TriNet a Professional Employer Organization (PEO) as co-employer : immigration

My spouse’s firm is within the technique of exploring switching to TriNet to handle their advantages and payroll (one of many HR individuals is her pal so she came upon). My spouse is on a H1B, so will this be a possible drawback for her with immigration? So far as she heard, Trinet shall be used for advantages and payroll the place on the W2, TriNet shall be listed because the employer. Taking a look at evaluations of TriNet, they appear to massive and never a shady firm I anticipated (https://www.investopedia.com/best-peo-services-5088881). Are you able to guys present some suggestions? Thanks.