Auditing & Assurance

Agreed Upon Procedures

Specific, targeted procedures tailored to your needs
Audits

Auditing and assurance services that strengthen compliance and support growth
Compilations

Accurate, professional financial statements without assurance
Employee Benefit Plan Audits

Specialized audits for 401(k), 403(b), and retirement plans
Internal Audit Services

Independent internal audits that strengthen controls and efficiency
Not-for-Profit Audits

Nonprofit financial reporting services that ensure transparency and trust
Reviews

Assurance services for when a full audit is not required
Risk Advisory Services

Risk advisory services that strengthen controls and reduce exposure.

Business Advisory

Accounting & Bookkeeping Services

Flexible accounting and bookkeeping services tailored to your business.
Business Process Outsourcing

Business process outsourcing services to streamline operations and cut costs.
Controller / CFO Services

Fractional CFO services and controller support tailored for growing businesses.
Outsourced Payroll Services

Accurate payroll services that streamline compliance and save time.

Tax

Business Valuation Services for Confident Decisions

Trusted business valuation services for owners, investors, and families.
Cross-Border Individual Tax

Expert cross border tax accountant services for individuals with global income or assets.
International Tax Services for Confident Global Growth

CDH helps global companies establish a comprehensive tax strategy
Mergers and Acquisitions

Tax due diligence and M&A tax advisory for confident deals.
State and Local Tax

Expert guidance for state and local tax compliance solutions.
Tax Audits and Controversy Representation

Customized procedures to test specific financial data and deliver objective findings.
Transfer Pricing Services

Practical transfer pricing services for multinationals with cross-border operations.
Trust and Estate Planning

Customized procedures to test specific financial data and deliver objective findings.

Technology Solutions

Application Development

Custom application development that delivers flexible tools for your business.
Business Accounting Software

Sage Intacct implementation and services designed for growing companies.
Cloud Networking Services

Cloud networking services that support growth with Microsoft Azure expertise.
Managed IT Services

Managed IT services for small businesses with tailored solutions.

Featured Blogs

Tax Services

November 12, 2026

Brenden Norberg

The Cost of a Transfer Pricing Study vs. the Cost of an Audit

Transfer Pricing InsightsFor some companies, the decision to prepare a transfer pricing study comes down to cost.Management may ask: Why spend money documenting something…

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Tax Services

November 4, 2026

Brenden Norberg

Family Business Succession Planning: Steps for a Smooth Transition

Let’s say you own a family-run machine shop and are ready to retire. Your nephew runs the shop floor, and your sister owns 20%…

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nlech@cdhcpa.com
630.228.8210

Partner, Tax

Naoko Lech, CPA

Specializes in:

Tax

Naoko Lech is Certified Public Accountant with more than 15 years of public accounting experience. She serves as Partner of CDH’s Tax Department.

Prior to joining CDH, Naoko brings with her years of experience working at a multinational corporation and a multinational financial institution.

As a trusted business advisor, Naoko works closely with multinational C corporations handling all types of tax matters. Specializing in corporate tax, she focuses specifically on international tax issues, state filings and FIN48 matters. Naoko is fluent in Japanese.

Naoko has a Bachelor’s Degree in Psychology from North Central College.

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Connect With Naoko!

Connect with Naoko to discuss how their expertise can support your goals and drive your business forward.

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Naoko Lech, CPA

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