Confidential work can demonstrate valuable skills without becoming a public work sample. Start with permission and ownership, then choose evidence you can explain without exposing private information or material you are not authorized to share.
Check permission before choosing or publishing a sample
Do not upload work first and try to make it safe afterward. Identify the restrictions, ask the appropriate person what may be disclosed and use an alternative when permission is unavailable.
- Identify who owns the work and which policies or agreements apply.
- Check whether client, employer, participant or other permissions are relevant.
- Ask who is authorized to approve portfolio use and what form of approval is needed.
- Choose an approved sample, an original demonstration or a permitted description.
- Review the final material for private information and unapproved details.
- Explain your contribution and limitations honestly.
Removing a name, using a password or asking a recruiter to sign an agreement does not automatically authorize disclosure. Seek qualified advice when your rights or obligations are unclear.
Separate three questions: relevance, ownership and confidentiality
A sample may be relevant to a job while still belonging to someone else. A document may contain no personal names while revealing a confidential method, customer relationship or business plan. Treat those as separate checks.
A manager’s informal approval may not address every applicable restriction. Ask which process and approval authority applies rather than assuming a friendly response grants unlimited rights.
Read the Canadian Intellectual Property Office’s trade-secret overview for context on confidential business information.
You will go to https://www.ised-isde.canada.ca
The overview is not a decision about your contract, U.S. law or a particular document. Check the actual obligations before sharing.
Compare three evidence options
Approved work: use only the version and scope you are permitted to show. Keep the approval record and respect any limits on audience or publication.
An original demonstration: create a new problem and synthetic information without reproducing protected material. Label it as a demonstration, not a client assignment.
A permitted contribution statement: describe the role, general problem and your contribution at the level you are allowed to discuss. Leave out details you cannot disclose.
These options answer different hiring questions. A demonstration can show current ability but cannot establish that you delivered the same result for a real client.
Work through a confidential-project example
Imagine you helped improve an employer’s scheduling process, but the records and internal workflow cannot be shared. Do not export the real spreadsheet and replace names with letters.
Instead, ask whether an approved high-level account is possible. Separately, you might create a fictional scheduling exercise from scratch, with invented appointments and a simple conflict rule. Explain that the demonstration is original and not the employer’s system.
Show how the exercise handles a duplicate appointment or missing field. Do not copy a proprietary method, private code or unique internal structure under the label fictional. If you cannot create the demonstration without relying on restricted material, choose another sample.
Make your contribution easy to assess
State the problem, what you did, the evidence available and what you cannot show. Credit collaborators and identify assistance. Do not claim the entire team’s result as your own.
Review CareerOneStop’s portfolio guidance for organizing relevant samples and explanations.
You will go to https://cloudfront.careeronestop.org
If you lack a publishable result, a precise permitted description can still be useful. Do not invent metrics or testimonials to fill the space.
Treat private sharing as disclosure too
A password-protected folder, private repository or interview screen share still gives information to another person. Check whether that use is permitted; privacy settings are not a substitute for authorization.
Do not upload confidential work into an unapproved AI or document service to produce a sanitized version. That upload can itself create a disclosure problem before the final sample exists.
For technical work, our GitHub portfolio guide covers clear setup and contribution evidence. Use only material you are allowed to place there.
Prepare for an interview request to see restricted work
Explain the boundary briefly: “I cannot share that employer’s files, but I can describe my permitted contribution and show an original exercise demonstrating the relevant skill.” Ask what capability the interviewer needs to evaluate.
If they request confidential data anyway, do not assume the request overrides your obligations. Offer an appropriate alternative or decline that disclosure. A hiring process should not require you to invent permission.
Review the final portfolio as a whole
Check files, metadata, screenshots, comments, links and access settings. A résumé or public profile can also disclose details, so keep the same standards across formats.
Use clear skill evidence instead of relying on restricted work as your only proof. A portfolio should support a truthful conversation while respecting the limits that apply to the material.