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Due Diligence

Introduction

What is corporate due diligence?

Corporate due diligence is an in-depth investigation of a target company aimed at verifying representations and identifying potential risks related to governance, regulatory compliance, operations, finance, IP, ESG, and more. It is most commonly conducted in the context of mergers and acquisitions (M&A).

What specific areas does legal due diligence cover?

Legal due diligence, typically the most comprehensive part, includes:

  • Corporate Governance: Board, shareholders, internal policies, and group structure.
  • Regulatory Compliance: Adherence to laws across applicable jurisdictions.
  • Contracts: Key agreements with customers, suppliers, partners, employees, and others.
  • IP Rights: Ownership, registration, enforcement, and infringement risks.
  • ESG Compliance: Environmental, Social, and Governance practices and alignment with mandatory regulations.

What is the process of corporate due diligence?

The corporate due diligence process generally involves three key stages:

Defining the Due Diligence Questionnaire (DDQ)

Buyers and sellers first agree on the scope of the review, the specific areas to be examined, the timeline, and the associated costs. This framework is typically prepared by experienced corporate lawyers to ensure all critical issues are addressed.

Information Gathering:

The legal team obtains access to relevant corporate documents, while financial, operational, and other specialist teams collect and review data within their respective domains.

Analysis and Reporting

All findings are consolidated into a comprehensive due diligence report, which highlights potential risks, recommends remedial actions, and serves as a key reference for negotiations and strategic decision-making.

The Importance of Legal Due Diligence

A robust legal due diligence process is essential because it:

  • Reveals hidden liabilities and compliance gaps that may not be evident in financial reports.
  • Strengthens negotiation power, enabling buyers to secure indemnities, adjust pricing, or require corrective actions.
  • Provides an independent, expert assessment of structural, contractual, regulatory, and strategic risks—helping you make informed decisions and avoid costly surprises.

Why Choose Us

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Trusted, Award-Winning Legal Experts

Celebrated for our professionalism and excellence in delivering due diligence services across diverse legal domains including corporate law, real estate, and commercial transactions.
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Over a Decade of Legal Documentation Expertisee

With over 10 years of specialised experience, our team delivers meticulous and compliant due diligence cases, ensuring every legal detail is examined and accurately documented.
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Proven Client Satisfaction

More than 700 positive client reviews highlight our reliability, attention to detail, and commitment to making complex due diligence processes smooth and stress-free.
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Proven Track Record

We consistently deliver efficient, error-free due diligence support that meets regulatory standards and tight timelines—helping clients make informed decisions with confidence.
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Constructive, Solutions-Focused Approach

Our legal experts identify potential risks early and provide pragmatic, actionable insights—reducing uncertainty and helping clients proceed with clarity and assurance.
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Compassionate, Client-First Support Every Step of the Way

Whether navigating a business acquisition or a property investment, we prioritise your peace of mind—offering clear, ongoing communication and responsive support throughout the due diligence process.

Why Engage Corporate Due Diligence Lawyers?

Hiring experienced corporate due diligence lawyers ensures that every legal aspect of a transaction is carefully examined and safeguarded. These professionals:
Design comprehensive DDQs that address all potential legal risks.
Conduct detailed legal investigations into governance, contracts, intellectual property, ESG compliance, and regulatory obligations.
Analyse risks and recommend solutions, providing strategies for remediation and stronger negotiation positions.
Bring cross‑industry expertise, with experience in sectors such as startups, fintech, e‑commerce, real estate, and hospitality.

Our Reviews

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Mohd Ayob A H
27th October 2026

Very professional efficient knowledgeable Very clear in term of explanation about the case.These are the personals that assistsin my case,which I really appreciate very much are Mr.Aidil,Mr.Shafee Mr.Rano Martiin.

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Gerald Nah Haw Yuan
21st October 2026

I had an excellent experience with IRB LAW LLP. From our first consultation, Mr Baiross was professional, honest, and attentive. They explained my options clearly, kept me updated throughout my case, and always responded promptly. I felt truly supported and well-represented, and I am very happy with the outcome. Mr Koh Boon Yang and Mr Zachary Lim well organized and diligent worked on my behalf. You made a stressful process feel manageable, and I always felt heard, informed, and well-supported. I highly recommend this firm to anyone in need of trustworthy, caring, and skilled legal help.

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Christine Yew
16th October 2026

Working with this law firm was the best decision I made. From start to finish, the team was incredibly knowledgeable, professional, and genuinely supportive. Legal matters can be stressful and overwhelming, but they guided me through every step with absolute clarity, patience, and warmth. Special thanks to Ms. Sherlyn Kaur and Mr. Baiross. Mr. Baiross provided sharp legal insight and strategic direction. Ms. Sherlyn Kaur was amazing with communication - always responsive, meticulous with details, and consistently reassuring throughout the entire process. They truly care about their clients as people, not just cases. I am deeply grateful for their hard work and highly recommend them to anyone seeking reliable legal representation!

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Emma Lee
15th October 2026

Engaged I.R.B. Law LLP for a civil debt recovery matter. Mohamed and the team provided stellar service with clear, pragmatic, detailed advice and handled my case with efficiency. They understood my position and helped secure a successful outcome while keeping the process transparent and straightforward. Highly recommended for their responsive and practical legal services.

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车雪静
12th October 2026

A huge thank you to Mr. Peng and his assistant, Ms. Taffy! Throughout the handling of my case, they demonstrated an exceptionally high level of professionalism, efficiency, and empathy. Mr. Peng provided outstanding professional legal advice and secured the best possible outcome for us! Highly recommended!非常感谢 Peng 律师和他的助理 Taffy 小姐!在处理我的案件期间,他们展现了极高的专业素养、效率和同理心。Peng 律师给出了非常专业的法律建议,为我们争取到了最好的结果! 极力推荐彭律师!

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Zahary Mahmud
28th September 2026

I'm inhaling fresh air now even its hazy outside. Words can't express how much Mr Dzuleqhmal and Miss Sharmeela had done for my case. My soul and mind is free now because of their professionalism. Thank you, both of you and the team, I shall never forget all if you in the IRB law LLP, thank you again. This guys is highly top notch stuff. Highly recommended.

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Mira m
23rd September 2026

To Mr Dzuleqhmal, Mr Ahmad Ghazi, Mr Shafee, and the entire team that has been tirelessly working on my case backend. I would like to express my sincere appreciation and deepest gratitude to all of you for your professionalism, dedication, and unwavering support throughout this challenging journey. The past few years have been an exceptionally difficult period for me, and navigating through the various challenges was not easy. Having a dedicated and committed team supporting and guiding me throughout the process gave me great reassurance and confidence. I am particularly grateful to Mr Dzuleqhmal, Mr Ahmad Ghazi, and Mr Shafee for the time, effort, patience, and care that you have consistently put into my case. Your professionalism, attention to detail, and commitment have been deeply appreciated. I am truly thankful to have had such a capable and dedicated team alongside me during one of the most challenging chapters of my life. The outcome is very meaningful to me, and I sincerely appreciate the effort that went into achieving it. Thank you once again for your invaluable guidance, support, and commitment throughout this journey. I will always be grateful for the assistance and professionalism that you and your team have shown me. I would totally recommend IRB Law should you require any legal services! With my deepest appreciation and sincere thanks to the whole team, A.M.B

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Lily
21st September 2026

Working with Mr Dzul & Ms Sharmeela on my matter was a great decision. They were thoroughly prepared, professional, and strategic during the presentation of my case. Their attention to details and calm demeanor made a stressful situation much easier to manage. I felt completely supported and informed throughout the entire process. Highly recommended for anyone needing dedicated legal representation!

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Lynn k
12th September 2026

Mr Baiross and his team helped me with my litigation case and offered really good advice. I am very appreciative of his work and expertise as it helped me close my case. Thank you🙏🏼🥹

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Nihal Wafiyah
28th August 2026

I would like to express my sincere appreciation to IRB Law and especially to Mr Aidil, who handled my case. Mr Aidil has been professional, patient, and very approachable throughout the entire process. He took the time to explain things clearly, answered my questions patiently, and provided valuable advice whenever I needed guidance. I truly appreciate his dedication and the way he handled my matter with professionalism and care. Having a lawyer who is responsive, understanding, and genuinely committed to helping his client makes a big difference, and I am grateful to have had Mr Aidil representing me. Thank you, Mr Aidil, and the team at IRB Law for your excellent service and support. I would highly recommend Mr Aidil and IRB Law to anyone looking for professional and reliable legal assistance.

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Khairunnisa Lee
26th August 2026

IRB law team handled my case well. Everything went smoothly. Every detail was explained and written clearly. Ms izyan, munirah & syarah are very patient with my questions. And as for counsel mr Aidil did a great job in handling my case. Thankyou. Highly recommended

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roziana abdul rahman
19th August 2026

I am truly grateful to Tuan Dzul, MrAidil, Patrick and the team for their guidance and support throughout my case. What stood out most to me was that I never felt like I was just another case file. I felt heard, understood and genuinely cared for — like they truly wanted to help me through a very difficult, stressful and emotional chapter of my life. They listened to my concerns and explained things clearly Their patience, professionalism and clear guidance gave me much-needed reassurance throughout the process. Thank you for handling my case with integrity, sincerity, care, respect and dedication. I sincerely appreciate all the effort from the entire team and would definitely recommend them to anyone looking for a reliable and supportive legal team. 🙏🏼

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Shafiz Shabudin
18th August 2026

Mr Dzuleqhram and his team did a great job handling my case. Honest, firm and most importantly, decisive. I cannot thank Mr Dzuleqhram and his team enough

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Ili Lutfiah
8th August 2026

We engaged IRB for a recent case and had an absolutely wonderful experience with Mr Baiross and Mr Joel. From our very first consultation, we knew we were in good hands. Mr Baiross took the time to understand our situation and walked us through the potential consequences with so much empathy, patience and genuine concern. He never made us feel rushed, and his ability to explain everything clearly gave us a lot of reassurance during what was a very stressful period for us. It was clear from the very first conversation that he genuinely cared about helping us, and we knew we wanted to engage him and his team. We were also incredibly fortunate to work with Joel throughout the process. His friendly and approachable demeanour made it so easy to communicate with him. He always kept us focused on the end goal, while making the entire process feel much less daunting. At times, it genuinely felt like we were discussing things with a friend rather than a lawyer. What we appreciated most about Joel was his ability to empathise with our situation and understand how we were feeling before offering his thoughts and advice. He never made us feel like our concerns were insignificant, and we always felt heard, respected and supported. His professionalism, patience and personal touch really stood out to us. Highly recommended to anyone looking for a team that is not only professional and knowledgeable, but also genuinely empathetic and invested in their clients.

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Yasmeen Shah Kamal
6th August 2026

I am writing to express my heartfelt appreciation and gratitude to Mr Dzuleqhmal, Mr Aidil, Ms Sharmeela Begum, and the entire team for the exceptional professionalism, dedication, and care they demonstrated while handling my court matters. Throughout what has been a very difficult and emotionally challenging period, the team consistently treated me with respect, patience, and compassion. They took the time to listen, explained the legal process clearly, and ensured that I understood each step of the proceedings. Their guidance gave me confidence during an uncertain time. I was particularly impressed by their professionalism, integrity, and commitment to ensuring that my matters were handled fairly and efficiently. Every interaction reflected a genuine willingness to help, and I always felt that my concerns were taken seriously. Their calm and respectful approach made a significant difference to my experience. Please extend my sincere thanks to Mr Dzuleqhmal, Mr Aidil, Ms Sharmeela Begum, and everyone involved. Their dedication to public service and commitment to helping members of the community are truly commendable. They are a credit to your organisation, and I hope they receive the recognition they deserve for their outstanding work. Thank you once again for the excellent service and support provided throughout my cases. I will always be grateful for the professionalism, kindness, and dedication shown by the entire team.

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Shah Aisha
5th August 2026

We consulted several lawyers before deciding who to engage for our case, and choosing Mr Dzuleqhmal was one of the best decisions we made. From our very first consultation, Mr Dzuleqhmal was patient, attentive, and took the time to understand our concerns. Our case was particularly challenging as it involved a variation of a court order relating to child access, where access had been denied despite an existing court order being in place. Throughout the process, Mr Dzuleqhmal and his team were professional, efficient, and consistently responsive. He clearly explained every stage of the matter, including the expected timeline, court procedures, hearings, and child evaluation processes, which helped us feel informed and prepared. What stood out most was his attention to detail, thorough preparation, and strong advocacy in court. He was precise in his work, strategic in his approach, and articulated our position effectively during proceedings. His knowledge of family law and commitment to achieving the best outcome for his client gave us confidence throughout the case. I would highly recommend Mr Dzuleqhmal and his team to anyone seeking legal representation in family law matters, especially complex child access and custody-related cases. Thank you for your professionalism, dedication, and support throughout this journey.

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Simran Kaur
23rd July 2026

I had a wonderful experience working with Faustina Joyce Fernando at IRB Law LLP. After struggling for a long time to navigate complex, stalled court document extractions on my own, Faustina stepped in with immense empathy, efficiency, and professionalism. She made strategic decisions that brought a swift, complete resolution to my case in record time. I am incredibly grateful for her clear guidance, kindness, and dedication. Highly recommend Faustina and the family legal team at IRB Law to anyone seeking reliable and compassionate legal support!

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Life Of KMx
22nd July 2026

Very professional in handling the case.

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Mohamad Nizam
22nd July 2026

I'm glad to engage IRB lawyer, they been very helpful and guiding me through my claim of inheritance. I was afraid at first for the high cost of using lawyer as it was my first time. To my surprise, lawyer baharos and lina help me with an affordable cost for their service, I was surprised and greatful. They don't judge my case as a minor, they were available till after office hours to settle my public trustee case. So thankful for their dedication in settle the case in less then a month. To Mr baharos thanks u for your kindness and to Miss Lina thanks for your guidance. Excellent lawyers with kind heart.

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Z Law
10th July 2026

⭐⭐⭐⭐⭐ I had an excellent experience with IRB Law throughout my legal matter. From the very beginning until the conclusion of my case, the team was professional, responsive, and supportive. A special thank you to Mr. Dzul, who handled my case with exceptional professionalism, patience, and dedication. He took the time to explain every step of the process clearly, answered all my questions promptly, and provided sound legal advice that gave me confidence during a very stressful period. His calm and compassionate approach made a significant difference to my experience. I would also like to thank the rest of the IRB Law team for their efficiency and excellent coordination. Every interaction was courteous, and I always felt that my case was being handled with care and diligence. Legal proceedings can be overwhelming, but having such a capable and trustworthy team by my side made the journey much more manageable. I am sincerely grateful for their outstanding service and would highly recommend IRB Law to anyone seeking reliable, professional, and client-focused legal representation. Thank you once again to Mr. Dzul and the entire IRB Law team.

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Nasri Suhaimi
8th July 2026

Although the case took almost 3 years to conclude, both Mr Dzul and Mr Aidil were consistently helpful, approachable, and professional throughout the entire process. They explained every step clearly and patiently, making the legal procedures and available options easy to understand. Thank you for your guidance, dedication, and support from start to finish.

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Thumbs up to Norlina and her team. They are a nice team to work with as they handled our case with utmost professionalism. Highly recommended.

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Lee Soon whatt
27th June 2026

Highly recommended for anyone seeking legal action. Case was handled professionally and I got the result that I was hoping to get. Consider the result as a win. Case handled by Mr Koh Boon Yang and Mr Zachary Lim was done with exceptional skill.

Our Lawyers

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Mohamed Baiross

Partner
  • English/Tamil/Malay Fluency
  • Cross‑industry Due Diligence Expertise for complex, high‑value transactions
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Simran Kaur Sandhu

Associate
  • English/Tamil/Malay Fluency
  • Due Diligence Practice with Industry Trust
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Quek Liuyong

Partner
  • English/Chinese Fluency
  • Cross‑industry Due Diligence Expertise for complex, high‑value transactions
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Crystal Lum

Partner
  • English/Chinese Fluency
  • Seasoned Due Diligence Lawyer

Frequently Asked Questions

What is corporate due diligence?
Corporate due diligence is an in-depth investigation into a target company to verify its key information and identify risks related to governance, regulatory compliance, technology, IP rights, and other aspects of its business operation.
What is included in a corporate due diligence check?
The scope of corporate due diligence includes multiple checks of a target company’s legal, financial, commercial, operational, and other aspects. The parties identify the scope of these checks in the Due Diligence Questionnaire (DDQ) approved by the buyers or investors and the target company in advance.
What are the costs of corporate due diligence in Singapore?

The cost of corporate due diligence is determined based on the scope of the due diligence questionnaire (DDQ), the availability of accurate and complete corporate records in the target company, the number of its legal entities and jurisdictions where it operates, and other factors. For more information about the costs of corporate due diligence in Singapore, please contact IRB Law’s legal team for a free initial consultation.

What are the main objectives of corporate due diligence?
  • Risk assessment: Evaluate legal, operational, financial, ESG, and other risks involved in the target business.
  • Risk remediation: Identify gaps and fixable issues before or after the deal.
  • Informed decision-making: Support choices around proceeding with or pricing the transaction.
  • Price negotiation leverage: Use findings to adjust deal terms and protect against unforeseen liabilities.
What factors influence the cost of corporate due diligence in Singapore?
  • Scope of the Due Diligence Questionnaire (DDQ): The breadth of the review, including the number and type of checks required.
  • Number of entities and jurisdictions: Whether the review involves a single entity or multiple companies across different jurisdictions.
  • Quality of corporate records: The availability, accuracy, and completeness of the documents provided.
  • Complexity of the review: The level of detail and depth needed in assessing legal, financial, operational, and compliance matters.
When is corporate due diligence typically applied?
Due diligence is commonly required for:

  • M&A transactions, joint ventures, or equity investments.
  • Fundraising rounds (private equity, venture capital).
  • IPOs, partnerships, or other strategic transactions.
  • Financing, restructuring, or sensitive commercial deals where risk needs to be assessed and managed.
General Disclaimer

The due diligence services rendered are based on the scope, information, and instructions agreed with the client and are subject to the applicable laws of the jurisdiction(s) involved. While every reasonable effort has been made to ensure accuracy and completeness, the findings and conclusions are limited by the quality, availability, and accessibility of the information obtained at the time of review.

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