Short answer
Yes. Miller & Steeno, P.C. is a genuine, active law firm, not a fake collector or a phishing scheme. It is a creditors'-rights and debt-collection practice headquartered in the St. Louis, Missouri area (Maryland Heights), and it appears in courts across Missouri, Arkansas, Illinois, and Tennessee. What makes it different from a phone-and-letter collection agency is its core method: it collects by suing. It files consumer debt lawsuits on charged-off credit-card accounts and other unsecured balances, acting on behalf of original creditors and debt buyers.
So the question is usually not "is this a scam?" but "how do I respond correctly?" And the answer to that starts with one rule: if you have been served, do not ignore it.
Who they are
Miller & Steeno, P.C. is a law firm, not a call-center agency. Its lawyers represent creditors and debt buyers in collection litigation, meaning the letters and court papers you receive from them may be a prelude to -- or already part of -- an actual lawsuit. It is worth being precise about the name, because St. Louis has several collection-focused firms and they are easy to confuse. Miller & Steeno is a distinct entity; it is not Kramer & Frank and it is not Messerli & Kramer. Confirming exactly who is contacting you matters, because your response is tied to a specific plaintiff and a specific case.
Like many high-volume litigation collectors, a firm that files large numbers of consumer cases will draw routine FDCPA complaints from consumers -- that alone does not make it illegitimate or mean it did anything unlawful in your matter. Treat each contact on its own facts.
If you get a summons, respond first
This is the heart of the page. Because Miller & Steeno collects by suing, the biggest risk you face is a court summons and complaint -- and the biggest mistake you can make is doing nothing. If you are served and you do not respond, the court can enter a default judgment against you. A default judgment is not a warning; it is a court order for the full amount claimed, and it can be enforced through wage garnishment or a bank levy, depending on your state's rules.
The way to prevent that is to file a written Answer with the court by your state's deadline. An Answer responds to each allegation, admitting or denying it, and lets you raise defenses (like the statute of limitations, or lack of proof that the plaintiff owns the debt). Filing an Answer keeps the case alive and forces the other side to actually prove what it claims. See how to respond to a debt collection lawsuit for the step-by-step, and calendar your deadline the moment you are served.
Get validation and demand the chain of title
A common misconception is that a law firm is exempt from the Fair Debt Collection Practices Act. It is not. A lawyer or law firm that regularly collects consumer debts is a "debt collector" under the FDCPA, just like an agency. That means you keep your rights, including the right to request written validation of the debt. If you dispute the debt in writing within the 30-day validation window after their first contact, the collector must pause collection until it verifies the debt. See does a debt validation letter work? for what to ask for and how.
If the plaintiff is a debt buyer rather than the original creditor, ownership becomes the central issue. A debt buyer purchased your account, sometimes after it passed through several hands, and it must be able to prove that it -- not someone else -- actually owns your specific account. Demand the chain of title: the documentation showing who owned the account at each step, proof the account is really yours, and how the claimed balance was calculated. Gaps in that paper trail are common and can be decisive. Read can a debt buyer sue you? to understand what a buyer must show.
Your FDCPA rights and the statute of limitations
Beyond validation, the FDCPA bars collectors -- including collection law firms -- from harassment, false or misleading statements, and unfair practices. Keep records of every communication.
Then check the clock. Every state sets a statute of limitations on how long a creditor or buyer has to sue on a debt. A firm may file suit on older accounts, and in some cases a debt is already time-barred. Suing on a time-barred debt does not automatically stop the case -- it is a defense you must raise yourself, typically in your Answer. Be careful: making a payment or a written promise to pay can restart the clock on an old debt, so do not agree to anything before you know where the limitations period stands. See what is the statute of limitations on debt? to check your state.
Is it a scam?
No. Miller & Steeno is a legitimate, licensed-attorney operation, and the court papers it files are real court papers. That is exactly why you should take them seriously rather than dismiss them. Impostor scams do exist -- someone may spoof a real firm's name to pressure you -- so verify independently: confirm the firm's real contact information, and if a lawsuit is claimed, confirm the case exists on the actual court's docket. Never send money or share bank details in response to a phone call alone. A real firm collecting a real debt will not object to you verifying the case and asking for validation in writing.
If it is a genuinely-owed debt
If, after validation, the debt is truly yours, still within the statute of limitations, and owned by whoever is suing, you have options short of losing by default. A validated, genuinely-owed unsecured balance is often negotiable. You can propose a lump-sum settlement or a payment plan -- but get any agreement in writing before you pay a cent, including confirmation that the payment resolves the account and, if there is a case, how it will be dismissed. If you cannot manage the debt at all, a nonprofit credit counselor can help you look at a budget, and in some situations bankruptcy discharge is worth discussing with an attorney.
One tax note: if a creditor settles or forgives more than $600 of your balance, it may issue a 1099-C cancellation-of-debt form, and the forgiven amount can be treated as taxable income. Factor that into any settlement math -- see what is a 1099-C?
This page is general information, not legal or tax advice. Your rights and deadlines vary by state; consider consulting a qualified attorney, a nonprofit credit counselor, or legal aid.