To tender a contract means to present to another person or a company an offer of money for a service, according to West's Encyclopedia of American Law. Tendering a contract is a common legal process for bigger projects -- those in which a business offers to supply goods, perform a job or buy another business. Legal Definition of Tender. A tender is an offer to do or perform an act which the party offering, is bound to perform to the party to whom the offer is made. A tender may be of money or of specific articles; these will be separately considered. Prerequisites For Making a Valid Tender. Of the lender of money.