The Contract Mistakes That Cost SMEs the Most

Many SMEs have contracts, but the contracts are often too vague to help when payment, delivery, liability or termination issues arise. This insight highlights the points businesses should check before signing.

If you already have a contract, why can things still go wrong?

Many SMEs do not lose money because they have no contract. They lose money because the contract is too vague, too thin, or not practical enough when the business relationship runs into trouble.

A good commercial contract does not need to be long or full of legal language. But it should answer a few basic questions clearly: who does what, by when, under what standard, when payment is due, what happens if one party fails to perform, and how the relationship can end if things no longer work.

For many SMEs, a contract is treated as something to “close the deal”. In practice, it should also protect cash flow, responsibility, and the business relationship.

The problem often starts with contracts signed too quickly

Most SMEs sign many types of agreements: sale and purchase contracts, service agreements, distribution agreements, agency agreements, leases, employment contracts, partnership arrangements, and contracts with key suppliers or customers.

Because business moves fast, contracts are often handled quickly. An old template is reused. A draft from the other side is lightly edited. Some clauses remain because “we have always used this version”. Sometimes, the person signing does not really read the parts on liability, payment, penalties, compensation, termination, confidentiality, or dispute resolution.

The issue usually appears later.

A customer delays payment. A supplier delivers poor-quality goods. A partner walks away. An employee keeps important files. One side says the work is complete; the other says it is not. Only then does the business open the contract and realize it is not clear enough to help.

Small drafting gaps can become expensive

Several mistakes appear again and again.

The first is a vague scope of work or product description. Phrases like “marketing services”, “business consulting”, or “delivery as requested” may sound acceptable, but they are not enough if there is no clear scope, timeline, output, acceptance standard, or person responsible for approval.

The second is weak payment terms. A contract may state the price and payment deadline, but not the payment conditions, required documents, invoice timing, consequences of late payment, right to suspend services, or interest on overdue amounts. For SMEs, this can directly hurt cash flow.

The third is the absence of an acceptance clause. This is common in service, technology, design, construction, marketing, consulting, and project implementation contracts. Without clear acceptance criteria and response timelines, one party may delay confirmation, while the other party may demand payment even when the output is disputed.

The fourth is unclear contract termination. Many contracts state the contract term, but do not clearly say when early termination is allowed, how much notice is required, what happens to unpaid amounts, handover materials, data, or obligations that should survive termination.

The fifth is unlimited or poorly balanced liability. Some SMEs accept liability that is far larger than the value of the contract. Without a reasonable liability cap, exclusions, and clear rules on compensation, a small transaction may carry a much bigger risk than expected.

A weak contract may stay quiet until there is a dispute

When everything goes well, nobody reads the contract again. But when payment is delayed, delivery fails, goods are defective, confidential information is misused, or one party wants to exit, the contract becomes the most important document in the room.

For SMEs, contract risk is not only about money. It also affects management time, legal costs, customer trust, partner relationships, and missed opportunities.

“A good contract does not slow down a transaction. It helps a business enter the transaction with less ambiguity, less risk, and more control.”

Doanh Nguyen

Founder & Managing Partner, Potekyu Law Firm

What should be checked before signing?

Before signing an important contract, a business should check at least seven points: scope, payment, acceptance, liability, termination, confidentiality or data, and signing authority.

If the contract is high-value, long-term, repeatedly used, or linked to important revenue, an independent contract review is often worth doing. It is not about making the deal more complicated. It is about making sure the deal can survive real business pressure.

Before the next contract, ask one question

If this transaction does not go as expected, is the current contract clear enough to protect the business?

If the answer is “not sure”, it is worth pausing before signing.