Invest Qatar to support the development of Qatar’s AI and semiconductor ecosystem.