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2026 Edition
Outstanding
Highly recommended
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Outstanding
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Recognised
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Outstanding
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Recognised
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Highly recommended
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Overview
Established in 2014 and headquartered in Hanoi, ATS Law Firm operates across a full range of practice areas including M&A, labour and employment, taxation, banking, capital markets, real estate and construction. The firm shows particular strength in advising foreign companies on entering the Vietnamese market through M&A, although it also has an extensive track record of advising state enterprises, NGOs, leading conglomerates and other foreign investors. The firm is well versed in providing strategic advisory on local regulation. Over the years, the firm has also formed many important relations with local, national and international organisations. Managing partner Vu Thi Thu Ha is the main contact. Nga Thi Pham joined the firm as counsel in April 2025.
Client feedback
"This case involved a complex combination of contractual obligations, corporate governance, minority shareholder rights, and potential disputes, requiring careful navigation. With ATS's support, after several rounds of negotiation, the client and their partner finally reached an agreement on the share price and are currently in the process of transferring. By providing strategic legal counsel, ATS helped secure a fair and balanced agreement that addressed the key concerns surrounding ownership, voting rights, and share purchase terms. With the successful resolution of the core issues and ongoing support from ATS, the client is now positioned for a smooth and favourable transition as the share transfer process progresses." – Capital markets
"Experienced in mediation and dispute resolution." – Dispute resolution
"They study the dossier with us, draft official letters to resolve the problem, and are very active in coordinating and supporting clients. The case was ultimately resolved successfully." – Dispute resolution
"Their lawyers likely mapped out the dispute with a strong plan, anticipating counterarguments and preparing evidence effectively. They are skilled at presenting arguments persuasively, which contributed to our favourable outcome." – Labour and employment
Ha Thi Thu Vu
"A managing partner with strong character and extensive experience who leads the firm with conviction."
"Ready to support clients, resolves tasks quickly, and advises well."
"Vu's strengths in dispute resolution and HR management played a central role in achieving a positive outcome. Her ability to combine legal precision with practical business insight is exactly what makes her stand out."
Client feedback
"This case involved a complex combination of contractual obligations, corporate governance, minority shareholder rights, and potential disputes, requiring careful navigation. With ATS's support, after several rounds of negotiation, the client and their partner finally reached an agreement on the share price and are currently in the process of transferring. By providing strategic legal counsel, ATS helped secure a fair and balanced agreement that addressed the key concerns surrounding ownership, voting rights, and share purchase terms. With the successful resolution of the core issues and ongoing support from ATS, the client is now positioned for a smooth and favourable transition as the share transfer process progresses." – Capital markets
"Experienced in mediation and dispute resolution." – Dispute resolution
"They study the dossier with us, draft official letters to resolve the problem, and are very active in coordinating and supporting clients. The case was ultimately resolved successfully." – Dispute resolution
"Their lawyers likely mapped out the dispute with a strong plan, anticipating counterarguments and preparing evidence effectively. They are skilled at presenting arguments persuasively, which contributed to our favourable outcome." – Labour and employment
Ha Thi Thu Vu
"A managing partner with strong character and extensive experience who leads the firm with conviction."
"Ready to support clients, resolves tasks quickly, and advises well."
"Vu's strengths in dispute resolution and HR management played a central role in achieving a positive outcome. Her ability to combine legal precision with practical business insight is exactly what makes her stand out."
Linked Reviews
Construction (asialaw)
Work highlights
Advising Vaude Vietnam Company in a construction payment dispute and defective work claim arising from contracts for the construction of a factory and related works. The dispute stems from a contractor's failure to complete works during the COVID-19 pandemic, resulting in significant defects and additional costs incurred by the client in engaging a replacement contractor. Following the contractor's initiation of court proceedings, the firm is actively managing the litigation on behalf of the client, including the preparation and submission of a counterclaim seeking compensation for damages and delays, while simultaneously exploring negotiation strategies to achieve an early resolution. The case reflects the complex interplay between contractual performance obligations, force majeure considerations, and defective works liability under Vietnamese construction law.
Advising Vaude Vietnam Company in a construction payment dispute and defective work claim arising from contracts for the construction of a factory and related works. The dispute stems from a contractor's failure to complete works during the COVID-19 pandemic, resulting in significant defects and additional costs incurred by the client in engaging a replacement contractor. Following the contractor's initiation of court proceedings, the firm is actively managing the litigation on behalf of the client, including the preparation and submission of a counterclaim seeking compensation for damages and delays, while simultaneously exploring negotiation strategies to achieve an early resolution. The case reflects the complex interplay between contractual performance obligations, force majeure considerations, and defective works liability under Vietnamese construction law.
Labour and employment (asialaw)
Work highlights
Advising Roedl & Partner Vietnam in a labour dispute arising from the termination of employment following the cessation of its branch operations and organisational restructuring in Vietnam. The matter required careful navigation of the intersection between Vietnamese labour law, foreign branch licensing regulations, and the practical consequences of license expiry — presenting a nuanced legal challenge that went beyond a straightforward employment dispute. The firm successfully defended the client at first instance, with the court rejecting all claims brought by the former employee and confirming the legality of the termination. The case is currently at the appellate stage, with the firm continuing to represent the client's interests before the court. The matter demonstrates the firm's ability to manage complex cross-disciplinary employment disputes involving foreign enterprises operating in Vietnam.
Advising Roedl & Partner Vietnam in a labour dispute arising from the termination of employment following the cessation of its branch operations and organisational restructuring in Vietnam. The matter required careful navigation of the intersection between Vietnamese labour law, foreign branch licensing regulations, and the practical consequences of license expiry — presenting a nuanced legal challenge that went beyond a straightforward employment dispute. The firm successfully defended the client at first instance, with the court rejecting all claims brought by the former employee and confirming the legality of the termination. The case is currently at the appellate stage, with the firm continuing to represent the client's interests before the court. The matter demonstrates the firm's ability to manage complex cross-disciplinary employment disputes involving foreign enterprises operating in Vietnam.
Tax (asialaw)
Work highlights
Advising Roedl & Partner Vietnam in defending against a professional negligence and compensation claim brought by a former client following a tax inspection that resulted in significant administrative penalties. The matter arose from a long-term advisory engagement under which Roedl provided financial accounting and tax compliance services, and raises fundamental questions around the scope of external consultant liability, contractual risk allocation, and the boundaries of professional responsibility under Vietnamese law. The firm conducted a comprehensive review of the contractual framework and engagement history, developed a litigation defence strategy, and assisted in preparing a formal response to the compensation demand. With court proceedings anticipated, the firm is actively advising on pre-litigation positioning to ensure the client is well-prepared to defend its interests. The case carries broader significance for professional services firms operating in Vietnam, particularly in clarifying the legal boundaries of consultant liability in tax advisory engagements.
Advising Roedl & Partner Vietnam in defending against a professional negligence and compensation claim brought by a former client following a tax inspection that resulted in significant administrative penalties. The matter arose from a long-term advisory engagement under which Roedl provided financial accounting and tax compliance services, and raises fundamental questions around the scope of external consultant liability, contractual risk allocation, and the boundaries of professional responsibility under Vietnamese law. The firm conducted a comprehensive review of the contractual framework and engagement history, developed a litigation defence strategy, and assisted in preparing a formal response to the compensation demand. With court proceedings anticipated, the firm is actively advising on pre-litigation positioning to ensure the client is well-prepared to defend its interests. The case carries broader significance for professional services firms operating in Vietnam, particularly in clarifying the legal boundaries of consultant liability in tax advisory engagements.