Accounting Services
Reliable day-to-day accounting support for nonprofits, including core financial functions, cleaner processes, and timely reporting that helps leadership and boards make informed decisions.
Get nonprofit-focused accounting and bookkeeping support designed to improve reporting accuracy, strengthen internal controls, and give leadership clearer financial visibility. For organizations in Bethesda, we provide practical guidance that supports board oversight, grant compliance, and steady cash management without the overhead of a full-time senior finance hire.

From daily bookkeeping to financial oversight, we support nonprofits with accurate records, stronger systems, and clearer reporting.
Reliable day-to-day accounting support for nonprofits, including core financial functions, cleaner processes, and timely reporting that helps leadership and boards make informed decisions.
Oversight of budgeting, forecasting, cash flow monitoring, and financial statement preparation to keep nonprofit accounting accurate, compliant, and operationally useful.
A detailed review of accounting people, processes, and systems to identify risks, gaps, and inefficiencies, followed by practical recommendations for improvement.
Enhancement of existing accounting platforms through better configuration, workflow automation, reporting improvements, and training for stronger finance operations.
Customized budgeting frameworks and cash forecasting tools that help nonprofits manage fiscal cycles, monitor performance, and plan resources with confidence.
Hands-on controller and senior finance leadership that bridges daily bookkeeping and executive strategy, improving reporting integrity and internal controls.
Our nonprofit accounting and bookkeeping services help Bethesda organizations maintain accurate records, improve reporting consistency, and strengthen financial infrastructure. Whether you need cleaner month-end processes, better board reporting, or support navigating grant-related requirements common in the DC-area nonprofit landscape, we provide right-sized guidance that keeps your finance function dependable, compliant, and aligned with your mission.

See how nonprofits strengthen reporting, systems, and financial leadership with tailored support.
We bring nonprofit-specific financial leadership that balances accuracy, strategy, and practical execution.
Specialized support built around nonprofit reporting, compliance, and mission-driven financial decision-making.
Backed by over 25 years of finance and accounting experience for dependable guidance.
Bethesda nonprofits get flexible accounting leadership without the cost of a full-time executive hire.
Clear financial insights help local leadership teams and boards make timely, confident decisions.
Experienced nonprofit finance leadership you can rely on.

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.
Nonprofit accounting and bookkeeping services typically include transaction recording, account reconciliations, month-end close support, financial statement preparation, budget tracking, cash flow monitoring, and reporting for leadership or boards. For nonprofits, the work also often includes fund tracking, grant-related reporting support, internal control improvements, and processes that help maintain compliance and transparency across programs and administrative functions.
Talk with our team about your nonprofit’s accounting needs.
Deep finance and accounting leadership experience.
Focused expertise for mission-driven organizations.
Flexible senior-level financial support.
Share your organization’s needs and we’ll discuss the right accounting or bookkeeping support for your team.
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.
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.