The Costello Law Group
The Costello Law Group was founded by Thomas C. Costello, an AV rated litigator, with over 16 years of experience. The Costello Law Group provides high quality legal services to individuals who have been damaged by investment, insurance, legal and tax professionals. The Costello Law Group routinely and successfully litigates victims’ claims on a nationwide basis against the largest and most experienced law firms. If your life savings or financial security has been damaged by a licensed professional or business, call the Costello Law Group for a free consultation.
Mr. Costello possesses a Legal Masters Degree (LLM) in taxation with a Certification in Estate Planning. The Costello Law Group takes great pride and satisfaction in providing high quality, practical and cost effective estate planning services to individuals throughout the State of Maryland and the District of Columbia. If you have an estate planning question or need, call the Costello Law Group for a free consultation.
The Costello Law Group is also experienced in representing sales professionals and other employees in connection with their employment disputes. Mr. Costello has assisted sales professionals resolve their disputes with former employers regarding claims of trade secret misappropriation, unfair competition and violation non-solicitation/ non-competition agreements.
The Costello Law Group is committed to providing individuals with high quality, experienced legal representation in a cost effective manner. The Maryland litigation attorneys at Costello Law Group put your interests first by responding to telephone calls promptly, providing regular updates on the status of your case, and vigorously pursuing your interests while in litigation or arbitration. The Costello Law Group offers free initial consultations.

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