PKF O'Connor Davies, LLP Hauppauge, United States Information

Contact top employees

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.

Websitepkfod.com
Social Links
facebooklinkedIntwitter
Phone Number631-434-9500
Industries
Headquarters Address25 Suffolk Court, Hauppauge, NY, 11788 US
Company Size500-1000 employees
Specialities & ServicesAccounting, Auditing, Taxation
Founded1891
Updated:2026-09-09

Competitors

Name
Founded
Type
Employees
2002Partnership 25 - 100
1956Partnership 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

arrow

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 years
Contact top employees
Breanne Lowe
Breanne LoweOffice Services Coordinator
Unlock contacts
Jennifer Ilgaz
Jennifer IlgazSemi Senior Accountant
Unlock contacts
Unlock contacts
Kenneth Laks
Kenneth LaksTax Principal
Unlock contacts
Michael Shillingsford
Michael ShillingsfordPrivate Wealth Management Intern
Unlock contacts
Robert McGrath
Robert McGrathPartner - retired
Unlock contacts
Unlock contacts
Unlock contacts
Unlock contacts
Alexander Rylov
Alexander RylovExport sales & development manager
Unlock contacts
Vipen Ruhela
Vipen RuhelaChief Executive Officer
Unlock contacts
Daria Klimova
Daria KlimovaScientist
Unlock contacts
Facundo Alvarez
Facundo AlvarezFundador y Consultor de Crecimiento Digital
Unlock contacts

FAQ

PKF O'Connor Davies, LLP Hauppauge, United States operates in the Bookkeeping industries. More details can be found on the official website: pkfod.com.
PKF O'Connor Davies, LLP Hauppauge, United States has offices located in Hauppauge, US.
The headquarters of PKF O'Connor Davies, LLP Hauppauge, United States are located in Hauppauge, United States.
You can contact PKF O'Connor Davies, LLP Hauppauge, United States by phone at 631-434-9500.
PKF O'Connor Davies, LLP Hauppauge, United States currently employs 500-1000 people.
You can contact PKF O'Connor Davies, LLP Hauppauge, United States by phone at 631-434-9500, by email at aesposito@avz.com, through social media (Facebook, LinkedIn, Twitter), or via the contact form on pkfod.com.
Well-known competitors of PKF O'Connor Davies, LLP Hauppauge, United States include KMH LLP, RSSM CPA LLP and Warady & Davis LLP.

Data Privacy

GDPR Icon

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 Icon

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.

BACK TO TOP