Create a bespoke document in minutes,聽or upload and review your own.
Get your first 2 documents free
Your data doesn't train Genie's AI
You keep IP ownership聽of your information
Joinder Agreement
I need a Joinder Agreement to add a new party to an existing contract, ensuring they assume the same rights and obligations as the original parties. The agreement should clearly outline the effective date, the specific contract being joined, and any necessary consent from the existing parties.
What is a Joinder Agreement?
A Joinder Agreement lets new parties formally join an existing contract or legal arrangement without having to create an entirely new agreement. It's commonly used in Australian business deals, partnerships, and investment structures when bringing additional stakeholders on board.
These agreements streamline the process of adding new participants by having them agree to all the terms and obligations of the original contract. In Australian corporate law, you'll often see Joinder Agreements in shareholders' agreements, joint ventures, and unit trust arrangements - saving time and keeping things legally consistent as groups expand.
When should you use a Joinder Agreement?
Use a Joinder Agreement when adding new investors, partners, or participants to an existing contract in Australia. This proves especially valuable in fast-growing businesses, property syndicates, or investment funds where new parties regularly come aboard. For example, when a startup brings in additional shareholders or a property trust welcomes new unit holders.
The agreement becomes essential during mergers, joint ventures, or when expanding business partnerships. It saves significant time and legal costs by avoiding the need to draft and negotiate entirely new contracts. Many Australian companies use Joinder Agreements during capital raising rounds or when restructuring ownership arrangements.
What are the different types of Joinder Agreement?
- Simple Joinder: Used for straightforward additions to existing agreements, typically involving single parties joining standard commercial contracts or shareholder arrangements
- Comprehensive Joinder: Contains detailed terms and warranties, commonly used in complex investment structures or multi-party business ventures
- Conditional Joinder: Includes specific conditions that must be met before the new party officially joins, often used in staged investments or performance-based partnerships
- Deed of Joinder: A more formal variation executed as a deed, providing additional legal protection and commonly used in high-value transactions or trust arrangements
Who should typically use a Joinder Agreement?
- Original Contract Parties: Existing shareholders, partners, or members who must approve and facilitate new parties joining their agreement
- New Participants: Incoming investors, business partners, or stakeholders who sign the Joinder Agreement to become bound by the original contract terms
- Corporate Lawyers: Draft and review Joinder Agreements to ensure legal compliance and protect all parties' interests
- Company Directors: Authorize and execute Joinder Agreements on behalf of their organizations
- Company Secretaries: Maintain records and handle the administrative aspects of implementing Joinder Agreements
How do you write a Joinder Agreement?
- Original Agreement Details: Locate and review the complete original contract, noting key terms and obligations
- New Party Information: Gather full legal names, ABNs, registered addresses, and authorized signatories of joining parties
- Existing Approvals: Confirm all required consents from current parties for the new addition
- Specific Rights: Define exactly which rights and obligations the joining party will assume
- Custom Conditions: List any special requirements or modifications for the new party
- Execution Details: Determine signing format (deed or agreement) and required witness details
What should be included in a Joinder Agreement?
- Identification Section: Full legal names and details of all parties, including the original agreement parties
- Reference to Original: Clear citation of the existing agreement being joined, including its date and parties
- Acceptance Clause: Express agreement to be bound by all terms and conditions of the original contract
- Effective Date: Specific timing of when the new party's rights and obligations commence
- Representations: Statements confirming the new party's capacity and authority to join
- Execution Block: Proper signature sections with witness requirements if executed as a deed
- Governing Law: Explicit statement that Australian law governs the agreement
What's the difference between a Joinder Agreement and a Consortium Agreement?
A Joinder Agreement differs significantly from a Consortium Agreement, though both involve multiple parties working together. Understanding these differences helps you choose the right document for your situation.
- Purpose and Timing: Joinder Agreements add new parties to an existing arrangement, while Consortium Agreements create fresh collaborative relationships from scratch
- Structure: Joinder Agreements primarily reference and adopt existing terms, whereas Consortium Agreements establish new terms, roles, and responsibilities
- Flexibility: Consortium Agreements offer more room for negotiating terms between all parties, while Joinder Agreements typically require accepting pre-established conditions
- Implementation: Joinder Agreements can be executed quickly as they rely on existing frameworks, but Consortium Agreements often need longer negotiation and drafting periods
Download our whitepaper on the future of AI in Legal
骋别苍颈别鈥檚 Security Promise
Genie is the safest place to draft. Here鈥檚 how we prioritise your privacy and security.
Your documents are private:
We do not train on your data; 骋别苍颈别鈥檚 AI improves independently
All data stored on Genie is private to your organisation
Your documents are protected:
Your documents are protected by ultra-secure 256-bit encryption
Our bank-grade security infrastructure undergoes regular external audits
We are ISO27001 certified, so your data is secure
Organizational security
You retain IP ownership of your documents
You have full control over your data and who gets to see it
Innovation in privacy:
Genie partnered with the Computational Privacy Department at Imperial College London
Together, we ran a 拢1 million research project on privacy and anonymity in legal contracts
Want to know more?
Visit our for more details and real-time security updates.
Read our Privacy Policy.