Accumulus

Name

Accumulus

Legal name

Accumulus Advisors, LLC

Website

https://accumulus.cpa

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Outsourced Accounting and Financial Advisory Services

NAICS

Offices of Certified Public Accountants (541211)

akta.pro primary industry

Outsourced Finance & CFO Services (BPAHABAE)

akta.pro secondary industries

Accounts Payable (Invoice Processing, 2/3-Way Match, Vendor Payments) (BPAAAGAA), General Ledger & Close (Journal Entries, Month-End Close, Reconciliations) (BPAAAGAC), Accounts Receivable (Invoicing, Cash Application, Deductions) (BPAAAGAB)

Keywords

• Outsourced accounting services
• Fractional CFO services
• Nonprofit accounting
• Healthcare accounting
• Cloud financial management

Headquarters

HQ city

Honolulu

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Marketing or Sales, Technology or R&D, Operations

Revenue model

1. Outsourced Accounting Services: Recurring professional services revenue model providing ongoing outsourced accounting, bookkeeping, controller, and CFO services to clients on a subscription basis. Services range from day-to-day accounting operations to full financial management support.
2. Controller and CFO Services: Strategic financial leadership services including cash management, financial reporting, budgeting, forecasting, business planning, and KPI development delivered as ongoing advisory engagements.
3. Virtual Controller Services: Provides structure, internal controls, and expert guidance to strengthen reporting and reduce risk, functioning as an outsourced controller for organizations.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Accumulus provides outsourced accounting, controllership, and fractional CFO services to mid-sized organizations, nonprofits, healthcare providers, and professional services firms in Hawaii. The firm operates as a full-service virtual accounting department, handling day-to-day transactions, financial reporting, budgeting, cash management, and forecasting using cloud platforms such as Sage Intacct and Bill.com.

Product overview

Accumulus is an outsourced accounting and financial advisory firm providing cloud-based accounting services primarily powered by two integrated platforms: Sage Intacct (core accounting platform) and Bill.com (accounts payable automation). The firm delivers a suite of professional services including Day-to-Day Accounting, Controller Services, and CFO Services, supplemented by industry-specific offerings for Nonprofit Organizations, Healthcare organizations, and Professional Services firms. The integrated Sage Intacct-Bill.com ecosystem enables real-time financial visibility, automated workflows, and multi-entity reporting across all service lines.

Differentiator

Problem solved

Functional benefit

Products and services

• Outsourced Accounting Services Full-service virtual accounting department delivering day-to-day transactions, financial reporting, budgeting, cash management, and forecasting for growing organizations that prefer not to manage an internal finance team.
• Controller Services Controllership services providing structure, internal controls, regulatory compliance, financial statement audit support, and annual budget assistance for organizations needing oversight without a full-time controller.
• CFO Services Fractional CFO-level strategic financial leadership including budgeting, forecasting, cash flow analysis, business plan development, KPI development, capital expenditure analysis, and business valuation support.
• Nonprofit Accounting Services Specialized accounting services for nonprofit organizations featuring fund accounting, grant tracking and billing, automated AP workflows, and nonprofit-specific financial reporting with real-time visibility into financial and outcome metrics.
• Healthcare Accounting Services Cloud-based accounting and bookkeeping services for healthcare organizations featuring dimensional general ledger, multi-entity reconciliations, expense allocation, fixed asset tracking, and HIPAA-compliant data handling.
• Professional Services Accounting Accounting and bookkeeping for professional services firms featuring project-based costing, billing, revenue recognition, real-time project insights, and CRM and time tracking integrations.

Quantifiable outcome

• 25% increase in donations reported by some nonprofit clients
• +2 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

AI capability3 records

Feature4 records

Partnerships

Three partnerships are on record, tiered core and flagship.

• Sage IntacctcoreTechnology or IntegrationPreferred cloud financial management software partner. Sage Intacct is chosen by The American Institute of CPAs (AICPA) and provides core accounting platform including accounts payable, accounts receivable, cash management, time & expenses, financial consolidation, fund accounting, and financial reporting. Accumulus implements and manages Sage Intacct for clients with AICPA endorsement.
• Bill.comcoreTechnology or IntegrationPreferred provider for accounts payable automation. Bill.com is a preferred provider of The American Institute of CPAs (AICPA) and syncs automatically with Sage Intacct. Provides automated AP workflows, digital invoice processing, approval workflows, and virtual card capabilities reducing check fraud risk and manual processing costs.
• American Institute of Certified Public Accountants (AICPA)flagshipStrategic or Co-development PartnerAICPA endorses both Sage Intacct and Bill.com as preferred providers. Accumulus leverages these AICPA-preferred technologies as the foundation of their service delivery, providing credibility and trust signal for clients seeking professional accounting services.

Scale indicators4 records

Recent moves5 records

Expansion highlights3 records

Direct peers

• Belay Solutions: Belay provides outsourced bookkeeping, accounting, and CFO services to nonprofits, faith-based organizations, and small businesses. Closely matches Accumulus's vertical specialization in nonprofits and fractional CFO model.
• AccountingDepartment.com: AccountingDepartment.com provides outsourced bookkeeping, controller, and fractional CFO services to SMBs and nonprofits using cloud platforms. Comparable outsourced-finance service stack with subscription billing.
• Bench Accounting: Bench provides outsourced bookkeeping and financial reporting for small businesses via a SaaS-plus-human model. Comparable in delivering a virtual accounting department with subscription pricing and software integration, serving a similar buyer profile.
• Pilot.com: Pilot is a US-based outsourced bookkeeping, accounting, and CFO services firm serving startups, SMBs, and mid-market. Directly comparable in offering outsourced finance leadership using cloud software, though Pilot is technology-led and far larger than Accumulus.
• Bookkeeper360: Bookkeeper360 offers outsourced bookkeeping, accounting, and advisory services including fractional CFO support to SMBs. Comparable mid-market outsourced finance stack with cloud-first delivery.
• CFO Consulting Partners: CFO Consulting Partners provides fractional CFO and outsourced controller services to growth-stage and mid-market companies. Directly comparable in fractional CFO delivery model targeting organizations that need executive financial leadership without a full-time hire.

Emerging players

• Botkeeper: Botkeeper combines AI-driven bookkeeping automation with human accountant review for SMBs and accounting firms. Comparable adjacent technology approach but emphasizes AI-led delivery rather than senior-led advisory.

Broad incumbents

• BDO USA: BDO USA is a top-10 accounting and advisory firm offering outsourced accounting, CFO advisory, and industry-specific services including for nonprofits and healthcare. Comparable outsourced finance services as part of a much broader portfolio.
• KPMG US (Hawaii practice): KPMG's Hawaii office (where Accumulus President Brandon Asuncion began his career) provides audit, tax, and advisory including outsourced CFO-type services to large enterprises and mid-market. Comparable professional services delivery but at much larger scale and broader scope.

Regional players

• HiAccounting: HiAccounting (a division of The Hawaii Group, where Accumulus founder Stacey Katakura previously served as President) is a Hawaii-based outsourced accounting and HR services firm. Directly comparable in geography, service stack, and target segments, and represents the founder's prior platform.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/accumulusadvisors
• LinkedInlinkedin.com/company/accumulus
• Instagraminstagram.com/accumulusadvisors

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Accumulus