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ACCONSIS is a holistic consulting company based in Munich. For over 60 years, we have been providing companies and wealthy private individuals with personal and trustworthy support.
More than 130 experts in the fields of tax and legal advice, auditing, financing and management consulting know their needs and the constantly changing requirements very well and advise them in five interlinked areas:
In focus: Tax Deadlines 2026 for Businesses
Tax deadlines affect nearly every business – from annual tax returns to VAT and payroll filings as well as financial statement disclosures. Companies that manage deadlines proactively reduce risks, avoid penalties and strengthen planning certainty.
Read our expert insights on how to structure your tax organisation effectively in 2026.
Five consulting areas from a single source
We provide you with interdisciplinary advice in the areas of tax consulting, legal advice, auditing, financing and business consulting with one contact person who coordinates your individual requirements. With us, you will always find exactly the right expert to take care of your needs in a needs-based and solution-orientated manner.
Tax consultancy
Organisational and ongoing tax advice – national and international, preparation of annual financial statements and special balance sheets: Thanks to our diverse expertise, companies and wealthy individuals are always on the safe side when it comes to tax.
Legal advice
We provide legal advice to companies and family businesses, non-profit organisations and private individuals with a focus on commercial and inheritance law. Tax, economic and your personal objectives are always incorporated into our advice.
Auditing
Our independent auditors offer comprehensive security and transparency. With a multidisciplinary consulting approach, we carry out statutory and voluntary audits and support companies with an audit-related consulting portfolio.
Financial advice
We offer customised solutions for individual property financing, commercial property and corporate financing. We always keep an eye on subsidies. You receive independent advice and comprehensive support, customised to your personal and financial goals.
Management consultancy
Whether classic controlling, everything to do with corporate financing or support through difficult times: with our holistic approach, we help to answer questions and solve problems individually.
Topics & Solutions
For current key topics and special service requirements, we pool our interdisciplinary expertise in-house. This allows our clients to benefit from customised and needs-oriented solutions.
Clients
Restricted to certain sectors? Not with us! Whether you are an entrepreneur or a private individual – our experts always have your individual challenges in mind when providing personalised advice.
Clients
Our clients include owner-managed SMEs, internationally operating companies from Germany and abroad, non-profit organisations, start-ups and founders as well as property owners and wealthy private individuals.
About us
ACCONSIS is an integrated consultancy firm based in Munich. Initially under the name of a predecessor company, for some years now as ACCONSIS, the company has been characterised for over 60 years by its trusting and very personal cooperation with well over 3,000 clients.
Team
At ACCONSIS, you are supported by a team of more than 130 experts who form smaller competence teams for specific topics and areas. This means you can be sure that you always have the right expert at your side.
Working at ACCONSIS
If you would like to redefine your professional journey and develop yourself further, you’ve come to the right place. Discover many exciting arguments and current vacancies to become part of our motivated team!
Current expert contributions
Stay well informed with our latest articles from all areas of consulting.
Tax deadlines for 2026: Dates companies need to know
Inheritance law & blended families: how stepchildren inherit
Real Estate Transfer Tax from 2027? Plan Family Structures Now
Events
Would you like to learn about current topics and benefit from personal expert insights? Then join our events (held in German) and gain valuable tips from our speakers.
ACCONSIS Seminar: Vermietungseinkünfte im Fokus
18.05.2026, 18.30 – 20.30 Uhr
ACCONSIS Gastvortrag: Einkünfte aus Vermietung und Verpachtung
23.03.2026 um 18:30 – 20:30 Uhr
