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About me

Markus May is a dynamic client focused business attorney. He helps businesses and their owners start, buy, sell and operate businesses. Mr. May advises clients on how to avoid disputes and litigation and how to structure contracts and leases to minimize risk and maximize future benefits. He is a prolific writer and speaker and has served on numerous boards and committees of various legal and industry associations and is a leader in the field of business law.


Photos and videos

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Practice areas


  1. Business: 30%
  2. M & A: 25%
  3. Contracts: 15%
  4. LLC: 15%
  5. Corporate: 15%



Hourly ($305-550/hour), Fixed (sometimes)

Payment types:

Cash, Check

Attorney endorsements

4 total 

Are you an attorney? Endorse this lawyer

  • Christian K. Lassen II

    Top-notch attorney. Highly respected in the legal community.


    Christian Lassen Personal injury Attorney
    Relationship: Fellow lawyer in community

  • Linscott Roberts Hanson

    I have known Markus May for several years through working together on various bar association matters, participation in Internet discussion groups, and personal contact. He has a very acute mind, grasps situations quickly. He has an encyclopedic memory of the law, both statutes and cases, and a keen insight. He his helpful to a fault, courteous and friendly, never too busy to help a friend, teach a course, etc. I highly recommend him.


    Linscott Hanson Limited liability company (LLC) Attorney
    Relationship: Fellow lawyer in community

Contact info

May Law Firm LLC

400 East Diehl Road
Naperville, IL, 60563


ILActive And Authorized To Practice Law199905/17/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Collaboration AwardMidwest Business Brokers and Intermediaries2014
Collaboration Award and DirectorMidwest Business Brokers and Intermediaries2013
Collaboration Award and DirectorMidwest Business Brokers and Intermediaries2012
ChairmanIllinois State Bar Association, Corporations & Business Law Section Council2011
Collaboration Award and DirectorMidwest Business Brokers and Intermediaries2011
ChairmanChicago Bar Association, Mergers and Acquisitions Committee2011
AV RatingMartindale-Hubbell2010
ChairmanChicago Bar Association, Business Law Committee2010
Collaboration AwardMidwest Business Brokers and Intermediaries2010
Collaboration AwardMidwest Business Brokers and Intermediaries2009
DirectorMidwest Business Brokers and Intermediaries2008
Collaboration AwardMidwest Business Brokers and Intermediaries2007
Section Council MemberCorporations, Securities & Business Law Section, ISBA2006
Collaboration AwardMidwest Business Brokers and Intermediaries2006
Law Review Staff EditorUniversity of Colorado Law Review1991
Work experience
TitleCompany nameDuration
OwnerMay Law Firm LLC2012 - Present
AttorneyEckhart Kolak LLC2008 - 2012
AttorneyJohnson, Westra, Broecker, Whittaker & Newitt, P.C.2001 - 2008
Attorney and Business ManagerVarious Entities1991 - 2001
Association namePosition nameDuration
Institute of Illinois Business LawMember2010 - Present
Chicago Bar Association, Business Law Committee and Mergers and Acquisitions CommitteeChairman, Member2008 - Present
Grace Pointe ChurchMember, prior deacon2003 - Present
Midwest Business Brokers and IntermediariesDirector, Meeting Committee Chairman2003 - Present
Illinois State Bar Association, Business and Securities Law SectionChairman and Member2002 - Present
DuPage County Bar AssociationMember, Prior Business Committee Chair2001 - Present
Illinois State Bar AssociationMember, Prior Business Committee Chair1999 - Present
Chicago Bar Association Mergers and Acquisitions CommitteeChairman2010 - 2012
Naperville JayceesDirector and Member2001 - 2005
Colorado Bar AssociationMember1991 - 1997
Legal cases
Case nameOutcome
Contract Negotiation and DraftingSuccessful Contracts Negotiated
Company Sales and PurchasesSuccessful negotiations and closings of numerous transactions.
See all legal cases 
Publication nameTitleDate
Illinois Family PhysicianAvoiding Personal Liability – Running the Medical Practice to Protect its Owners2013
Illinois State Bar JournalShareholder Drag-Along Rights in Illinos2012
Corporation, Securities & Business Law Forum (ISBA)Potential Revision to Ethics Rules to Facilitate Out-of-State Practice for Transactional Attorneys2010
Corporation, Securities & Business Law Forum (ISBA)Hardship Distributions from 401(k) Plans2009
Corporation, Securities & Business Law Forum (ISBA)A look at the Illinois Employee Classification Act2008
Insight-the Magazine of the Illinois CPA Society, Sept./Oct. 2007, Vol. 57, No3.Pierce the Veil2007
Illinois Bar Journal, June 2007, Vol. 95, No. 6Helping Business Owners Avoid Personal Liability2007
Illinois State Bar Association Corporation, Securities & Business Law Forum, March 2007, Vol. 52, No. 3Negotiating and Drafting Pre-Acquisition Documents Related To A Business Sale Or Purchase2007
DuPage County Bar Association Brief, Jan. 2007, Vol 19, Issue 5, Page 11Preparing the Pre-Acquisition Documents Related to a Business Sale or Purchase2007
Naperville Sun NewspaperVarious Law Related Articles2007
DuPage County Bar Association Brief, February/March 2005, Page 12.A Primer on Judicial Admissions2005
Illinois Bar Journal, Sept. 2004 Vol 92, page 12.Vountary Dismissals in Illinois- a Critical Review2004
Mealey's Litigation Reports, Insurance Insolvency, Vol. 6, Issue 15 (1/5/1995)Drafting a Guaranty Association Agreement1995
Mealey's Litigation Reports, Insurance Insolvency, Vol. 5, Issue 24 (5/18/1994)Sale of an Insolvent Insurer's Charter1994
School nameMajorDegreeGraduated
University of Colorado School of LawLawJD - Juris Doctor1991
University of Colorado - BoulderMarketingOther - Bachelors1986
Speaking engagements
Conference nameTitleDate
Professional Responsiblity Committee CLEEthics and the Transactional Attorney2016
O'Hare Chapter Tax ForumPiercing the Corporate Veil2016
The Basics of LLC Operating AgreementsManagement and Transferability Provisions.2015
Business Sales and Acquisitions: The Basics of Asset and Stock TransactionsPre-Definitive Agreements2015
SCORE Monthly MeetingPreacquisition Documents Related to Buying a Business2014
Piercing the LLC Veil: Best Practices to Avoid Member Liability for Business DebtsPiercing the LLC Veil2014
National Webinar for AttorneysPiercing the LLC Veil: Best Practices to Avoid Member Liability for Business Debts2014
Annual Conference -Society of Financial Services ProfessionalsBusiness Exit Strategies, Succession Planning, and Tips from the Trenches2014
26th Annual How to Form an Illinois Business EntityForming a Business Entity2014
Twenty-Fifth Annual! How to Form an Illinois Business Entity: Corporations and Their AlternativesForming a Business Entity2013
MBBI Association MeetingPre-Acquisition Agreements2013
JD - CPA MeetingProtecting Your Clients from Personal Liability2013
Business Law Committee MeetingPiercing the Corporate Veil , Chicago, IL, May 1, 20132013
Business Law CommitteeConsiderations for Lawyers Representing Sellers of Privately Held Companies2012
Association MeetingSelling a Business: Preparation and the Sales Process2012
Association MeetingPreparing a Business for Sale or Capital Raises: Private Equity and Deal Professional Insights2012
Association MeetingInsurance: Coverages, Due Diligence, and Successor Liability2012
24th Annual: How to Form an Illinois Business Entity Part 1Assisting Businesses During the Current Challenges2012
November Association MeetingHow to Protect Your Personal Assets2011
November Association MeetingPreparing to Sell Your Practice2011
Fraudulent Transfers and Piercing the Corporate VeilProtecting the Corporate Veil2011
Partnership Law UpdatePartnership Case Law2010
2010: A Return to M&A - Annual ConferenceHow to Transition from Corporate Executive to Business Owner2010
DuPage County Minority Entrepreneur ConferenceBuying or Selling a Business - Is This the Path for You?2009
Buying and Selling a BusinessModerator2009
Buying a Business During Uncertain TimesStructuring the Deal2009
Attorney Liabilities to Third PartiesModerator2009
Annual Conference: Best Practices for Tough MarketsNavigating "Speed Bumpts:" How to Save the Deal When Things go Wrong2009
SCORE Monthly MeetingHow to Avoid Personal Liability for Business Debts2007
Preparing to Sell Your BusinessHow to Prepare to Sell Your Business: What You Need to Know From a Legal Perspective"2007
MBBI MorningMeetingHow to Buy a Business Valued Under $1 Million2007
MBBI Morning MeetingDeal Structure - numerous legal issues related to buying a business2007
MBBI Annual Buyer Conference"Deal Structure: Getting to an Agreement Both Buyer and Seller Can Close2007
Business Law Committee SeminarPiercing the Corporate Veil2007
Best Practices in Deal Making: Developing Your M&A Practice - Annual ConferenceFinding and Developing Good Buyers2007
"Lease or Buy My Business Space? Making the Right Choice"Buying or Leasing Commercial Real Estate2007
MBBI Annual ConferenceBest Practices in Deal Making: Team Approach to Closing More Deals.2006
Livin' the Dream Radio ProgramNegotiating and Drafting Commercial Real Estate leases2006
Getting Money to Buy or Expand a BusinessUsing Retirement Funds to Buy a Business2006
Best Practices in Acquiring a Business - Annual Buyer ConferenceDeal Structure2006