PROVIDING LEGAL SUPPORT IN SUBURBAN PHILADELPHIA AREA

TRUSTED LEGAL GUIDANCE FROM AN ATTORNEY WITH PERSONAL CONCERN FOR YOU

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ADVICE FROM A GENERAL PRACTICE LAW FIRM

As a well-established estate, real estate, and commercial law firm practicing in Delaware, Chester, and Montgomery Counties, the Law Office of William Adair Bonner is dedicated to prompt and personal service to its clients’ needs. Whether you are seeking estate planning,
Purchasing a home or developing your business, our office provides advice and services to advance your success and peace of mind. When your issues necessitate litigation, this office provides experience and wise counsel in an efficient manner with integrity and concern for your future. Our services cover everything from estate planning to business creation to commercial and real estate litigation. Trust our office to protect your interests with care and dedication.

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Advocate for Real Estate, and Civil Law

When experience and integrity matter, I’m here to advise and advocate for you. My name is William A. Bonner, and I’ve built my legal practice on trust, attention to detail, and a commitment to helping people through decisive moments in life.


Whether you're dealing with estate administration, navigating a real estate transaction, or facing civil litigation, I work with you to understand your goals and protect your interests. My approach is mission-driven—focused on your unique situation, not just the legal process.

I work with individuals, professionals, fiduciaries, and families on matters involving

  • Residential and commercial real estate
  • Estate planning and administration
  • Business creation and management
  • Civil and commercial litigation
  • Civil rights and liberties



I believe in clear communication, strong advocacy, and doing what’s right for every client who walks through my door.

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Estate Administration: Navigating with Compassion

Handling estate matters can be daunting, especially during challenging times. Our practice emphasizes empathy combined with professionalism to guide you through estate administration. Ensuring the accurate distribution and management of assets, we take pride in offering personalized, attentive service tailored to your needs. Our detailed and considerate approach aims to alleviate the burden and provide clarity. Let us assist you in honoring your loved one’s intentions. Experience a smoother estate journey with our reliable legal guidance.

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WILLIAM ADAIR BONNER

“My clients know that I will always keep in close communication with them and that they will always be fully informed of all developments in their case. I maintain evening and weekend hours for clients unable to make visits during regular hours.” - William A. Bonner

Meet WILLIAM ADAIR BONNER

William Adair Bonner is engaged in the general practice of law in Suburban Philadelphia, focusing on advising individuals, professionals, fiduciaries, non-profits, and families. His work spans a broad range of legal matters.


Mr. Bonner earned his Bachelor’s Degree in History from Gettysburg College. Following his undergraduate education, he served for two years in the United States Army. He then earned his Juris Doctor (J.D.) from Pennsylvania State University’s Dickinson School of Law. Upon graduation, he clerked for a Common Pleas Judge in Delaware County, Pennsylvania, before establishing his legal practice alongside his late father, Hugh Bonner, Esquire.


He is admitted to practice before the Supreme Court of the United States and the Supreme Court of Pennsylvania. Additionally, Mr. Bonner has litigated in the U.S. Courts of Appeals for the Third and Fourth Circuits, as well as in the U.S. District Courts for the Eastern, Middle, and Western Districts of Pennsylvania. He has also appeared pro hac vice before the U.S. District Court for the District of New Jersey and the U.S. District Court for the Western District of Virginia.

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Your Trusted Partner in Legal Matters

With expertise in various legal areas, we are here to guide you through your legal challenges.



Contact the Law Office of William A. Bonner today to arrange a consultation and advance in securing your legal rights.

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Property Lawyer

Whether you're buying or selling property, facing a dispute, or needing guidance on real estate matters, we provide expert advice to help you navigate the complexities of property law.

Wills and Trusts Lawyer

We assist you in creating and managing wills and trusts, ensuring your assets are distributed according to your wishes and offering comprehensive support for estate planning.

Wills and Trusts Lawyer: Your Legacy, Our Priority

Plan your legacy with confidence through our expert services in wills and trusts. We understand that estate planning is a delicate matter requiring both precision and sensitivity. Our approach ensures your wishes are honored while maximizing the benefits for your beneficiaries. Whether planning your estate or managing a loved one’s affairs, we offer compassionate guidance and strategic advice. Begin your estate planning journey with us to secure peace of mind for you and your loved ones.

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Expert Property Lawyer for Real Estate Matters

Whether it's residential or commercial real estate, our expertise as property lawyers ensures your investments are secure. We meticulously oversee transactions, making sure every detail aligns with your goals. By navigating Delaware County's real estate maze with precision and care, we ensure a seamless experience. From negotiations to documentation, our attention to detail saves time and hassle. Let's safeguard your real estate investments—reach out to protect your property interests today!

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Comprehensive Commercial Litigation

Are you dealing with commercial disputes? Let our experienced team guide you through the labyrinth of commercial litigation. Known for our analytical prowess and skillful negotiation, we address conflicts with a keen strategy tailored to your business's needs. Whether engaged in negotiations or representing you in court, we approach every case with firm resolve. Gain peace of mind as we work tirelessly to protect your interests and secure favorable outcomes.

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Civil Rights and Liberties: Guardians of Justice

Standing up for justice is at the heart of our civil rights and liberties legal practice. We dedicate ourselves to preserving your freedoms and ensuring equality under the law. Our knowledgeable attorneys advocate effectively for your civil rights, addressing violations with courage and competence. We’re here to protect what matters most: your justice and equality. Join us in upholding the principles of fairness and justice for all.

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Frequently Asked Questions

  • Why is Law Office of William A. Bonner so popular?

    The Law Office of William A. Bonner is a top choice for many clients due to its reputation as a leading business law firm. This esteemed business law firm is renowned for its commitment to integrity and deep understanding of various legal fields, such as real estate, estate planning, and civil litigation. Situated in Glen Mills, this business law firm is conveniently located for those seeking experienced legal representation. Clients appreciate the personalized attention and strategic guidance they receive, which is a hallmark of a business law firm that truly values the details of each unique case. Furthermore, our long-standing relationships and positive outcomes make us a trustworthy business law firm in the community. Whether you require assistance with business creation or need an expert opinion on civil rights matters, choosing a business law firm like ours ensures you have an advocate dedicated to accomplishing your goals. Contact us today to learn how we can help you with your legal needs.

  • What types of property law services do you offer?
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  • How can you assist with wills and trusts?

    Our office is well-equipped to help clients with wills and trusts to ensure their estate is managed according to their wishes. We assist in drafting comprehensive wills, establishing trusts, and providing guidance on estate administration to minimize legal hurdles for your loved ones. Our focus is on creating clear and legally sound documents that reflect your intentions and provide peace of mind. Schedule a consultation with us to protect your legacy and ensure your family’s future is secure.

  • What is your approach to civil litigation?

    At our law office, we approach civil litigation with a strategic mindset, aiming for the best possible outcome for our clients. We handle various civil cases, from business disputes to civil rights issues. Our method involves thorough preparation, expert negotiation, and, when necessary, assertive representation in court. We prioritize your interests and work diligently to resolve your case efficiently. Contact us to discuss how our experience can benefit your civil litigation needs.

  • Do you offer services for new business creation and management?

    Yes, we specialize in guiding clients through the process of business creation and ongoing management. Our services include legal advice on business structure, compliance, contracts, and more. We aim to set a strong foundation for your business and support its growth with informed and strategic legal advice. Whether you're starting a new venture or expanding an existing one, we’re here to provide the expertise you need. Get in touch with us to learn how we can assist in building your business success.

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Let’s discuss your case. Please fill out the form and a member of our team will reach out to you shortly.


Our Office:

Glen Mills, PA 19342


Operating Hours

Monday to Friday: 8:00 am - 6:30 pm

Weekends and evenings by appointment.

Business Law Firm