CSI is nationally licensed where required and serves multiple high-volume markets, including automotive, healthcare, retail, financial services, education, utilities, government, and insurance.
- Financial-services accounts
- Healthcare accounts
- Auto accounts
- Utilities and insurance balances
Verify the collector before using a link or sending payment.
Compare these details against the validation notice, credit report entry, and any payment page before sharing account or bank information.
- Legal name
- Client Services, Inc.
- Known aliases
- CSI
- Official website
- https://www.clientservices.com/
- Consumer portal
- https://www.clientservices.com/consumer-center/
- Last reviewed
- May 20, 2026
If a caller, text, email, or payment site uses different identity details, contact the collector through an official source before responding.
Third-party collector, ARM vendor, and BPO servicer; not a debt buyer
Who owns the debt changes what documentation, authority, and correction path you should ask for before paying.
Client Services describes itself as a third-party call-center and accounts-receivable management firm that performs debt collection and asset recovery for client businesses. Its consumer materials state that it does not buy or sell consumer debts, so its role is an outside collector or servicer rather than the debt owner.
Do not assume CSI owns the account; ask it to identify the creditor tied to the debt and whether CSI is collecting for that creditor.
Ask for the CFPB-required validation information: creditor name, account number if any, itemized amount, current amount, and dispute instructions.
What to know before responding
- CSI has warned of fraudulent businesses using similar names, so verify the exact legal name, address, and official payment channel.
- If you receive a call first, ask for written validation before discussing payment.
Verify before paying.
A legitimate collector can still have the wrong person, wrong amount, stale debt, duplicate placement, or incomplete documentation.
- The collector name, mailing address, phone number, and website against the letter you received.
- The original creditor, current owner or client, account number, balance, and date of last payment.
- Whether the debt is inside your state lawsuit limitations period before making a payment or written promise.
- Whether the account appears on your official credit reports from AnnualCreditReport.com.
- Whether the account matches the account types commonly associated with Client Services, Inc.: Financial-services accounts, Healthcare accounts, Auto accounts, Utilities and insurance balances.