
Due Diligence Services in Chicago
When major business transactions are at stake, you need more than surface-level financial statements. Whether you're the buyer or seller in the transaction process, our detailed diligence process protects your interests and maximizes transaction value.
Get Your Due Diligence Assessment
What Is Due Diligence, and Why Is It Extremely Important?
Due diligence is the comprehensive investigation and analysis of a business before completing a transaction. This critical process allows both the seller and buyer to understand the true financial health, operational capabilities, and potential liabilities of the target company.
For any business transaction, conducting thorough financial due diligence is the first step toward protecting your investment. Our CPA due diligence services at Lewis.cpa verify the accuracy of financial statements, assess working capital requirements, analyze cash flow patterns, and identify any red flags that could impact the purchase price or deal structure. With us, you’re in good hands.
The due diligence process serves as your insurance policy against costly surprises. Without proper diligence, you risk overpaying, inheriting hidden liabilities, or missing critical operational issues that could derail your investment's success.

Who Benefits from Our Due Diligence Services?
Our due diligence services serve stakeholders at every stage of the transaction lifecycle, providing the critical analysis needed for successful outcomes. We often work with:

Acquiring Companies and Buyers
Determine the true value and risk profile of potential acquisitions. Our analysis helps you avoid overpaying and identifies integration challenges before they become problems.
Selling Companies and Sellers
Proactive seller-side due diligence helps you address issues before they arise during buyer due diligence, potentially increasing your sale price and reducing transaction delays.
Private Equity Firms and Investors
Validate investment theses and assess potential returns with comprehensive financial and operational analysis.
Lenders and Financial Institutions
Evaluate creditworthiness and collateral quality for acquisition financing and other lending decisions.
Strategic Partners
Assess the viability and risks of joint ventures, partnerships, and other strategic alliances.
Our Comprehensive Due Diligence Services
We’re proud to provide specialized diligence services tailored to every aspect of your transaction, ensuring no critical element is overlooked during the evaluation process.
Financial Due Diligence
Our financial due diligence specialists conduct an in-depth analysis of a company's financial health, reviewing key statements, assessing asset and liability quality, and evaluating cash flow and profitability for sustainability.
Tax Due Diligence
Our tax specialists examine historical tax compliance, identify potential tax exposures, and evaluate tax assets and liabilities to understand a company's current and future tax implications, including multi-state considerations.
Operational Due Diligence
We evaluate the operational foundation of the target company, assessing core business processes, management capabilities, technological infrastructure, and supply chain efficiency to understand operational strengths and weaknesses.
Commercial Due Diligence
Our market-focused analysis includes industry position, competitive landscape, customer dynamics, and market trends to provide insights into the target company's commercial viability and growth potential.
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Don't Guess, Know
Get a precise due diligence assessment from Lewis.cpa to navigate the complexities of your next business combination confidently.
Contact UsOur Diligence Process: From Initial Assessment to Final Report
At Lewis.cpa, our structured due diligence process ensures comprehensive coverage while maintaining efficiency and confidentiality throughout your transaction. Here’s what you can expect along the way.

Engagement Planning and Scope Definition
We start by understanding your transaction objectives, timeline, and key concerns. Our team develops a tailored diligence plan that addresses your situation and risk tolerance.
Information Request and Data Gathering
We provide comprehensive information requests covering financial, operational, legal, and commercial aspects. Our systematic approach ensures no critical documents are overlooked.
Analysis and Verification
Our diligence specialists thoroughly analyze the information we received. We verify financial data, test key assumptions, and identify areas needing deeper investigation.
Risk and Opportunity Assessment
We evaluate identified issues, quantify potential risks, and highlight valuable opportunities that could impact the transaction structure or purchase price.
Report Preparation and Findings Delivery
We present a comprehensive report outlining our findings, conclusions, and strategic recommendations. Our reports focus on actionable insight that supports your decision-making.
Ongoing Support and Transaction Assistance
We remain available to help with follow-up questions, additional analysis, and ongoing consultation throughout the transaction process.
Why Choose Lewis.cpa for Your Due Diligence Needs?
Choosing the right partner for due diligence is key to safeguarding your business transactions, and here's why Lewis.cpa stands out:
Proven Transaction Experience
Risk Assessment and Value Protection
Comprehensive Data Analysis
Client Reviews
FAQ
How long does the due diligence process typically take?
The timeline for the process varies based on transaction complexity, company size, and scope of review. Simple transactions may complete in 2-4 weeks, while complex deals can take 6-12 weeks. We’ll work with you to ensure we meet your transaction deadlines without compromising quality.
What documents should we prepare for due diligence?
Key documents include recent financial statements, tax returns, customer contracts, employee agreements, vendor contracts, accounts receivable aging, inventory reports, and legal documents. We provide a comprehensive checklist tailored to your situation.
How much does due diligence cost?
Costs depend on transaction size, complexity, and scope of work required. We believe in transparency, offering fee estimates upfront. We’re happy to work within your budget to deliver the analysis you need. The investment in proper due diligence typically pays for itself by identifying issues that could impact value.
Can you help with both buy-side and sell-side due diligence?
Yes, we assist both buyers and sellers. For buyers, we identify risks and verify information. For sellers, we help address potential issues proactively and present your business in the best light to prospective buyers.
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Ready to Protect Your Next Business Transaction?
Don't leave your critical investment decisions to chance. Partner with Lewis.cpa for comprehensive due diligence services that provide the clarity and confidence you need to succeed. Contact us today for a confidential consultation.