“In partnership with” is a professional way to show that two people or organizations are working together. Natural alternatives include “in collaboration with,” “together with,” “working with,” and “in association with,” depending on how formal or active the partnership is.
Choose the Best Phrase for the Relationship
- In collaboration with
- In cooperation with
- Jointly with
- Together with
- Working with
- Working alongside
- Alongside
- In association with
- In conjunction with
- In alliance with
- Partnered with
- Teaming up with
- In a joint effort with
In collaboration with
A strong formal alternative when people or organizations contribute jointly to a project, event, or piece of work.
Example: The report was produced in collaboration with local health organizations.
In cooperation with
Use this when the emphasis is on coordinating efforts or helping one another toward a shared objective.
Example: The campaign was developed in cooperation with community groups.
Jointly with
A concise formal choice that stresses shared responsibility for an action or output.
Example: The guidance was issued jointly with the professional association.
Together with
A flexible, natural option that works in both formal and everyday writing.
Example: The university launched the initiative together with local charities.
Working with
Plain and direct, this is often the best choice when you do not need to emphasize a formal partnership.
Example: We are working with suppliers to improve delivery times.
Working alongside
This suggests close, active cooperation while each party retains a distinct role.
Example: Our team is working alongside clinicians to redesign the service.
Alongside
A compact alternative that works well when the surrounding sentence already makes the collaborative action clear.
Example: The council funded the project alongside several local businesses.
In association with
A formal phrase often used for events, publications, campaigns, or projects linked to another organization.
Example: The conference was organized in association with the research network.
In conjunction with
Use this formal expression when two activities, organizations, or resources operate together.
Example: The survey was conducted in conjunction with the annual review.
In alliance with
This emphasizes a strategic or purposeful relationship, especially between organizations or groups.
Example: The charity is campaigning in alliance with several advocacy groups.
Partnered with
A direct alternative when there is a genuine partnership and you want an active verb.
Example: The company partnered with a local college to offer training.
Teaming up with
A more conversational choice for an active collaboration, especially in less formal announcements.
Example: We are teaming up with local artists for the summer festival.
In a joint effort with
Use this when you want to emphasize that both sides contributed to a specific shared undertaking.
Example: The appeal was launched in a joint effort with neighboring communities.
Which Options Sound Most Professional?
For formal business, academic, and organizational writing, “in collaboration with,” “in cooperation with,” “jointly with,” and “in association with” are usually the safest choices. “Teaming up with” is warmer and more conversational, while “in alliance with” suggests a more strategic relationship.