{"id":435,"date":"2026-04-01T21:04:17","date_gmt":"2026-04-01T21:04:17","guid":{"rendered":"https:\/\/trevia.codia.ch\/home\/"},"modified":"2026-06-25T02:57:45","modified_gmt":"2026-06-25T02:57:45","slug":"home","status":"publish","type":"page","link":"https:\/\/trevia.codia.ch\/en\/","title":{"rendered":"Home"},"content":{"rendered":"\t\t
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Modern Fiduciary Services for Businesses and Private Clients<\/h1>\t\t\t\t<\/div>\n\t\t\t\t
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We support you in financial and tax matters, personally, digitally and with a focus on what matters most.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Welcome to Trevia Treuhand AG<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Fiduciary services, tax and advisory in Zurich<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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As a trusted partner, we support businesses and private clients in all financial matters. By embracing a modern and digital approach, we create efficient processes and ensure you always have a clear overview of your financials. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Services<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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We offer comprehensive fiduciary services tailored to your individual needs. From day-to-day support to specialist advice, you benefit from our local network, giving you access to holistic support and all essential services under one roof. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tView Services<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Accounting & Finance<\/h4>\t\t\t\t<\/div>\n\t\t\t\t
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We manage your accounting in a reliable and structured way, ensuring you always have a clear overview of your financials.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tFind out more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Tax<\/h4>\t\t\t\t<\/div>\n\t\t\t\t
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We support you with all tax-related matters and optimise your tax situation with foresight and expertise.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tFind out more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Advisory<\/h4>\t\t\t\t<\/div>\n\t\t\t\t
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We guide you through financial and business decisions and provide clarity on your next steps.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tFind out more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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News<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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Here you will find regular updates on current and relevant topics from the fiduciary sector. The articles provide a concise overview of important developments and regulatory changes. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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07.04.2026<\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t
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UP | DATE 1|2026<\/h1>\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tDownload<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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May I introduce myself?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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Nadja Kellenberger<\/h4>\t\t\t\t<\/div>\n\t\t\t\t
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Certified Finance and Accounting Specialist (Federal Diploma)
Trustee Expert Candidate<\/strong><\/p>


I have more than 20 years of experience in the fiduciary sector and in providing comprehensive support to SMEs and private clients. My areas of expertise include financial and payroll accounting, VAT, annual financial statements and tax advisory services.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tMore about me<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Modern Fiduciary Services for Businesses and Private Clients We support you in financial and tax matters, personally, digitally and with a focus on what matters most. Welcome to Trevia Treuhand AG Fiduciary services, tax and advisory in Zurich As a trusted partner, we support businesses and private clients in all financial matters. By embracing a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-435","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/trevia.codia.ch\/en\/wp-json\/wp\/v2\/pages\/435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trevia.codia.ch\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/trevia.codia.ch\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/trevia.codia.ch\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trevia.codia.ch\/en\/wp-json\/wp\/v2\/comments?post=435"}],"version-history":[{"count":79,"href":"https:\/\/trevia.codia.ch\/en\/wp-json\/wp\/v2\/pages\/435\/revisions"}],"predecessor-version":[{"id":1448,"href":"https:\/\/trevia.codia.ch\/en\/wp-json\/wp\/v2\/pages\/435\/revisions\/1448"}],"wp:attachment":[{"href":"https:\/\/trevia.codia.ch\/en\/wp-json\/wp\/v2\/media?parent=435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}