# Wiss & Company, LLP Source: https://planprovider.pro/provider/wiss-and-company > Founded in 1969, Wiss & Company, LLP works with businesses across the New Jersey–New York metro area on audit and related assurance needs. Headquartered… Employee Benefit Plan Auditor New York, NY ## About Wiss & Company, LLP

Founded in 1969, Wiss & Company, LLP works with businesses across the New Jersey–New York metro area on audit and related assurance needs.

Headquartered in New York City, the firm is an accounting practice that also provides tax, advisory, and wealth management services for growth-oriented companies, with a focus on middle-market industries.

Assurance partner Craig Erickson is one of the firm’s key leaders. He has more than 20 years of public accounting experience and works with clients in manufacturing, distribution, and professional services on accounting, audit, and consulting projects.

What sets Wiss apart is its mix of assurance work with technology tools used to produce practical reporting and analysis for client decision-making. Sponsors looking for 401(k) auditors can also use the firm’s broader accounting resources when retirement plan issues intersect with financial reporting and tax work.

Website: [https://www.wiss.com](https://www.wiss.com) Founded: 1969 ## Office Locations - New York, NY (Headquarters) ## Audit Statistics (2024) - Total Plans Audited: 91 - Total AUM Audited: $19.9B - 401(k): 91 plans, $19.9B AUM ## Plans Serviced (2024) Largest plans where this firm is listed as a service provider (Schedule C) or IQPA (Schedule H) on the most recent filings (From Form 5500). | Plan|Sponsor|Assets|Participants| | THE MOUNT SINAI MEDICAL CENTER 403(B) RETIREMENT PLAN| THE MOUNT SINAI MEDICAL CENTER, NY| $9.5B| 46,304| | ATLANTIC HEALTH SYSTEM 403(B) RETIREMENT SAVINGS PLAN| ATLANTIC HEALTH SYSTEM INC., NJ| $1.3B| 22,873| | THE LONZA US SAVINGS PLAN| LONZA USA INC., NJ| $1.2B| 5,125| | EMPLOYEES' CASH BALANCE PLAN OF ATLANTIC HEALTH SYSTEM, INC.| ATLANTIC HEALTH SYSTEM, NJ| $964M| 4,770| | THE EISAI RETIREMENT PLAN| EISAI CORPORATION OF NORTH AMERICA, NJ| $927M| 1,779| | 401(k) Retirement Plan| Healthcare Sponsor, NY| $564M| 2,205| | 401(k) Retirement Plan| Manufacturing Sponsor, NJ| $471M| 1,795| | 401(k) Retirement Plan| Professional Services Sponsor, NJ| $375M| 188| | 401(k) Retirement Plan| Technology Sponsor, NY| $359M| 4,084| ### 🔒 Want to unlock and download Wiss & Company, LLP's client list? Subscribe to Basic or Premium today to reveal and download all 101 client plans. [Subscribe Today](https://planprovider.pro/pricing) Are you with Wiss & Company, LLP? [Claim your profile](https://planprovider.pro/auth?claim=cdbdabeb-146a-42a1-b832-445b74d721ed) to unlock and display all 101 client plans serviced by your firm. ## Other Employee Benefit Plan Auditors in NY - [KVLSM LLP](https://planprovider.pro/provider/kvlsm-llp) - Woodbury, NY - [Jaufmann & Centola PC](https://planprovider.pro/provider/jaufmann-and-centola-pc) - Pittsford, NY - [KPMG LLP](https://planprovider.pro/provider/kpmg-llp) - New York, NY - [Frendel, Brown & Weissman LLP](https://planprovider.pro/provider/frendel-brown-and-weissman-llp) - New York, NY - [Gould, Kobrick & Schlapp, P.C.](https://planprovider.pro/provider/gould-kobrick-and-schlapp-pc) - New York, NY - [Bonadio & Co LLP](https://planprovider.pro/provider/bonadio-and-co-llp) - Pittsford, NY - [Fitzsimmons Abrams, LLP](https://planprovider.pro/provider/fitzsimmons-abrams-llp) - New York, NY - [Sciarabba Walker & Co., LLP](https://planprovider.pro/provider/sciarabba-walker-and-co-llp) - Ithaca, NY - [Perlson LLP](https://planprovider.pro/provider/perlson-llp) - North Massapequa, NY - [Lehman Flynn Vollaro NY CPA's PLLC](https://planprovider.pro/provider/lehman-flynn-vollaro-ny-cpas-pllc) - New York, NY [View full interactive profile on PlanProvider.Pro](https://planprovider.pro/provider/wiss-and-company) © 2026 PlanProvider.Pro