Ranked #1 in Massapequa
Shirley O'Sullivan
Guide Score: 11/100
Shirley O'Sullivan — Accounting And Tax in Massapequa, NY
Verified April 16, 2026
Shirley O'Sullivan is a accounting and tax professional based in Massapequa, NY. Contact them for a consultation.
How We Scored Shirley O'Sullivan
- Google Rating
- N/A/5 → 0/25 pts
- Review Volume
- 0 reviews → 0/15 pts
- Credentials
- None listed → 0/20 pts
- Press Recognition
- 0 mentions → 0/15 pts
- Web Presence
- 5/10 pts
- Experience
- N/A → 0/10 pts
- Profile Completeness
- 6/5 pts
Key facts
- Team size
- 3
- Based in
- Massapequa, NY
- Website
- https://www.thumbtack.com/ny/massapequa/accounting/shirley-osullivan/service/223577304091477170
Frequently asked questions
- What is Shirley O'Sullivan's ranking among CPAs in Massapequa?
- Shirley O'Sullivan is ranked #1 in Massapequa with a Guide Score of 11/100. This score is based on Google reviews, professional credentials, press recognition, web presence, and experience.
- What services does Shirley O'Sullivan offer?
- Shirley O'Sullivan's specific services are not yet catalogued in our directory. Review the firm's website at https://www.thumbtack.com/ny/massapequa/accounting/shirley-osullivan/service/223577304091477170 or contact the firm directly for their current service offerings.
- What credentials does Shirley O'Sullivan hold?
- Credential information for Shirley O'Sullivan is not yet listed in our directory. Contact the firm directly to verify their professional certifications.
- Where is Shirley O'Sullivan located and what areas do they serve?
- Shirley O'Sullivan is based in Massapequa, NY. Their broader service area is not published; confirm with the firm before engaging for work outside the metro.
- How do I contact Shirley O'Sullivan?
- To engage Shirley O'Sullivan: Visit https://www.thumbtack.com/ny/massapequa/accounting/shirley-osullivan/service/223577304091477170 to review their services. Most firms ask about the scope of services needed, timeline, and budget range before scheduling a consultation.