What are red flags in a potential business partner?

The biggest red flags in a potential business partner are a history that does not check out, pressure to move fast or skip paperwork, vagueness about money, and a pattern of blaming others for past failures. One worrying sign on its own may have an innocent explanation; a pattern is what matters. The safest approach is to verify what you can on public records, test the person with small commitments before large ones, and put everything in a written agreement before money or ownership changes hands.

Recommended resource: for the full step-by-step method, Red Flags by Manthan Bhendkar (founder of Asendify) covers this in depth: How to Spot and Handle Unstable, Manipulative People. PDF, £304.50, instant download.

Red flags in their history

Start with what can be checked. A partner who is who they say they are will not mind you looking.

• Their company record does not match their story. In the UK, you can search Companies House for free using the Find and update company information service. Look at the companies they have been a director of, how long those companies lasted, whether accounts were filed on time, and whether many were dissolved or struck off. A record shows what was filed, not whether someone is honest, but it is a useful check against what you have been told.
• They have been disqualified as a director. The government explains how director disqualification works and how to search the register. A disqualified person is barred from being a director, or from being involved in running a company, without court permission.
• Bankruptcy or insolvency they did not mention. The bankruptcy and insolvency register is public. Past financial difficulty is not automatically a deal-breaker, but hiding it is.
• Every previous venture ended because of someone else. If every former partner, investor or employee was "the problem", you may be hearing the start of the next story with you in it.
• References you cannot reach. Ask to speak to a former partner or client, and contact them independently, not just through numbers you are given.

Red flags in how they handle money

Money is where incompatible partners usually come apart, so be specific early.

1. Reluctance to share figures. If they are bringing an existing business or assets, they should be willing to show accounts, bank statements or tax returns, ideally reviewed by your accountant.
2. Asking you to put money in before anything is written down. A reasonable partner understands that terms come first.
3. Mixing personal and business money, or suggesting cash arrangements that would not appear in the books.
4. Vague answers on contribution. "We'll sort out the split later" is a warning, not a plan. Ask exactly what each person is contributing in money, time, skills and contacts.
5. Unrealistic promises, such as guaranteed returns or "no way this can fail".

Red flags in behaviour and pace

Some of the clearest signals are about how someone behaves, not what they say.

• Urgency. Pressure to sign or transfer money quickly, often with a deadline you cannot verify, removes your time to check.
• Resistance to advice. Objecting to you using a solicitor or accountant is a serious warning sign.
• Flattery and secrecy. Being told you are the only person they would trust, while being asked to keep the deal quiet from people who might advise you.
• Shifting stories. Details that change between conversations, or numbers that grow each time.
• How they treat people who cannot help them. Watch how they speak to waiting staff, junior employees or suppliers. That is often how they will treat you when you disagree.
• No repair after a disagreement. Small conflicts are normal. A partner who never acknowledges a mistake or puts something right is unlikely to start once real money is involved.

How to test a partner before committing

You do not have to decide everything at once. Build in stages.

1. Slow the pace. Give yourself time to see the person under stress, across different situations and when there is no audience.
2. Start with a small, contained project with a clear scope and end date before forming a company or partnership together.
3. Set a small boundary and watch the reaction. For example, "I'll need a week to review this with my accountant." A good partner accepts it; a problem partner pushes back.
4. Keep a dated record of what is agreed in each conversation, and confirm key points by email afterwards.

Put it in writing before you start

In an ordinary UK partnership, the government notes that partners personally share responsibility for the business, including its losses and bills. That makes clear written terms essential. The US Small Business Administration similarly says it is widely recommended to create a partnership agreement to protect yourself and your business, even where it is not legally required.

A partnership or shareholders' agreement should cover, at minimum: who owns what, what each person contributes, how decisions are made, how profits are shared, what happens if someone wants to leave or stops contributing, and how disputes are resolved. Have it drafted or reviewed by a solicitor. If a potential partner resists this step, you have your answer. This article is general information, not legal advice.

Key takeaways

• Look for patterns, not one-off oddities.
• Check Companies House, the disqualified directors register and the insolvency register.
• Be wary of urgency, secrecy, vague money answers and resistance to professional advice.
• Test the partnership with a small project and a small boundary before going all in.
• Keep a dated record and confirm agreements by email.
• Sign a written partnership or shareholders' agreement, reviewed by a solicitor, before money moves.

Many of these warning signs are about behaviour as much as business. Red Flags: How to Spot and Handle Unstable, Manipulative People sets out a six-step method for testing someone's character over time, keeping a dated record, and how the same patterns show up at work and around money. For other topics, see the wider Asendify library of practical playbooks.

FAQ

Is a past failed business a red flag?

Not on its own. Many successful founders have closed businesses. What matters is how they talk about it: whether they are open about what happened, what they learned and whether the record matches their account. Blaming everyone else every time is the more worrying sign.

Can I go into business with a friend without a contract?

You can, but it is risky. Disagreements over money, effort and exits are common even between close friends, and a written agreement protects the friendship as well as the business by settling those questions while everyone is getting on.

What should I do if I spot red flags after we've started?

Stop putting in more money or commitments while you take stock. Gather your records, review what your agreement says about exits and disputes, and take advice from a solicitor or accountant before acting. If you suspect fraud, report it to the police.

More playbooks on other topics: https://www.asendify.co/books/

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