If you're asking whether you need a lawyer to draft a contract, legally, the answer is no. Anyone can draft a contract on their own and as long as the elements above are included and both parties are legally competent and consent to the agreement, it is generally lawful.
How to write an agreement letter Title your document. Provide your personal information and the date. Include the recipient's information. Address the recipient and write your introductory paragraph. Write a detailed body. Conclude your letter with a paragraph, closing remarks, and a signature. Sign your letter.
Write the contract in six steps Start with a contract template. Open with the basic information. Describe in detail what you have agreed to. Include a description of how the contract will be ended. Write into the contract which laws apply and how disputes will be resolved. Include space for signatures.