Accounting Services
Reliable day-to-day nonprofit accounting support that improves accuracy, strengthens processes, and delivers timely financial information leaders and boards can use with confidence.
Get experienced nonprofit accounting support tailored to your mission, reporting needs, and leadership goals. One Abacus Advisory helps Indianapolis organizations strengthen financial operations, improve board-ready reporting, and build reliable systems that support compliance, grant stewardship, and long-term stability in a practical, cost-conscious way.

Flexible accounting and finance support designed for nonprofit reporting, compliance, and stronger day-to-day financial operations.
Reliable day-to-day nonprofit accounting support that improves accuracy, strengthens processes, and delivers timely financial information leaders and boards can use with confidence.
Oversight for budgeting, forecasting, cash flow monitoring, and financial statement preparation to keep nonprofit finance functions organized, compliant, and decision-ready.
Hands-on controller and senior finance leadership that bridges accounting execution with stronger reporting, internal controls, and operational consistency.
A structured review of accounting people, processes, and systems to identify risks, inefficiencies, and practical opportunities for improvement.
Enhancements for nonprofit accounting platforms through better configuration, workflow improvements, reporting upgrades, and user support.
Budgeting frameworks and cash forecasting tools that help nonprofit leaders plan responsibly and maintain visibility throughout the fiscal year.
One Abacus Advisory provides outsourced nonprofit accounting services that bring structure, visibility, and dependable reporting to your organization. From monthly financials and cash monitoring to system improvements and controller-level oversight, the work is tailored to nonprofit realities. For Indianapolis organizations managing grants, board expectations, and year-round program demands, this support helps reduce risk while improving financial confidence.

See how mission-driven organizations benefit from clearer reporting, stronger systems, and experienced financial leadership.
Nonprofits rely on us for practical financial leadership that supports stronger decisions and steadier operations.
Dedicated nonprofit accounting expertise aligned with board reporting, grants, compliance, and mission-driven operations.
Right-sized engagement models help Indianapolis nonprofits access senior finance guidance without full-time overhead.
Actionable financial insights help leaders and boards make timely, informed decisions with greater confidence.
We improve accounting workflows and controls to support reliable operations across growing Indianapolis nonprofit organizations.
Experienced nonprofit finance leadership, 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.
Outsourced nonprofit accounting services typically include transaction oversight, monthly close support, financial statement preparation, budgeting, cash flow monitoring, board-ready reporting, and internal control improvements. Depending on your needs, services can also include controller-level review, accounting system assessments, audit preparation support, and guidance around grant tracking and compliance so leadership has accurate, timely financial information.
Talk with our team about your reporting, systems, or compliance needs.
Seasoned finance and accounting leadership
Specialized support for mission-driven organizations
Flexible CFO and controller support
Share your current accounting challenges, reporting needs, or transition goals, and we’ll outline practical next steps for 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.