Due Diligence Background Checks on Companies & Individuals
For professionals evaluating new business partnerships, vendors, M&A opportunities, or business transactions, CS Business Screen is a decision intelligence company that provides peace of mind.
Who We Are
We are a leading-edge provider of due diligence and business relationship background checks. Our comprehensive due diligence background checks on individuals and companies are both simple to order and exhaustive in scope.
Confidence in Decision Making
Our background checks help mitigate risk, prevent fraud, avoid embarrassing mistakes, and allow you to know who you are doing business with.
Analyzed & Actionable Results
Our investigators dig deep at the source of records and evaluate it through a human lens, enabling us to exceed expectations for thoroughness, accuracy and safety.
Customer Service
Get the peace of mind that comes from uniquely responsive support by phone, chat, or email. Easily speak to the investigator working on your background check.
20+ Years of Due Diligence Experience
We are fully licensed private investigation firm based in Cleveland, OH and have been assiting companies with due diligence background checks since 1987.
Intuitive Interface
Manage workflows, stay compliant, communicate with transparency, and validate information all from one platform. CS Business Screen makes it easy for you to save time and stay secure.
Who We Serve
Private Equity and Venture Capital Firms, Procurement Departments, Financial Services and Accounting Firms, Brokers & Dealers of Securities, Law Firms, and Compliance Departments.
Helping Businesses Make Smart Decisions Since 1996
When Dennis Drellishak Sr. founded Corporate Screening & Investigations in 1996 as an investigative firm in Cleveland, Ohio, the business quickly evolved with changing technology and a growing industry. But the investigative approach stayed the same.
Packages
Our packages are comprehensive and tailored to your specific industry or use case. Below is an example of types of records found in each package, but is by no means exhaustive. Let us know which Due Diligence Background Check you are interested in learning more about and one our specialists will reach out to you with more information.
Due Diligence Background Check
Individual
TYPES OF RECORDS FOUND
Criminal Convictions
Civil Litigation
Bankruptcy Cases
Social Media
Pending Judgments & Liens
Government Sanctions
Regulatory Violations
Federal/State Debarment Matches
Due Diligence Background Check
Company & Individual
TYPES OF RECORDS FOUND
Corporate Record Verification
Criminal Convictions
Civil Litigation
Bankruptcy Cases
Social Media
Pending Judgments & Liens
Government Sanctions
Regulatory Violations
Federal/State Debarment Matches
Due Diligence Background Check
Company
TYPES OF RECORDS FOUND
Corporate Record Verification
Civil Litigation
Bankruptcy Cases
Pending Judgments & Liens
Government Sanctions
Regulatory Violations
Federal/State Debarment Matches
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We highly recommend CS Business Screen!
“We’ve worked with CS Business Screen since 2012 for client on-boarding . They do a thorough job and are proactive in letting us know if there are any court delays. Their on-line system is very easy to use and we’re notified via email as soon as reports are ready. Their staff is professional and knowledgeable and provide exceptional service to our company. We highly recommend CS Business Screen!”
Anonymous Client in the Strategic Consulting Market

Who We Help
Each industry has unique due diligence background check requirements. We have used our market leading knowledge to help clients customize due diligence background check programs that meet their industry specific needs.






