Worrying about intellectual property is one of the main reasons companies hesitate to outsource software development. The worry is reasonable, and the protections are well known. Most of them cost nothing except a little discipline at the start. This guide covers the contract, access, data and handover. It is practical advice, not legal advice, so have your lawyer review the contract itself.

Put ownership in the contract

  • IP assignment. All code, designs, documents and other work created for you belong to you, from creation, once paid for.
  • Confidentiality. An NDA, signed before you share anything sensitive, that also covers the partner's staff.
  • Third-party components. Open-source libraries and licensed components are listed, with their licences, so you know what you are shipping.
  • Re-use. If the partner re-uses its own existing tools or templates, the contract says so and gives you a licence to use them.

Keep the source code in your accounts

The simplest protection is ownership of the places where the work lives. Create the Git repository in your own GitHub, GitLab or Azure DevOps organisation and invite the developers. Do the same with hosting, domains, app store accounts and third-party services. If the relationship ends, you remove access, and nothing has to be handed back.

Give access on a need-to-know basis

  • Personal accounts for every developer, never shared logins.
  • Only the access each person needs. Most developers never need production database credentials.
  • Multi-factor authentication on the repository, the cloud console and email.
  • Secrets such as API keys and connection strings kept out of the repository, in a secrets manager or the hosting configuration.

Protect real data

Development and testing rarely need real customer data. Use anonymised copies or generated test data. When real data is unavoidable, for example to investigate a production bug, agree who may see it, for how long, and how it is deleted afterwards. If you handle personal data from the EU or the UK, make sure the contract covers data protection.

Agree a policy on AI tools

Developers increasingly use AI coding assistants. Decide in advance whether your code or data may be sent to such tools, and which ones are allowed. A clear written policy protects both sides.

Plan the handover from day one

  • A README that explains how to build, configure and deploy the system.
  • Database migrations and deployment steps in the repository, not in someone's head.
  • Documentation of integrations, scheduled jobs and anything unusual.
  • An offboarding checklist: revoke accounts, rotate the secrets the partner could see, confirm deletion of local copies.

Choose a partner with something to lose

Finally, the best protection is a partner whose business depends on its reputation. An established company with live products, named clients and a long record has every reason to protect your code as carefully as you do.

Read our commitments on code ownership, confidentiality and AI use on the security, IP and AI policy page, or ask us anything about how we protect client projects.