PKF O'Connor Davies, LLP Hauppauge, United States Information
Summary
PKF O'Connor Davies, LLP is a well‑established firm headquartered in Hauppauge, NY, founded in 1891. The practice focuses on bookkeeping while delivering professional accounting, auditing and taxation services to a diverse client base. With a workforce of between 500 and 1000 employees, the company balances depth of expertise with agile responsiveness.
The leadership team is headed by Chief Executive Officer Vipen Ruhela, supported by Partners Stephen Antaki and the retired Robert McGrath. Technical strategy is driven by CTO Zoltan Derzsi, while Kenneth Laks serves as Tax Principal overseeing tax matters. Front‑office operations are coordinated by Breanne Lowe; Jennifer Ilgaz handles senior accounting responsibilities, and Laura DiGuiseppi manages bookkeeping functions.
Additional executives include Alexey Zhavzharov (AVZ), Alexander Rylov (Export Sales & Development Manager) and Facundo Alvarez, who brings digital growth consulting to the firm.
| Website | pkfod.com |
| Social Links | |
| Phone Number | 631-434-9500 |
| Industries | |
| Headquarters Address | 25 Suffolk Court, Hauppauge, NY, 11788 US |
| Company Size | 500-1000 employees |
| Specialities & Services | Accounting, Auditing, Taxation |
| Founded | 1891 |
| Updated: | 2026-09-09 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 2002 | Partnership | 25 - 100 | |
| 1956 | Partnership | 1 - 25 | |
| 1949 | - | 100-200 |
Estimated Website Traffic
The chart shows a decline in traffic to the pkfod.com website. In September, traffic decreased to 17641, compared to 20984 in the previous month. The highest traffic in 2026 was recorded in January, reaching 26477 visits.
Workforce Turnover
Corporate Tenure Analytics
Workforce Experience Insights
12% have been with the company for 5 to 7 years4% have been with the company for 8 to 10 years84% have been with the company for more than 11 yearsSimilar Companies
FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.







