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Contract Formation: Offer, Acceptance, and Consideration
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A 4-page document titled "Service Agreement" sits in a folder on the desk of a sole proprietor who operates a consulting practice in southwestern Ontario. The document outlines terms for a 12-month engagement with a regional manufacturing company that produces custom metal components for the automotive sector. The consulting practice would provide operational efficiency assessments and implementation support at a rate of $8,500 per month, with the arrangement set to begin on the 1st of the following month. Both parties discussed the terms over 3 meetings spanning 6 weeks, and the manufacturing company's operations manager sent an email stating the company was "ready to proceed" and asking when the consultant could start. The consultant began preparing for the engagement, declining 2 other potential clients and purchasing $3,200 worth of specialized software to support the work.

The document was never signed by either party. The manufacturing company's owner, who had not been present at the meetings, learned of the proposed arrangement and instructed the operations manager to halt the process. The operations manager sent a brief email indicating the company had "decided to go in a different direction" and would not be moving forward. By that point, the consultant had already blocked out the 12-month period in the practice's scheduling system and had begun preliminary research on the manufacturer's production processes using publicly available information.

The consultant believes a binding contract exists based on the email communications and the clear terms that were discussed and documented. The manufacturing company maintains that no contract was formed because the written agreement was never executed and the operations manager lacked authority to bind the company. The consultant points to the $3,200 expenditure and the lost client opportunities as evidence of reliance on what was understood to be a concluded deal. The manufacturing company responds that preliminary discussions and preparation do not transform negotiations into enforceable obligations.

The parties now face a fundamental disagreement about whether their exchanges constituted an offer and acceptance that created binding obligations, whether the consideration element was satisfied before the arrangement was repudiated, and whether the unsigned document and email correspondence together or separately evidence a contract. The consultant must determine what legal recourse, if any, is available, while the manufacturing company must assess its exposure for what it views as a negotiation that simply did not conclude.

Offer and Acceptance: How Contracts Are Formed and How They Can Fall Apart

Every contract begins with a conversation. Someone proposes something, someone else agrees to it, and an obligation is born. This deceptively simple exchange—offer and acceptance—forms the backbone of contract formation in Canadian law, yet it conceals remarkable complexity that catches business owners off guard every day. Understanding how contracts come into existence, and equally important, how they can fail to materialize despite everyone's best intentions, is essential knowledge for anyone operating a business, running a non-profit, or providing professional services in Canada.

The doctrine of offer and acceptance has developed over centuries in common law jurisdictions, including British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, and the Atlantic provinces. Quebec operates under a civil law framework governed by the Civil Code of Quebec, which codifies similar principles but with distinct terminology and some meaningful differences in application. Despite these structural differences, the fundamental concept remains consistent across Canada: a contract requires a definite proposal by one party and an unequivocal acceptance by another. Without both elements properly aligned, no binding agreement exists, regardless of what the parties believed they were accomplishing.

An offer is more than a casual expression of willingness to do business. It must demonstrate a genuine intention to be bound upon acceptance, contain sufficiently definite terms that a contract could actually be performed, and be communicated to the person who is meant to accept it. The person making the offer, known as the offeror, must intend that their proposal, if accepted, will create legal relations. This requirement of intention filters out social arrangements, preliminary negotiations, and expressions of interest that lack the commitment necessary for contract formation. When a business owner says "we should work together sometime" or "I might be interested in buying your equipment," these statements lack the definiteness and commitment that characterizes a true offer.

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