Katharina Koller

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Auditing increases the reliability of your corporate information for all decision-makers - it's all about credibility and trust. This applies to the statutory...

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Audit

We approach each audit with sharp thought, straight talk and common sense. In addition to verifying that financial results are fairly presented and meet...

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Audit of annual and consolidated financial statements
We place particular emphasis on customized solutions and international service and adapt our services to your needs.
Assurance related advisory services
Assurance related advisory services are based on the knowledge and expertise that are the staff of life of our auditors.
Global audit technology
We apply our global audit methodology through an integrated set of software tools known as the Voyager suite.
Accounting related consulting
Accounting in accordance with UGB, US-GAAP or IFRS is in constant motion. The integration of new regulations into their own accounting systems poses special challenges for companies.

Tax

At Grant Thornton, tax is a key part of our organisation and our award-winning teams can offer you a range of solutions, whatever the size of your business or...

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Corporate Tax
We are your problem solvers for corporate tax issues
Restructuring, Mergers & Acquisition
Expertise and creativity for the perfect structure
International Tax
We are here, whenever our clients require our assistance
Transfer pricing
We are your experts for an optimal transfer pricing structure
Indirect Tax & Customs
We take care of your indirect taxes so you can take care of your business
Private Wealth
We are your competent partner in the field of Private Wealth Tax Services
Real Estate Tax
We are a valuable partner at every stage of your property's life
Global Mobility Services
Local roots and global networking as a secret for successful assignment management
Advisor for Advisor
As advisors for advisors, we support in complex situations
Accounting & Tax Compliance Services
Grant Thornton Austria - Your Partner for Experts for Accounting & Tax Compliance Services. In an evolving regulatory landscape, efficient accounting, tax compliance, and financial statement preparation processes are crucial for maintaining an accurate and up-to-date view of your company’s financial position while ensuring compliance with all legal requirements. We provide tailored solutions that not only save your time and resources but also ensure compliance with complex regulations. Our experts are here to support you, allowing you to focus on your core business.
Payroll & People Advisory Services
Ensuring Compliance, Efficiency, and Strategic HR Solutions In an evolving legal landscape, it is crucial for companies of all sizes to have efficient and legally compliant payroll accounting systems. The ever-changing regulations and increasing complexity make this an ongoing challenge. At Grant Thornton Austria, we provide comprehensive, precise payroll processing as part of our Payroll & People Advisory Services. Additionally, we offer customized advisory services to help clients optimise their HR strategy, improve operational efficiency, and minimize potential risks.
Tax Controversy Services
Your Partner when it matters most! In increasingly complex environment and considering frequent changes in tax regulations, businesses are facing intensified scrutiny from tax authorities. This has resulted in a significant rise of complex tax audits, investigations and potential disputes. Our Tax Controversy Services are tailored to help you navigate these challenges proactively and effectively. Our experts will guide you through all stages of tax proceedings, ensuring robust defence of your position and advising you on preventive measures to minimize the risk of future tax disputes.
Tax Technology Services
Your digital partner for an efficient future! In an increasingly digitalised business world, companies must constantly look for optimisations and adjustments to ensure their long-term success. In order to best prepare for the future and to achieve efficiency increases and process optimisations in the digital area, the experts at Grant Thornton Austria are at your side as a reliable partner as part of our Tax Technology Services.

Advisory Services

As your business grows, our advisory services are designed to help you achieve your goals. Successful growth often means navigating a complex array of...

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Valuation
Valuations are a core competence of Grant Thornton Austria. As auditors and tax advisors we combine profound know-how with our practical experience to offer you customized solutions for your valuation assignment. Our industry expertise is based on years of services to our clients, including listed companies as well as owner-managed companies with an international focus. We advise on valuation matters related to arbitration and provide expert opinions.
Forensic Services
When it comes to risks in business, our experts are on hand. We support you not only in suspicious cases or in disputes, but also develop suitable strategies in the area of prevention to avoid serious cases as far as possible. Our Cyber Security team helps you to keep your networks and applications secure and is quickly on hand in the event of a security leak.
Cyber Security
Cyber incidents, IT system failures, the resulting business interruptions and the loss of critical data are one of the greatest business risks for companies. Recent cases underline the need for strategic protection and awareness of the issue and require a holistic approach and technical expertise that takes into account all legislative, regulatory and technical aspects of cyber security to protect companies against the daily increase in cybercrime incidents.
Sustainability Services
Sustainability is no longer a trend, but the only way to create a future worth living. Our experts will support you in successfully developing your sustainability strategy and preparing your sustainability reporting in compliance with regulations.
Transaction Support
We can support you throughout the transaction process – helping achieve the best possible outcome at the point of the transaction and in the longer term.
Merger & Acquisition
Companies start new activities and separate from old ones, cooperate and merge. Markets and competitive conditions are subject to constant and increasingly rapid change. As a result, existing business models are changing. Some companies have to restructure and reorganize. But new business opportunities also open up.
Restructuring & Going Concern Forecast
Restructuring & Going Concern Forecast: Bundled services for your strategic, operational and financial decisions offer the right answers for companies, banks, shareholders and investors.
Internal Audit
Internal Audit helps companies and organisations to achieve their goals by analysing and evaluating the effectiveness of risk management, controls and management and monitoring processes. Internal Audit focuses on independent and objective audit (assurance) and consulting services that improve the value creation and business activities of your company.
Expert dispute resolution & advisory
Grant Thornton Austria offers comprehensive services in the field of business-oriented expert services with a broad range of competencies from banking to communication. The core activity of experts is the objective recording of findings and the preparation of expert opinions - regardless of all external circumstances. Our experts Gottwald Kranebitter and Georg H. Jeitler, as sworn and court-certified experts, ensure that the highest professional standards and the principle of objectivity are observed.
Blockchain and Crypto-Asset
Blockchain as a carrier technology for crypto currencies and smart contracts, among other things, is becoming increasingly important. Grant Thornton Austria offers comprehensive audit and confirmation services for block chain technologies and business models.
Corporate & Brand Strategy
We support you in developing growth strategies for a sustainably successful future and in maximizing the potential of your brand.

Digital

Grant Thornton supports clients on their digital transformation journey. Our experts offer customised cyber security solutions for secure digital assets, use...

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International Services

In addition to our service lines - Audit, Tax, Accounting & Payroll and Advisory - Grant Thornton Austria also offers international services. Our experts...

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International Project Coordination
Our International Engagement Management team is your central point of contact for international projects in all our service lines. We take care of operational project management for you and act as a central point of contact and coordination for your projects. We support companies that start international projects from Austria as well as companies from abroad that want to gain a foothold in Austria or use Austria as a hub for their international projects, especially in the DACH (Germany, Austria and Switzerland) and CEE region.
International Desks
As a member of the Grant Thornton network, we guarantee direct access to resources from our worldwide circle of partners. This global connection enables us to seamlessly integrate highly qualified specialists and industry experts from different countries around the world into our teams. Through our broad perspective and diverse expertise, we ensure that we can optimally meet the individual requirements of our clients in an increasingly globalised economy.

Industries

We combine industry knowledge, expertise and experience Our experts at Grant Thornton Austria serve companies and organisations across Austria in a wide range...

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Energy & Resources

Energy markets worldwide are undergoing major changes. Grant Thornton can help you understand and navigate the challenges, and make sure you have the solutions...

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Financial Services

Optimism is slowly returning to the global economy, but the financial services industry needs to regain the trust of public and private bodies. To succeed,...

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Real Estate & Construction

While the impact of the prolonged downturn continues to be felt, pockets of opportunity and optimism have emerged within the retail estate and construction...

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Not for profit

Across the globe, not for profit organisations are increasingly expected to deliver more, while at the same time facing cuts in government funding and...

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Public sector

Across the globe, countries are moving towards leaner, more commercial, locally focused and responsive government and public sectors. At Grant Thornton, we are...

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Start-Ups

As soon as a start-up grows, it should outsource tasks in order to concentrate on its core competence. This increases productivity. Costs, on the other hand,...

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Technology

Rapid change and complexity are norms, and innovation the fuel in the technology industry. Today’s revolutions – including cloud, as-a-service, social media...

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Tourism, Travel & Leisure

As one of the most important sectors for Austria, tourism contributes a considerable share to value creation. At the same time, the industry is under...

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Katharina Koller is a certified tax advisor since June 2014 and works as a manager in the Outsourcing service line.

She has more than 10 years of practical experience in accounting and tax consulting for various industries such as doctors, lawyers, transport companies, trade, etc. She is an expert in all aspects of taxation.

She focuses on providing comprehensive advice to our clients in tax matters and accounting and is an expert in turnover tax issues as well as the taxation of real estate and capital assets.

Katharina Koller is responsible for and preparing annual financial statements and tax returns for companies and individuals of various sizes and industries.

She holds a master degree in business administration from the Vienna University of Economics and Business Administration. Katharina Koller has been a certified public accountant since 2017.

Qualifications

Languages: German, French English

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Katharina Koller

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