Accounting Services
Manage core bookkeeping and accounting tasks with reliable support that improves accuracy, strengthens internal processes, and gives nonprofit leaders timely financial information for oversight and decision-making.
Get nonprofit-focused bookkeeping and accounting support designed for stronger reporting, cleaner month-end close, and better board visibility. One Abacus Advisory helps Boston organizations build reliable financial systems, manage cash flow, and stay audit-ready while navigating grant requirements, seasonal funding cycles, and the accountability standards common across the region's nonprofit sector.

Specialized accounting support for nonprofits needing accurate books, stronger reporting, and dependable financial oversight.
Manage core bookkeeping and accounting tasks with reliable support that improves accuracy, strengthens internal processes, and gives nonprofit leaders timely financial information for oversight and decision-making.
Oversee budgeting, forecasting, cash flow monitoring, and financial statement preparation to keep nonprofit finances organized, compliant, and aligned with operational priorities.
Review accounting workflows, controls, and reporting systems to identify gaps, reduce risk, and create a practical roadmap for stronger nonprofit financial operations.
Improve accounting platforms through better configuration, workflow automation, reporting enhancements, and training so finance teams can work more efficiently and confidently.
Build budgeting frameworks and cash forecasting tools that help nonprofits monitor performance, plan responsibly, and make informed resource decisions throughout the fiscal year.
Provide senior-level financial oversight and reporting support that helps boards and leadership teams maintain transparency, compliance, and mission-aligned planning.
One Abacus Advisory delivers bookkeeping and accounting services built around the realities nonprofits face every day. From cleaner closes and stronger internal controls to board-ready reporting and cash visibility, the focus is on dependable financial operations that support your mission. For Boston organizations balancing grants, donor restrictions, and audit expectations, that means practical systems, accurate reporting, and guidance leadership can trust.

Supporting nonprofits with stronger reporting, smoother transitions, and more reliable financial operations.
Nonprofits rely on us for practical financial leadership tailored to mission-driven operations.
Specialized support built around nonprofit reporting, compliance, grants, and board accountability needs.
Right-sized bookkeeping and accounting help for Boston nonprofits without the cost of full-time leadership.
Clear, actionable reporting helps leaders and boards make confident financial decisions year-round.
Improved controls and workflows support audit readiness and smoother operations across Boston-area nonprofit finance teams.
Experienced nonprofit finance guidance, tailored to your mission.

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 bookkeeping and accounting services typically include transaction recording, account reconciliations, month-end close, financial statement preparation, budget tracking, cash flow monitoring, and reporting support. For nonprofits, the work also often includes fund tracking, restricted revenue handling, grant reporting support, and stronger internal controls so leadership and boards receive accurate, timely financial information.
Talk with our team about the right level of support.
Deep finance and accounting leadership background.
Focused expertise for mission-driven organizations.
Strategic support without full-time overhead.
Share your current accounting challenges, reporting needs, or transition goals, and we'll help you identify the right support.
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.