Share Purchase Agreements (SPA): your practical legal guide

Adam Kudryl

If you’re buying or selling a business that operates as a business, the most common way to do it is via a share purchase. The contract for sale is usually called a share purchase agreement or SPA.

The reason for buying a company’s shares rather than its assets is to keep the business intact but under new ownership. All employees, contracts and property remain in place.

While it’s possible to find model SPAs on the internet, we wouldn’t recommend using them. It’s safer to have lawyers create a document that’s bespoke to the deal and reflects the nuances of the business. Your lawyer will make sure the SPA protects your interests, whether you’re buying or selling.

This guide walks you through the SPA process and the main terms of the agreement.

Jump to:

  1. What is a share purchase agreement (SPA)?
  2. Who prepares the first draft of the SPA?
  3. What's the share purchase agreement process?
  4. Share purchase agreement due diligence
  5. What are the main terms of a share purchase agreement?
    1. Definitions
    2. Parties
    3. Sale and purchase of shares
    4. Price
    5. Sale conditions
    6. Best and reasonable endeavours
    7. Flexible and deferred payments, and earn-out clauses
    8. Completion
    9. Warranties and indemnities
    10. Restrictive covenants
    11. Communications and confidentiality

    What is a share purchase agreement (SPA)?

    A share purchase agreement (SPA) sets out the terms of a sale of company shares.

    Here are the main terms:

    Who prepares the first draft of the SPA?

    The buyer’s lawyers usually prepare the first draft of the SPA, because they’re the party most at risk, unless this is a company being sold at auction when the seller’s lawyer provides the contract for inspection by interested bidders.

    The buyer then investigates the company being sold (this is known as), following which the parties negotiate and sign the SPA. The buyer pays for the company, and the shares are transferred to them. Usually, this takes place on the same day.

    What's the share purchase agreement process?

    The share purchase agreement process can be divided into three main phases:

    Share purchase agreement due diligence

    During due diligence, the seller provides the buyer with information about the company such as:

    What are the main terms of a share purchase agreement?

    Definitions

    Because certain words or phrases contained in an SPA are frequently used, ambiguous or have a precise legal implication, they are included in a ‘definitions’ section. This makes the document easier to read and clearer, so avoiding future disputes.

    Parties

    The identity of the buyer and the seller appears at the beginning of the SPA, together with their addresses or registered offices. Where there are multiple shareholders, each must sign so they’re fully liable to the buyer individually and as a group. If this isn’t the case, then the SPA will say so.

    Sometimes a guarantor like a bank will also sign the SPA, as well as the company itself, for example, if business property is included in the deal.

    Sale and purchase of shares

    At the heart of the SPA is the agreement of the seller to sell, and the buyer to buy shares. Normally this is ‘with full title guarantee’ – this means the seller is fully capable of transferring the shares free of any third-party rights or restrictions.

    Price

    A SPA should specify the sale price, currency and timescale for payment. Usually, this is made in cash, although sometimes the buyer offers the seller shares loan notes – you’ll need a lawyer for this.

    The purchase price may be fixed or variable, and adjusted when the transaction completes, for example, where the price has been worked out with reference to the value of the company’s assets or earnings.

    Sale conditions

    Usually, SPAs are signed, the purchase price paid, and the shares transferred on the same day.

    Sometimes there’s a delay between signing the SPA and completion, particularly when there are conditions to be met before the sale can take place.

    If so, you’ll need a lawyer to firm up the conditions and handle the gap involved. A long-stop date by which the conditions must be fulfilled is essential, as well as a provision that states what will happen if any of the conditions aren’t met by that date.

    Here are some typical conditions:

    One of the reasons it’s so important to use a lawyer to draft an SPA is to get clarity on the conditions, who’s responsible for meeting them, how to determine whether they’ve been met, and what to do if the long-stop date isn’t met.

    Another reason to involve a lawyer is that there can be a long time between the date the contract is signed and the date that the conditions are met. During this time, the business might suffer losses or be other events that could cause the buyer to wish to withdraw. Careful SPA drafting can help protect the buyer against such unforeseen occurrences.

    Best and reasonable endeavours

    ‘Best endeavours’ has a precise legal meaning, so you shouldn’t agree to this lightly. It means that you must achieve a certain goal, no matter the cost. After ‘best endeavours’, the next most strict requirement is ‘all reasonable endeavours’ followed by ‘reasonable endeavours’.

    Flexible and deferred payments, and earn-out clauses

    The final sale price for the shares may be flexible, depending on how the company performs post-sale. If so, the business will prepare a set of completion accounts that value the company at the point of sale. If the business doesn’t perform as expected, the share price can be adjusted.

    This is complicated to draft, and you need to involve accountants or other professionals to set a fair price that reflects the parties’ expectations.

    The sale price may be paid in instalments that relate to the company’s performance post-sale. It could be calculated with reference to post-sale profits, or the meeting of performance targets. Get these drafted by a pro.

    If you are considering an earn-out clause, bear in mind:

    If part of the purchase price will be held back by the buyer following completion, for example, to meet potential claims under the seller’s warranties and indemnities, this can be put into escrow and only released when certain terms have been met.

    Completion

    The SPA needs to describe in detail what happens at completion, for example:

    Warranties and indemnities

    Because the general rule of ‘buyer beware’ applies to the sale of shares, the law doesn’t give the buyer much protection if unexpected liabilities or problems pop up after the sale. Because of this, the seller will give the buyer statements and promises regarding the state of the company’s affairs and assets (warranties).

    The seller may also give indemnities to the buyer – this means that the buyer is on the hook for any losses the buyer incurs if the warranty is breached.

    The warranties have two main purposes:

    If a warranty turns out to be untrue, the buyer will bring a breach of contract claim against the seller to recoup a portion of the purchase price. A buyer won’t be able to bring a claim for breach of warranty if the seller has already told them about the issue. For this reason, the seller will make ‘disclosures’ to the buyer during the sale so that the buyer can evaluate the nature of the risk and adjust the purchase price if necessary.

    These disclosures are made in a ‘disclosure letter’ negotiated and handed over at completion. This helps to flush out any issues not known to the buyer and that could affect the purchase price or decision to buy.

    The wording of warranties and indemnities must be extremely precise and should be drafted by an expert.