Tandem Professional Employer Services, IV 401(k) Plan
What public Form 5500 filings show about the Tandem Professional Employer Services, IV 401(k) plan — and how to find and check your own account.
The Tandem Professional Employer Services, IV 401(k) on its latest Form 5500
Tandem Professional Employer Services, IV (EIN 77-0638961) reports RETIREMENT 401(K) PLAN on its most recent Form 5500, with $0 in plan assets across 0 active participants. Form 5500 is the annual report employers file with the U.S. Department of Labor for their retirement plans, and it’s public.
See the full Tandem Professional Employer Services, IV filing — schedules, fees, and providers.
Who runs the Tandem Professional Employer Services, IV 401(k)?
The plan’s recordkeeper — the firm that runs the website and statements where you check your balance, change contributions, and manage your account — is John Hancock, based on the plan’s Schedule C service-provider disclosure. That’s the login you use for your Tandem Professional Employer Services, IV 401(k).
How to check your Tandem Professional Employer Services, IV 401(k)
- Log in to John Hancock’s participant portal (the site on your statements).
- Ask Tandem Professional Employer Services, IV HR or benefits for the recordkeeper name and enrollment link.
- Left the company? Your balance stays in the plan until you roll it over — see how to find a lost 401(k).

