Corporate Attorney in Iowa — Trusted Legal Guidance for Sioux City Businesses

Start Smart. Plan Clearly. Build With Confidence.

Every business—whether a small family operation, a local professional practice, or a growing company—faces legal questions that require clarity and careful guidance. From reviewing contracts to navigating business transactions, updating governance documents, or seeking ongoing legal support, having an experienced Iowa corporate attorney ensures your decisions are informed, compliant, and aligned with your long-term goals.



At Daniels Osborn Law Firm, attorney John Daniels offers more than 40 years of corporate, legal, and executive experience. As a former general counsel and CEO, he understands how businesses function from the inside and brings a steady, practical approach to resolving everyday legal needs for Sioux City business owners.

Why Corporate Legal Support Matters

Business owners make decisions quickly—often under pressure. But even small oversights in a contract, lease, agreement, or internal process can create long-term consequences. Clear, proactive legal guidance reduces risk, strengthens business relationships, and ensures your company remains compliant with Iowa business laws.



Corporate legal support is especially important for growing businesses without in-house counsel, companies entering new or renewed contracts, owners needing negotiation or risk assessment, multi-owner or family businesses requiring documented clarity, and businesses managing property, leases, or recurring transactions.


With clear, practical guidance, your business can operate from a place of strength—not uncertainty.

Corporate Counsel Services

Ongoing legal support for businesses that need steady, accessible guidance without hiring a full-time in-house attorney. Ideal for operational questions, compliance issues, governance updates, and risk management.

Contract Drafting & Review

Comprehensive drafting, review, and negotiation guidance for leases, vendor agreements, service contracts, employee documents, and other business agreements. Clear contracts reduce conflict and protect your financial interests.

Business Transactions & Agreements

Support for asset transfers, purchase and sale agreements, partnership documents, ownership arrangements, and commercial transactions requiring thoughtful legal oversight and precise documentation.

Corporate Legal Services

These services form the core of the firm’s General Corporate Practice, each supported by a dedicated subpage for deeper guidance.

Why Clients Choose Daniels Osborn Law Firm

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40+ years of corporate and business legal experience
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Background as a former in-house counsel and CEO
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Direct access to your attorney—no gatekeepers or layers of staff
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Clear, plain-language explanations of obligations, risks, and strategies
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Practical, steady approach focused on preventing disputes—not creating them

★★★★★

Client Testimonials

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  • Super professional

    Stu E.

    Super professional
  • John took on a very complicated real estate transaction for our family. We are in California and property is in Iowa. From our first meeting John was excellent and personable. He kept us informed and updated on progress all along the way, and explained things in laymans terms so they were easy to understand. We couldn't ask for a more professional attorney to handle our real estate transaction. We felt very comfortable with John handling everything for us...even from afar!! 5+++stars!

    Michele V.

    John took on a very complicated real estate transaction for our family. We are in California and property is in Iowa. From our first meeting John was excellent and personable. He kept us informed and updated on progress all along the way, and explained things in laymans terms so they were easy to understand. We couldn't ask for a more professional attorney to handle our real estate transaction. We felt very comfortable with John handling everything for us...even from afar!! 5+++stars!
  • John was extremely helpful settling my dad’s estate, making sure all documents were filed in court correctly, and even settling a small posthumous lawsuit. He kept me up to date on progress of estate progression and was very approachable with any questions I had. Very competent!

    Clayton

    John was extremely helpful settling my dad’s estate, making sure all documents were filed in court correctly, and even settling a small posthumous lawsuit. He kept me up to date on progress of estate progression and was very approachable with any questions I had. Very competent!
  • John did a great job. We were very pleased with his work. He is quick to respond if you have any questions and is very good about explaining things so that you can understand.

    John M.

    John did a great job. We were very pleased with his work. He is quick to respond if you have any questions and is very good about explaining things so that you can understand.
  • In residing outside of IA, I needed an IA attorney who would not only be able to represent me in tackling the state’s complex estate/probate and guardian/conservatorship laws but also an attorney that would be willing to do so remotely. John checked all of those boxes and much more. He’s an expert in those fields but also one of the most professional, empathetic and kind attorneys that I have worked with especially given the immediacy of circumstances/decisions that I faced. I feel very fortunate to have been referred to John and highly recommend him to others.

    Jan B.

    In residing outside of IA, I needed an IA attorney who would not only be able to represent me in tackling the state’s complex estate/probate and guardian/conservatorship laws but also an attorney that would be willing to do so remotely. John checked all of those boxes and much more. He’s an expert in those fields but also one of the most professional, empathetic and kind attorneys that I have worked with especially given the immediacy of circumstances/decisions that I faced. I feel very fortunate to have been referred to John and highly recommend him to others.
  • John Daniels has completed numerous Title Opinions for my clients in my 30 year real estate career. I highly recommend John and feel confident my clients are in the best hands. He has reviewed documents and helped solve Title issues numerous times. I referred John to family for estate planning and they were extremely happy with his services. John helps you resolve issues and always goes above and beyond! He has an eye for detail and is a very competent attorney!

    Vicki K.

    John Daniels has completed numerous Title Opinions for my clients in my 30 year real estate career. I highly recommend John and feel confident my clients are in the best hands. He has reviewed documents and helped solve Title issues numerous times. I referred John to family for estate planning and they were extremely happy with his services. John helps you resolve issues and always goes above and beyond! He has an eye for detail and is a very competent attorney!
  • As a real estate agent who values proficiency and timeliness, I recommend John Daniels to my clients for their title work and document preparation. We can always count on John to do a great job, competitively priced. He is easily available for consultation, if needed, and competently produces what is needed to complete the real estate transactions. We very much appreciate his skill and professionalism!

    Eric B.

    As a real estate agent who values proficiency and timeliness, I recommend John Daniels to my clients for their title work and document preparation. We can always count on John to do a great job, competitively priced. He is easily available for consultation, if needed, and competently produces what is needed to complete the real estate transactions. We very much appreciate his skill and professionalism!
  • I worked with John Daniels to set up a family trust. I was impressed with his knowledge and professionalism along with his ability to very personable. John really helped put my mind at ease when explaining legal terms I didn't fully understand. He was always patient with my questions about the process and allowed me to take the time I needed to make important decisions. John always responds quickly to communication through phone calls, email or text. I highly recommend using the Daniels Osborn Law Firm.

    Julie B.

    I worked with John Daniels to set up a family trust. I was impressed with his knowledge and professionalism along with his ability to very personable. John really helped put my mind at ease when explaining legal terms I didn't fully understand. He was always patient with my questions about the process and allowed me to take the time I needed to make important decisions. John always responds quickly to communication through phone calls, email or text. I highly recommend using the Daniels Osborn Law Firm.
  • John is so personable and such a gentleman , he made me and my husband feel at ease making our wills and guiding us with his expertise and knowledge through the whole process , we now consider him a friend ,as he will make you feel the same , he assures your best interest is met ,explains in detail in terms we both understood , we will use their services for our future matters , thanks John , respectfully Steve and Terri

    Terri C.

    John is so personable and such a gentleman , he made me and my husband feel at ease making our wills and guiding us with his expertise and knowledge through the whole process , we now consider him a friend ,as he will make you feel the same , he assures your best interest is met ,explains in detail in terms we both understood , we will use their services for our future matters , thanks John , respectfully Steve and Terri
  • John was very thorough in explaining trusts & wills, and answering my wife's & my questions. After setting up our trust, John has continued to help us with a medical power of attorney. All of his guidance has given us peace of mind, knowing we're prepared for the future.

    Tom S.

    John was very thorough in explaining trusts & wills, and answering my wife's & my questions. After setting up our trust, John has continued to help us with a medical power of attorney. All of his guidance has given us peace of mind, knowing we're prepared for the future.
  • I was going through a terrible time, I was told I needed a Laywer for an estate. I was in my car crying asked God to help find a good Lawyer and John's name just popped out to me I called him and he answered he was on vacation still took the call. I met with in a few days later, He has helped me so much, keeps me educated every step of the way, he gets the job done, He has reasonable rates, John is not just my Lawyer he became my friend that is just the person he is, kind, caring, compassionate, and very knowledgeable. Thank You John

    Diane K.

    I was going through a terrible time, I was told I needed a Laywer for an estate. I was in my car crying asked God to help find a good Lawyer and John's name just popped out to me I called him and he answered he was on vacation still took the call. I met with in a few days later, He has helped me so much, keeps me educated every step of the way, he gets the job done, He has reasonable rates, John is not just my Lawyer he became my friend that is just the person he is, kind, caring, compassionate, and very knowledgeable. Thank You John
  • I'm very happy I was referred to go to Mr.Daniels for doing my will and everything to deal with that important process. He was very professional and pleasant to work with . I will refer people to go to this law firm for anything they need done . Thank you Judy

    Judy H.

    I'm very happy I was referred to go to Mr.Daniels for doing my will and everything to deal with that important process. He was very professional and pleasant to work with . I will refer people to go to this law firm for anything they need done . Thank you Judy
  • John has assisted us with multiple property acquisitions as well as the formation of our LLC, and his expertise has been invaluable every step of the way. One of the acquisitions turned out to be particularly complex, requiring extensive coordination with both city and county officials. Despite the challenges, John navigated the process with skill and persistence, ultimately securing everything we expected and even more. His professionalism, knowledge, and dedication truly set him apart. We highly recommend John for any real estate transactions—he’s someone you can trust to get the job done right.

    Sid M.

    John has assisted us with multiple property acquisitions as well as the formation of our LLC, and his expertise has been invaluable every step of the way. One of the acquisitions turned out to be particularly complex, requiring extensive coordination with both city and county officials. Despite the challenges, John navigated the process with skill and persistence, ultimately securing everything we expected and even more. His professionalism, knowledge, and dedication truly set him apart. We highly recommend John for any real estate transactions—he’s someone you can trust to get the job done right.
  • John spends time to find out exactly what you need. Then he delivers!

    Terry M.

    John spends time to find out exactly what you need. Then he delivers!

Our Corporate Legal Process: Clear, Efficient, and Personal

Contact the Firm
  • You speak directly with John about your business question or upcoming decision.
Review Your Documents or Situation
  • We examine agreements, operational details, risks, and your business goals.
Receive Tailored Legal Guidance
  • John provides clear explanations, recommended revisions, and strategic options based on Iowa business law and practical experience.
Finalize & Move Forward With Confidence
  • Your documents, decisions, or transactions are completed with clarity and steady support.

About Daniels Osborn Law Firm

Daniels Osborn Law Firm is led by John Daniels, a Sioux City attorney with decades of experience in business law, corporate counsel, contract negotiation, real estate, and estate planning. His career includes serving as both general counsel and CEO of a regional medical center—experience that shapes his practical, measured approach to guiding Iowa businesses.



John’s philosophy—“uncommon strategies, common ground”—reflects the firm’s commitment to clarity, collaboration, and real-world legal solutions. As a solo practitioner, he provides direct access, personalized attention, and a calm, thoughtful presence for business owners navigating important decisions.

Your Next Step: Strengthen Your Business With Clear Legal Guidance

Whether you need ongoing counsel, contract review, or support with a business transaction, Daniels Osborn Law Firm provides steady, experienced legal guidance every step of the way.