Outsourced Accounting & Controller Services
Keep your accounting current and your reporting useful, with experienced oversight and responsibilities defined around your existing team.
Accounting · Tax · Advisory
Put experienced judgment to work for you.
We work alongside you, bringing accounting, tax, and financial expertise together to help you make confident decisions.
Serving clients across Long Island and the New York metropolitan area.
John W. Halloran,Jr., CFAManaging Director
John W. Halloran,CPAManaging Partner
How we can help
Engage us for a defined need or an ongoing relationship, with services coordinated around your priorities.
Accounting
Tax
Business Tax
Tax planning and preparation informed by your business results, ownership structure, and plans.
Private Client Services
Personal and family tax planning, preparation, and related accounting support, coordinated with your other advisers.
Advisory
CFO Advisory
Business financial planning and analysis to understand performance, anticipate cash needs, and evaluate important decisions.
Audit Readiness
Prepare financial records and supporting information for an external financial-statement audit performed by another CPA firm.
Transaction Advisory
Prepare your business’s financial information for a potential sale and buyer due diligence.
Internal Controls & Internal Audit
Evaluate selected processes and controls, recommend improvements, and provide support for defined internal-audit needs.
The people behind the work
Founded in 2005, John W. Halloran CPA, P.C. brings together experience in professional accounting, tax, and financial management.
We discuss the questions behind the work, explain our conclusions, and work through next steps with you. Our role is defined around your needs and the people already involved in your business.
Meet Our LeadershipJohn W. Halloran, CPA
Managing Partner
Leads the firm’s accounting and tax practice.
John W. Halloran, Jr., CFA
Managing Director
Leads CFO Advisory, helping business owners assess performance, plan ahead, and make informed decisions.
Industry experience
Understanding how your business operates gives context to its accounting, tax, and financial questions. Our work spans:
Start a conversation
You do not need to choose a service before getting in touch. Tell us where you need support, what you are considering, and your timing.
Discuss your priorities
We talk through your needs, existing support, and the questions you want to address.
Define the engagement
A written proposal sets out the work, responsibilities, deliverables, timing, and fees.
Get started
Once the engagement is agreed, we coordinate the information, contacts, and first steps needed to begin.
Call us: (631) 677-1344
How can we help?
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