Harold Robert Meyer – The ADD Resource Center · https://www.addrc.org/ ·
Reviewed September 3, 2026 · Published September 4, 2026
How to choose someone who opens the doors you cannot, why the friend who feels like the obvious partner is the wrong starting point, and what has to be in writing before either of you spends a dollar.
It usually happens fast. Two people discover they want the same thing, and within a week they are talking about a name and a website. Nobody wants to be the one who says “let’s put this in writing,” because saying it out loud sounds like an accusation. So it never gets said, and the business gets built on a friendship that has never been asked to survive a disagreement about money.
Key Takeaway: Choose a partner for the access and coverage you lack rather than for how well you get along, and sign a binding agreement before the first dollar moves.
Key Findings
- Entrepreneurs default to partnering with people who resemble them. In a nationally representative sample of U.S. founding teams, similarity in gender, ethnicity, and occupation shaped team composition more strongly than any other mechanism tested (Ruef, Aldrich & Carter, 2003).
- Among managers in one large U.S. firm, those whose networks spanned otherwise disconnected groups were less likely to have ideas dismissed and more likely to have them judged valuable (Burt, 2004).
- ADHD does not point one direction in business: hyperactivity and sensation seeking were positively associated with entrepreneurship, while inattention and urgency were negatively associated (Wiklund, Yu, Tucker & Marino, 2017).
- Each friendship inside a founding team raised the rate of founder turnover by roughly 29 percent, and teams of former coworkers were the most durable (Wasserman, 2012).
Pick for doors, not for agreement
The most useful thing a partner brings is reach you do not have. One of you may know the people who sign the contracts; the other may know the people closest to the work. Those are different rooms, and most businesses need both. Burt’s research on brokerage rests on a simple observation: opinion and behavior are more uniform within a group than between groups, so someone who bridges two groups sees options neither sees alone. The same logic argues for combining people who came up differently: a partner from another discipline brings techniques your field never adopted.
Left alone, almost nobody does this. Ruef and colleagues found homophily was the dominant mechanism in how founding teams actually form. The candidate who feels obvious usually feels obvious because he is familiar, and familiar is not the same as complementary.
Should your partner also have ADHD?
There is no rule in either direction, and the research does not support using a diagnosis as a screen. Wiklund and colleagues found that ADHD splits: the hyperactive, sensation-seeking side was associated with entrepreneurial action, while inattention and acting rashly under distress were associated with worse outcomes. Antshel’s review sets out the tension: adults with ADHD are often impaired in the occupational domain and struggle to hold full-time employment, yet a growing body of work suggests entrepreneurship may suit them better.
So screen for function. Name the things that go badly when you are the only one responsible: the books, the contracts, the follow-through, the deadline nobody is watching. Ask whether this person reliably does those, and ask for evidence rather than assurance. Two people with ADHD can build a strong company when their difficulties are not the same ones. Two partners who both lose track of receivables have a problem, and so do two who both hate selling. If neither of you covers a critical function, the answer is not a different partner. It is a bookkeeper.
“The partnership that fails is rarely the one where somebody turned out to be dishonest. It is the one where both people assumed the other was handling it.” – Harold Robert Meyer
Is it all right to go into business with a friend?
No. Not as a starting position, and not because your friend is untrustworthy.
It is what most people do. Founding teams are assembled far more often from friends and family than from former colleagues, and that popularity is the problem rather than the reassurance. Drawing on data from close to ten thousand founders, Wasserman found that each friendship inside a founding team raised the rate of founder turnover by roughly 29 percent. Teams of near-strangers held together better, and the most durable pairings were people who had worked together before. That is not an argument for similarity. What makes a former colleague safer is not that he resembles you; it is that you have already watched how he behaves under a deadline.
The mechanism is that neither person will say the hard sentence. You do not tell a friend his work came in late, or that the client complained about him, or that you resent chasing the invoices every month, because you are protecting something older and more valuable than the business. So the sentence goes unsaid, gets rehearsed silently, and arrives much later as something worse than it needed to be. The trouble also runs the other way: a bad quarter does not stay inside the business, it shows up at dinner.
Then there is dose. A friendship survives on an hour a week of chosen time. A partnership is eight or more hours a day, most days, including the days when one of you is wrong about money. That is a different relationship with the same person, and most friendships have never been tested at that volume.
If you are going ahead regardless, do three things. Work together on something real and paid before forming anything. Sign the agreement described below, exit terms included. And agree out loud, at the start, that either of you may say the hard sentence without it costing the friendship. Say that while it is still hypothetical; you will not be able to raise it later.
An MOU is not the document you need
A memorandum of understanding records intent and is generally not enforceable, which is why it feels comfortable to sign. What binds is the content, not the title on the page. A business needs a partnership or LLC operating agreement covering ownership percentages, who decides what and how deadlock breaks, money in and out, what work each partner owes, who owns the intellectual property, what happens if someone stops performing, and how a partner exits, is bought out, or dies. Write the exit terms while you still like each other. That is the only time they can be written fairly.
Do you need an attorney?
Yes, and not for the reason most people assume. In many states a general partnership forms automatically the moment two people run a business together, with nothing filed. In that structure each partner can bind the business, and general partners carry unlimited personal liability for its debts, the distinction the U.S. Small Business Administration draws between partnership types. Your house can answer for a decision your partner made without telling you. An attorney’s real work is choosing the entity and drafting the terms at formation, which is cheap next to untangling it later. Bring in a tax professional at the same time, since a partnership passes profits and losses through to the partners’ own returns (IRS).
A Note for Clinicians and Coaches
When a client with ADHD announces a new partnership, enthusiasm is not the thing to probe. Ask three questions: what does this person do that you do not, is there a signed agreement, and who is doing the books. A client who cannot answer the second and third is not describing a business yet. That conversation is far easier at the start than after a client has spent a year of savings and a friendship.
The next step
Before your next conversation with a prospective partner, write two lists: the doors you cannot open, and the functions you do not reliably cover. Bring both. If the person across the table fills nothing on either list, what you have is a friend, not a partner.
Synopsis
Choosing a business partner is a selection problem and a legal one, and adults with ADHD frequently get the first part right and skip the second. This article argues for choosing partners by access and coverage rather than compatibility, drawing on brokerage research showing that people who connect otherwise separate groups have their ideas dismissed less often, and on founding-team research showing that entrepreneurs default to partnering with people who resemble them. It answers three questions directly: whether a partner should also have ADHD (screen for function, not diagnosis, since ADHD symptom clusters point in opposite directions for business outcomes), whether it is acceptable to partner with a friend (no, as a starting position, since each friendship inside a founding team is associated with substantially higher founder turnover and neither party will say the hard sentence when it is needed), and what documents are required (a memorandum of understanding records intent and generally does not bind, so a partnership or operating agreement is needed, drafted with an attorney because general partners can be personally liable for each other’s business decisions).
Topic: Workplace & Career (primary); Adults; Self-Management Audience: Adults with ADHD – working adults; employers & managers Keywords: business partner, homophily, founder turnover, partnership agreement, personal liability
Bibliography
Antshel, K. M. (2018). Attention deficit/hyperactivity disorder (ADHD) and entrepreneurship. Academy of Management Perspectives, 32(2), 243–265. https://doi.org/10.5465/amp.2016.0144
Burt, R. S. (2004). Structural holes and good ideas. American Journal of Sociology, 110(2), 349–399. https://doi.org/10.1086/421787
Georgia Institute of Technology, Office of General Counsel. (n.d.). Memorandums of understanding (MOUs). https://generalcounsel.gatech.edu/legal-affairs/memorandums-understanding-mous
Ruef, M., Aldrich, H. E., & Carter, N. M. (2003). The structure of founding teams: Homophily, strong ties, and isolation among U.S. entrepreneurs. American Sociological Review, 68(2), 195–222. https://doi.org/10.1177/000312240306800202
U.S. Small Business Administration. (2025). Choose a business structure. https://www.sba.gov/business-guide/launch-your-business/choose-business-structure
Wasserman, N. (2012). The founder’s dilemmas: Anticipating and avoiding the pitfalls that can sink a startup. Princeton University Press. https://press.princeton.edu/books/paperback/9780691158303/the-founders-dilemmas
Wiklund, J., Yu, W., Tucker, R., & Marino, L. D. (2017). ADHD, impulsivity and entrepreneurship. Journal of Business Venturing, 32(6), 627–656. https://doi.org/10.1016/j.jbusvent.2017.07.002
Resources
From The ADD Resource Center:
- Overcoming Barriers: Essential Strategies for Neurodivergent Business Success
- Guide to Navigating ADHD in the Workplace: When and How to Disclose
- The Ultimate Digital Detox Guide for ADHD Business Leaders
- Your Abilities in Action: Business Opportunities Empower Youth Who Have ADHD
Elsewhere:
- U.S. Small Business Administration: Choose a business structure
- Internal Revenue Service: About Form 1065, U.S. Return of Partnership Income
- Georgia Tech Office of General Counsel: Memorandums of Understanding
- University of Michigan Ross Center for Positive Organizations: Don’t Start a Company with Your Friends
About the Author
Harold Robert Meyer is Founder and Managing Director of The ADD Resource Center, established in 1993, and a Senior Certified ADHD Coach, author, and international speaker. He co-founded CHADD of New York in 1989, served on CHADD National’s board and executive committee, including as Vice President of Finance, and was elected to lead the Institute for the Advancement of ADHD Coaching. He has written more than 1,500 articles across every phase of ADHD and has spoken as guest faculty at Cornell Medical College. He can be reached at [email protected].
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