Pictet and Tretor enter strategic partnership for the long-term development of the Swiss accounting services industry
The Group will support SMEs across Switzerland as a trusted partner in all areas of accounting services – from accounting and tax advisory to auditing and interim CFO services – and will operate based on an entrepreneurial model. The group will actively add further partners who share the values of highest quality, sustainable development, and strong local client relationships
The Swiss accounting sector is highly fragmented and characterised by numerous regional firms with strong entrepreneurial cultures. At the same time, challenges continue to grow in the areas of digitalisation and AI, talent acquisition, compliance, and quality assurance – particularly for small and medium‑sized companies.
The group will help to address these issues by creating a platform to bring together locally rooted accounting services firms while giving them access to centralised resources and state‑of‑the‑art technology, aiming to strengthen the advantages of local and regional accounting services companies. The platform will bundle central functions – such as talent development, digitalisation/artificial intelligence, IT, controlling, and quality management – to reduce costs and provide access to new customers.
This is designed to give the individual partner firms more freedom to focus on their core task: being the local trusted advisor for all accounting, tax, audit and legal issues. Clients, in turn, will benefit from a broader range of services, deeper specialist expertise, greater use of digital tools, and coverage across all of Switzerland.
Nikolaus Hubmann, Head of DACH Direct Private Equity at Pictet Alternative Advisors, said: “The accounting services market is undergoing structural change, creating major challenges but also new opportunities for all stakeholders. Our partnership with Tretor aims to build a leading Swiss accounting services group that combines quality, continuity, and modernisation. We are intentionally investing for the long term and are looking for entrepreneurs who want to shape the future of the accounting services sector with us. The combination of local expertise and central excellence creates the foundation for sustainable growth and strong added value for SMEs throughout Switzerland.”
Adrian Schaller, Managing Partner at Tretor, added: “We experience every day how important we are as a local point of contact for SMEs in all matters related to accounting, tax, audit and legal issues. With Pictet, we have found a partner who shares our conviction that sustainable development is only possible when local entrepreneurial freedom and long‑term thinking are preserved. Together, we aim to build a group that enables us to foster young talent and support our clients even better.”
Note to editors
About Pictet Group and Pictet Alternative Advisors
The Pictet Group is a partnership of owner-managers, with principles of succession and transmission of ownership that have remained unchanged since foundation in 1805. It offers only wealth management, asset management, alternative investment solutions and related asset services. The Group does not engage in investment banking, nor does it extend commercial loans. With CHF 757 (EUR 813, GBP 710, USD 955) billion in assets under management or custody at 31 December 2025, Pictet is today one of the leading Europe-based independent wealth and asset managers for private clients and institutional investors.
Founded and headquartered in Geneva, Switzerland, Pictet today employs around 5,500 people. It has 31 offices worldwide, in Amsterdam, Barcelona, Basel, Brussels, Dubai, Frankfurt, Geneva, Hong Kong, Lausanne, Lisbon, London, Luxembourg, Madrid, Milan, Monaco, Montreal, Munich, Nassau, New York, Osaka, Paris, Rome, Shanghai, Singapore, Stuttgart, Taipei, Tel Aviv, Tokyo, Turin, Verona and Zurich.
Pictet Alternative Advisors (PAA) is an independent unit within the Pictet Group that manages investments in hedge funds, private equity, private debt and real estate assets for both private and institutional clients. Pictet employs circa 200 alternative investment specialists and manages USD 54 billion in alternative strategies, with USD 31 billion in private equity (as of 31 December 2025). Having invested in private equity since 1989, Pictet Alternative Advisors’ Direct Private Equity team is focused on buying majority stakes in entrepreneur-led and family-owned businesses with proven resilience and high growth potential.
About Tretor
TRETOR AG is a leading accounting services company based in Liestal, with a branch office in Basel, and is one of the long-standing service providers for accounting services, auditing, as well as corporate and tax consulting in Northwestern Switzerland.
©TRETOR AG
With over 50 employees, TRETOR AG looks back on a successful history. The company was founded more than 30 years ago. Since then, the pursuit of entrepreneurial opportunities has shaped the company’s thinking and actions - always under the premise of a long-term corporate philosophy.
With its interdisciplinary teams, TRETOR AG primarily serves small and medium-sized enterprises (SMEs) across all sectors, start-ups, medical institutions, and public organizations. The focus is on individual, practical solutions and on building long-term, partnership-based relationships with its clients.
The range of services includes, among others, accounting, auditing, tax consulting, company formations, restructurings, interim management in the financial sector, and succession planning. As part of an international network of consulting and auditing firms, TRETOR AG combines local market knowledge with international expertise and also supports clients with cross-border issues.
