Nonprofit Accounting Services in New York City

Get nonprofit-focused accounting support built for New York City organizations that need accurate reporting, stronger controls, and clearer financial visibility. From board-ready statements to budgeting and system optimization, One Abacus Advisory helps mission-driven teams stay compliant, make confident decisions, and manage the pace and complexity common across NYC funding, grant, and oversight environments.

Nonprofit accounting team reviewing financial reports

Our Nonprofit Accounting Services Services

Specialized accounting, reporting, and finance support designed for nonprofit organizations with evolving operational and compliance needs.

Accounting Services

Reliable day-to-day nonprofit accounting support that improves accuracy, strengthens processes, and gives leadership timely, compliant financial information for oversight and decision-making.

Financial Reporting

Strategic oversight for budgeting, forecasting, cash flow management, and board-ready reporting so nonprofit leaders can make informed, mission-aligned financial decisions.

System Assessment

Comprehensive review of accounting people, processes, and systems to identify risks, gaps, and inefficiencies, followed by actionable recommendations to improve controls.

System Optimization

Enhancement of ERP and accounting platforms through configuration, workflow improvements, reporting upgrades, and training to increase efficiency and reporting confidence.

Budget Forecasting

Practical budgeting frameworks and cash forecasting tools that help nonprofits monitor performance, plan responsibly, and maintain financial stability throughout the fiscal year.

Fractional CFO

Executive-level financial leadership without a full-time hire, supporting compliance, audit readiness, strategic planning, and sustainable resource allocation for nonprofits.

Nonprofit Finance Expertise

Financial Clarity for Mission-Driven Growth

One Abacus Advisory delivers nonprofit accounting services that help organizations improve reporting accuracy, strengthen internal controls, and support better leadership decisions. For New York City nonprofits balancing grant requirements, board expectations, and fast-moving operating demands, the firm provides practical financial guidance, scalable systems support, and experienced oversight that keeps accounting functions organized, compliant, and aligned with mission goals.

Accountant preparing nonprofit financial reports
Trusted By Nonprofits

Success Stories

See how nonprofit organizations benefit from stronger reporting, systems, and financial leadership support.

"We appreciate many things about One Abacus, but the thing that stands out most is their team’s investment in our success. They have gone above and beyond to deeply understand our organization and our financial structure. One Abacus’ outside viewpoint and collaboration have allowed us to create and implement a..."

Ingrid M. Nyholm-Lange
The One Abacus Difference

Why Choose One Abacus Advisory?

Nonprofits rely on experienced guidance that supports both compliance and long-term stability.

Nonprofit Focus

Specialized experience supporting nonprofit accounting, reporting, compliance, and board-level financial decision-making.

Flexible Support

Right-sized accounting leadership for New York City nonprofits without the cost of full-time executive hires.

Clear Reporting

Board-ready financial insights that help leadership act confidently in complex NYC funding environments.

Systems Strength

Improves processes, controls, and accounting platforms to reduce risk and increase operational efficiency.

Meet The NYC Team

Experienced nonprofit finance leadership you can trust.

Portrait of Lorin Port, Founder and Consulting CFO of One Abacus Advisory

Lorin Port

Founder, Consulting CFO

Lorin Port is the Founder and Consulting CFO of One Abacus Advisory, bringing over 25 years of finance and accounting experience to the nonprofit sector. With a dedicated focus on nonprofit financial leadership for the past nine years, Lorin specializes in fractional CFO and COO services, nonprofit accounting, and NetSuite optimization. He has partnered with prominent organizations such as the San Diego Food Bank, Philadelphia Zoo, and Laguna Playhouse, delivering strategic financial guidance during periods of growth, transition, and complexity. Lorin is committed to empowering nonprofit leaders and boards with clear, actionable insights that drive stronger decisions and long-term organizational health. His flexible, right-sized approach ensures each client receives tailored support that aligns with their unique mission and operational needs.

Frequently Asked Questions

What is the best accounting software for a small non profit organization?

The best accounting software for a small nonprofit depends on reporting needs, grant complexity, and internal capacity. QuickBooks Online can work well for simpler operations, while Sage Intacct or NetSuite may be better for organizations needing stronger fund tracking, multi-entity reporting, or board-level dashboards. A proper assessment should review chart of accounts structure, grant restrictions, approval workflows, and reporting requirements before choosing a platform.

How much does an accountant cost for a small non-profit?

What do nonprofit accounting services include?

How is nonprofit accounting different from for-profit accounting?

Can you help prepare our nonprofit for an audit?

Do nonprofit accounting services help with grant compliance?

Can a fractional CFO support our accounting team?

How quickly can nonprofit accounting support begin?

Still Have Questions About Nonprofit Accounting?

Talk with an experienced advisor about your organization’s financial needs.

Trusted Financial Guidance

Awards and Recognition

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25+ Years Experience

Deep finance and accounting leadership background.

Nonprofit finance expertise trust badge

Nonprofit Finance Expertise

Focused support for mission-driven organizations.

Fractional leadership trust badge

Fractional Leadership

Senior-level support without full-time overhead.

Talk With a Nonprofit Finance Expert

Share your organization’s accounting challenges, goals, and timeline, and we’ll outline the right next steps for support.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 760-845-3808. You can also send us a quick email at lorin@oneabacusadvisory.com.