Merger Filing Requirements in South Africa (2026 Guide)

Mergers and acquisitions in South Africa are not purely commercial transactions. They are regulated events that can be delayed, conditioned or even prohibited by the competition authorities.

Failure to comply with merger filing requirements can result in:

• Administrative penalties of up to 10% of annual turnover

• Transactions being declared void

• Significant delays or collapse of the deal

• Increased regulatory scrutiny in future transactions

Barter McKellar advises clients on navigating merger approvals efficiently and avoiding regulatory risks that can derail transactions.

What is a “Merger” Under South African Law?

Under the Competition Act 89 of 1998, a merger arises when one or more firms acquire direct or indirect control over another business. This includes:

• Share acquisitions

• Asset purchases

• Joint ventures

• Arrangements that confer control or material influence

Importantly, the concept of control is interpreted broadly and extends beyond majority shareholding.

When is a Merger Filing Required?

Determining whether a transaction is notifiable is one of the most critical steps. Incorrect assumptions at this stage frequently lead to serious consequences.

Mergers are classified into three categories.

• Small Mergers

Small mergers are generally not notifiable. However, the Competition Commission retains the power to require notification.

This creates a material risk. Parties often proceed without filing, only to be required to notify after implementation, exposing them to penalties and uncertainty.

• Intermediate Mergers

Intermediate mergers must be notified where the combined turnover or asset value of the parties meets the prescribed threshold of R600 million.

These transactions may not be implemented before approval has been obtained.

• Large Mergers

Large mergers are subject to a higher threshold and require approval from the Competition Tribunal.

These transactions are subject to more extensive scrutiny and longer timelines.

What Does “Control” Mean?

The concept of control is one of the most misunderstood aspects of merger regulation in South Africa. A merger may be triggered even where:

• Less than 50% of shares are acquired

• Minority protections or veto rights are obtained

• Strategic influence is exercised

• Key management appointments are controlled

This broad interpretation means that transactions which appear commercially minor may still require notification.

Failure to properly assess control can result in the transaction being implemented unlawfully.

The Merger Filing Process

Although the process appears administrative, it is highly technical and requires careful management.

Step 1: Assess Notifiability

A detailed legal and financial analysis is required to determine whether the transaction triggers notification.

Step 2: Prepare the Filing

The filing requires:

• Financial information

• Market and competition analysis

• Detailed information about the parties

• Public interest disclosures

Incomplete or inaccurate filings frequently lead to delays.

Step 3: Submission and Engagement

Once submitted, the Competition Commission may:

• Request additional information

• Engage with competitors or customers

• Conduct its own market inquiries

Step 4: Regulatory Assessment

The Commission evaluates:

• The impact on competition

• Public interest considerations such as employment and BEE

Step 5: Outcome

The merger may be:

• Approved without conditions

• Approved subject to conditions

• Prohibited

Conditions can materially affect the commercial structure of the transaction.

How Long Does Approval Take?

Typical timelines are:

• Intermediate mergers: approximately 20 to 60 business days

• Large mergers: several months

Delays are common where filings are incomplete or where concerns arise.

Poor planning can disrupt transaction timelines and financing arrangements.

Consequences of Failing to File

Failure to notify a notifiable merger carries significant risk.

The Competition Commission has increased its enforcement against so-called “gun-jumping”, where transactions are implemented before approval.

Consequences include:

• Administrative penalties of up to 10% of turnover

• Orders to unwind the transaction

• Reputational damage

• Increased regulatory scrutiny

These outcomes can undermine the commercial rationale of the deal.

Public Interest Considerations

South African competition law places particular emphasis on public interest factors. These include:

• Employment

• Ownership by historically disadvantaged persons

• Local industrial development

• Participation by small businesses

Even where there are no competition concerns, a transaction may still be subject to conditions or refusal based on public interest grounds.

Common Mistakes

Businesses frequently:

• Assume a transaction is too small to require notification

• Misinterpret the concept of control

• Implement transactions prior to approval

• Underestimate public interest risks

• Submit incomplete or poorly prepared filings

These mistakes often result in delays, penalties or the need to renegotiate transaction terms.

When to Seek Legal Advice

Legal advice should be obtained before signing or implementing a transaction where:

• Shares or assets are being acquired

• A joint venture is being established

• There is uncertainty regarding control

• The transaction is time-sensitive

• Regulatory approval is a condition for funding

Early advice can prevent costly errors and delays.

How Barter McKellar Can Assist

Barter McKellar provides practical, transaction-focused advice, including:

• Assessing whether a merger is notifiable

• Structuring transactions to manage regulatory risk

• Preparing and submitting filings

• Engaging with the Competition Commission

• Managing approval timelines and conditions

Our focus is on ensuring that transactions proceed efficiently and with minimal regulatory disruption.

Get Merger Approval Right the First Time

Merger control is not a procedural formality. It is a critical legal requirement that can determine whether a transaction proceeds at all.

Engaging with the regulatory framework early reduces risk and protects deal value.

Speak to a competition law specialist at Barter McKellar. Request advice on your transaction before implementation.