Part­ner rela­tion­ship is a busi­ness rela­tion­ship in which two or more busi­ness­es work togeth­er on a long-term basis to achieve a com­mon goal or objec­tive. Part­ner rela­tion­ships may involve the shar­ing of resources, exper­tise, or oth­er assets, and they may be struc­tured in a vari­ety of ways.