Over the years, I’ve seen plenty of advisers make great acquisitions, and just as many walk into traps that could’ve been avoided. From handshake deals that went sour to missed clawback liabilities, there are patterns that repeat across the industry.

In my own experience, and through countless transactions I've been involved with, there are five key mistakes that come up time and again. These can cost you time, money, and in some cases, your reputation. Here’s what to look out for, and how to make sure you’re setting yourself up for success.

1. Rushing the Due Diligence

One of the most common mistakes I’ve seen is brokers making decisions based on topline numbers without looking under the hood.

Just because a book shows good trail income doesn’t mean it’s healthy. What are the churn rates? How concentrated is the revenue? Are there any ongoing disputes or compliance issues? If these aren’t investigated early, you risk overpaying, or buying something you can’t grow.

" Good due diligence isn’t about being paranoid. It’s about buying with clarity. "

2. No Restraints on the Seller

You’d be surprised how many deals are done with nothing stopping the seller from re-entering the market next month, and picking off the very clients you just paid for.

Whether intentional or not, this happens more than you think. Proper restraint clauses (non-compete, non-solicitation) protect the value of your purchase and ensure you get the breathing room to build those relationships.

If the deal doesn’t include them, ask why, and proceed with caution.

3. Poorly Drafted Legal Agreements

When legal contracts are vague or incomplete, the entire transaction is at risk. I've seen situations where it wasn't even clear who was responsible for clawbacks, or what happened if revenue dropped post-settlement.

A solid legal agreement should clearly outline:

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    What’s being sold (clients, trail, leads, goodwill)
  • policy
    Restraints and warranties
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    Clawback liability
  • payments
    Payment terms and contingencies

Anything less exposes both parties to unnecessary risk. The right documentation isn’t just protection, it’s peace of mind.

4. Overlooking Clawbacks

This one can really sting. If clawback provisions aren’t addressed properly, you could end up paying a premium for revenue that disappears, and still be liable for commissions you never earned.

Buyers should always ask:

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    What’s the clawback period?
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    Who carries the liability?
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    Is there any current exposure?
  • savings
    Can some portion of the sale price be held in reserve or contingent?
" Ignoring clawbacks can turn a strong book into a bad investment. "

5. Misreading Client Relationships

Not all client relationships are created equal. Some are rock solid. Others are tied to a specific person in the business, who may not be part of the transition.

If a key staff member or the original adviser is walking away, how confident are you that those clients will stay? What support is being offered to smooth the handover?

The success of the acquisition depends heavily on the transition. Don’t just look at the data, look at the people.