Queensland law does not wait for business owners to write things down. Under the Partnership Act 1891 (Qld), where partners have no agreement they share equally in capital and profits, contribute equally towards losses, and no partner is entitled to be paid for working in the business — so the partner doing most of the hours has no automatic right to a wage for them. Those rules are expressly subject to any agreement between the partners, including an oral or implied one. Liability is sharper again: every partner is liable jointly for the firm's debts and obligations incurred while a partner, and jointly and severally for wrongful acts or omissions and misapplied money or property the firm is liable for.
That is not abstract here. The Oxley Avenue corridor is recorded in the City of Moreton Bay's own local-history archive as the suburb's historic retail spine, the archive noting the Woody Point Post Office and Shops at the Lilla Street corner. Even the foreshore trades: Apex Park on Hornibrook Esplanade is published by the City of Moreton Bay as a bookable commercial event site. Ventures that begin at that scale, on a verbal understanding about who paid for what and how takings are split, can already be partnerships in law. Woody Point also has a business-owner network meeting in the suburb itself, the Peninsula Business Network at the Eildon Croquet Club on Oxley Avenue.
Companies carry their own version of the same silence. A company registered without a constitution runs on the replaceable rules in the Corporations Act 2001 (Cth), and it is the constitution that can displace or modify them. Two people who registered a company quickly and never adopted one are governed by off-the-shelf provisions written for companies in general. Where a member considers the company's affairs are being conducted oppressively or in a way that is unfairly prejudicial to them, the Act allows a court to make orders ranging from regulating the conduct of the company's affairs in future to ordering a purchase of shares.
None of that means a dispute is inevitable, or that anyone has behaved badly. It means the gaps get filled by rules nobody chose, and owners usually find out which rules apply once they have already stopped agreeing. Our work is to establish what position each owner actually holds — partner, shareholder, director, or several at once — explain what the law provides for it, and, where the relationship allows, get a written partnership or shareholders agreement in place with an exit mechanism.