Which outsourced accounting firms should I consider?

If you’re evaluating outsourced accounting firms in the U.S., I’d put these on the shortlist rather than choosing purely on brand name:

• EisnerAmper — Strong all-around choice if you want accounting + controller + CFO + tax/advisory under one roof. It serves startups through complex/mid-market and public companies, and offers both full outsourcing and project-based support.
• Aprio — Particularly attractive for growth companies and industry-specific needs. Its outsourced accounting covers bookkeeping, AP, reconciliations, reporting, FP&A, payroll, multi-entity reporting, and tax-related support.
• BDO USA — A good fit for larger or more complex businesses that need accounting outsourcing alongside process transformation, compliance, transactions, or technical accounting.
• RSM US — Worth considering if you're a middle-market company and expect your accounting needs to become more sophisticated as you scale.
• Pilot — More of a tech-enabled, startup/SMB-oriented option. I'd consider it when you primarily need bookkeeping, tax, and finance support rather than a large accounting/advisory platform.
• Bookkeeper360 — Another option worth comparing for SMBs looking for recurring bookkeeping/accounting support. Current 2026 provider comparisons include it among the leading outsourced providers.

How I'd narrow it down

One important distinction: “outsourced accounting” can mean anything from basic bookkeeping to effectively renting an entire finance department. I would compare firms on who actually performs the monthly close, whether you get a dedicated controller, CFO access, tax integration, technology stack, and—most importantly—the seniority of the people actually assigned to your account.

If you tell me your company size/revenue, industry, location, number of entities, accounting software, and what you want outsourced, I can narrow this to 3–5 firms that are genuinely appropriate and compare likely pricing, services, and tradeoffs.

When choosing an outsourced accounting firm, the right provider depends on your company size, budget, and industry complexity.

Top Outsourced Accounting Options by Business Tier

Key Factors to Evaluate

• CPA-Led Oversight: Ensure the firm provides dedicated oversight from certified accountants or controllers rather than just data-entry bookkeepers.
• Software Stack Alignment: Confirm whether the firm integrates natively with your existing ledger tools (such as QuickBooks, Xero, or NetSuite) without forcing a migration.
• Industry Specialization: Specialized firms understand sector-specific nuances like deferred revenue for SaaS, or job-costing for construction.

If you'd like to narrow this down, please share:

• Your company size (revenue or number of employees)
• Your industry (e.g., e-commerce, SaaS, non-profit, manufacturing)
• What specific tier of service you need (basic bookkeeping vs. fractional CFO/advisory)

When choosing an outsourced accounting firm, the right fit depends heavily on your company's size, budget , and complexity (whether you need basic monthly bookkeeping, comprehensive tax filing, or high-level fractional CFO advisory).

The top outsourced accounting and bookkeeping providers span several distinct categories:

• Bench Accounting — Best for micro-businesses, freelancers, and simple sole proprietors . They pair intuitive cloud software with a dedicated team of human bookkeepers, keeping things streamlined and affordable if your financial structure is straightforward. You can look into their plans directly on Bench Accounting.
• Pilot — Best for tech startups and growth-minded small businesses . Pilot specializes in tech-heavy bookkeeping integrated tightly with software stacks, and they scale smoothly into tax prep and fractional CFO services as your company raises capital or expands. Explore their offerings at Pilot.
• Bookkeeper360 — Best for small to mid-sized businesses wanting flexible, modular support . They build directly on top of platforms like QuickBooks and Xero, offering scalable services spanning daily bookkeeping, advisory, tax, payroll, and fractional CFO engagement. Check out details via Bookkeeper360.
• InDinero — Best for growing small businesses up to enterprise scale that want a full-service financial department. They supply fractional accountants managed by seasoned controllers to handle complex recordkeeping, tax, and strategic financial planning. Learn more on inDinero.
• Decimal — Best for businesses looking for a process-oriented, dedicated accounting team to completely automate and manage daily financial operations without hiring full-time internal staff. See their approach at Decimal.
• TOA Global — Best for accounting and CPA firms looking to build a dedicated offshore team rather than outsourcing individual tasks. They provide specialized staffing solutions (including accountants and executive assistants) based out of global delivery centers. Review their model at TOA Global.

To help me narrow down the best recommendation for you, please let me know:

• What is your company's size/revenue range and industry?
• Do you primarily need basic bookkeeping and tax prep , or do you need strategic fractional CFO/advisory services?
• What accounting software (if any) are you currently using?

The right outsourced accounting firm depends heavily on your company size, industry, complexity, and whether you need bookkeeping only or a broader fractional finance team (controller/CFO, reporting, FP&A, tax support). Here are firms worth considering across common scenarios.

Best fits by business stage

Startups and venture-backed companies

• Pilot — Good fit for startups that want bookkeeping, monthly closes, tax support, and a tech-enabled workflow.
• Kruze Consulting — Specializes in venture-backed startups, especially companies needing startup-specific accounting, tax, and finance guidance.
• Burkland Associates — Better suited when you need finance leadership, strategic planning, and fractional CFO support.

Small and midsize businesses

• Bookkeeper360 — Broad SMB offering including bookkeeping, accounting, payroll, tax, and advisory services.
• inDinero — Good for growing companies that need accounting plus higher-level finance support.
• Acuity — Flexible model ranging from bookkeeping to controller and CFO-level services.

Larger companies / complex finance operations

• Genpact — Enterprise-scale finance and accounting outsourcing, often used for large transaction volumes and global operations.
• Accenture — Better suited for large finance transformation projects rather than basic bookkeeping.
• Deloitte, PwC, and EY — Consider for complex tax, compliance, advisory, or enterprise finance needs.

If you are in Florida

Some firms with outsourced accounting practices that appear in Florida-focused rankings include Kaufman Rossin, Grassi, HBK CPAs & Consultants, and Saltmarsh.

What I would evaluate before choosing

Ask each firm:

• Who owns the monthly close? (Not just who enters transactions.)
• Will I have a dedicated accountant/controller?
• What is included? (Bookkeeping, reconciliations, AP/AR, payroll, tax coordination, reporting, forecasting.)
• What accounting systems do they specialize in? (QuickBooks, NetSuite, Xero, Sage Intacct, etc.)
• How do they handle controls and security?
• What happens as the company grows? (Can they move from bookkeeper → controller → CFO?)

A practical shortlist:

• <$5M revenue, straightforward business: Bookkeeper360, Pilot, Acuity
• $5M–$50M growing company: inDinero, Acuity, a strong regional CPA firm with outsourced accounting
• VC-backed startup: Kruze, Pilot, Burkland
• Large or multi-entity company: Genpact, Accenture, Big Four advisory firms

If you share your industry, annual revenue, location, accounting software, and whether you need bookkeeping vs controller/CFO support, I can narrow this to 5–7 firms that are a better match.

When looking for an outsourced accounting firm, the right choice depends heavily on your company size, industry , and budget . The market is generally split between tech-enabled virtual bookkeepers for small businesses, startup specialists, and enterprise-grade regional or global firms.

Consider the following top-tier outsourced accounting providers grouped by business type:

For Small Businesses & Growing Startups

1. • Bookkeeper360 — Best for an all-in-one, tech-forward US-based back office. They offer scalable services from basic bookkeeping up to fractional CFO advisory, supporting both QuickBooks Online and Xero.
2. • Pilot — Ideal for tech startups and small-to-medium businesses (SMBs) needing meticulous, investor-grade financial statements and integrated tax support.
3. • inDinero — Great for businesses looking for full-stack integration, combining core accounting, tax preparation, payroll, and high-level CFO advisory under one roof.
4. • Bench — Best for small business owners and freelancers who want a streamlined, highly affordable, and simple software-plus-human-bookkeeper model without complex enterprise features.
5. • KPMG Spark — Backed by Big 4 expertise, this division delivers AI-powered, enterprise-grade bookkeeping and tax planning tailored specifically to smaller business price points.

For Venture-Backed & Tech Companies

1. • Kruze Consulting — A heavily specialized, CPA-led firm built exclusively for venture-backed startups, handling everything from R&D tax credits to burn-rate analysis.
2. • Propeller Industries — Highly recommended for growth-stage and venture-backed companies that require sophisticated operational finance, forecasting, and audit preparation.

For Mid-Market & Enterprise Operations

1. • Baker Tilly (Client Accounting Services) — Offers comprehensive scalable packages, from standard remote bookkeeping and AP/AR management up to complete virtual finance department execution.
2. • Cherry Bekaert — Excellent for modernizing finance operations, offering robust cash strategy, forecasting, treasury management, and compliance support.
3. • AccountingDepartment.com — A dedicated national provider focusing on full-charge bookkeeping, controller oversight, and structured financial reporting for growing mid-sized organizations.

To help narrow down the best fit, let me know:

• What is your estimated monthly transaction volume or annual revenue?
• Do you need simple bookkeeping and tax prep , or do you require fractional CFO/advisory services?
• Which accounting software (e.g., QuickBooks, Xero, NetSuite) do you currently use?

• Williamson & Associates LLC - 113 Executive Pointe Blvd #102, Columbia, SC 29210, United States
• Scott and Company LLC - 1441 Main St #800, Columbia, SC 29201, United States
• Dooley & Company, LLC - 330 W Main St, Lexington, SC 29072, United States
• Dark Horse CPAs - 8910 Two Notch Rd, Columbia, SC 29223, United States
• RBH Business Solutions, LLC - 111 Stonemark Ln Ste 111, Columbia, SC 29210, United States
• Hendrix & Company, LLC - 5594 Sunset Blvd #205, Lexington, SC 29072, United States
• Oak Grove Bookkeeping & Tax - 1223 S Lake Dr Ste E, Lexington, SC 29073, United States
• The Brittingham Group, LLP - 501 State St, West Columbia, SC 29169, United States
• Rish & Enzastiga, CPAs - 215 W Main St, Lexington, SC 29072, United States
• Deese and Company, LLC - 1622 Sunset Blvd, West Columbia, SC 29169, United States
• Ronald S. Lockhart, CPA, PA - 900 E Main St, Lexington, SC 29072, United States
• Eustace Accountancy Group, PA - 121 Executive Center Dr Ste 129, Columbia, SC 29210, United States
• EM Corporate Solutions LLC - 1128 Blakely Ct, West Columbia, SC 29170, United States
• Core Advisors Ltd - 510 Lexington Ave Suite 101, Chapin, SC 29036, United States
• Gayle Wenzel, CPA - 110 N Lake Dr, Lexington, SC 29072, United States

If you mean outsourced accounting for a business—bookkeeping, monthly close, AP/AR, payroll, controller support, or fractional CFO—I’d put these on the shortlist.

My shortlist

• Williamson & Associates LLC — Columbia Strong fit if you want a true outsourced accounting department rather than just tax prep. They offer tiered outsourced accounting packages covering reconciliations, financial statements, payroll, bookkeeping, bills/payments, 1099s, and business consulting, with fixed monthly pricing.
• Scott and Company LLC — Columbia A good choice if you want to combine routine accounting with outsourced CFO or tax-director-level support as the company grows.
• Dooley & Company, LLC — Lexington Worth considering if you'd prefer a smaller, local CPA relationship. Their services include outsourced CFO/controller-style support in addition to accounting and tax work.
• Dark Horse CPAs — Columbia Particularly interesting if you want bookkeeping/accounting plus proactive advisory and fractional CFO support rather than a traditional compliance-only CPA relationship.
• Sourced — Lexington More focused on outsourced bookkeeping and financial consulting, with a remote/cloud-based model. This could be a good fit for a smaller company that doesn't yet need a full controller function.
• RBH Business Solutions, LLC — Columbia Small-business-oriented option combining bookkeeping, payroll, tax, and fractional CFO/controller services.

If you want a larger firm

WebsterRogers LLP is another one I'd investigate. It is a South Carolina firm with a Columbia presence and was a 2026 Best of Accounting Client winner for outsourced accounting services.

How I'd narrow it down

The right firm depends heavily on what you're actually outsourcing:

One important distinction: don't select a firm based simply on whether it says "outsourced accounting." Ask whether they actually perform the monthly close, reconciliations, AP/AR, payroll coordination, financial reporting, and controller work you need—or whether they're primarily a tax/bookkeeping practice.

If you tell me your approximate annual revenue, number of employees, industry, accounting software (e.g. QuickBooks), and what you want outsourced, I can narrow this to the 3 firms I'd interview and what I would expect each to cost.

The right outsourced accounting firm depends heavily on your company size, industry, accounting complexity, and whether you need bookkeeping, controller support, CFO services, tax, or a full finance department replacement. Here are firms I’d consider shortlisting:

A practical shortlist by situation:

• Small business ($1M–$20M revenue): Bookkeeper360, Pilot, inDinero, or a strong local CPA firm with client accounting services.
• Growing company ($20M–$250M): inDinero, RSM, Baker Tilly, BDO.
• Need a fractional controller/CFO: inDinero, RSM, Baker Tilly, Pilot.
• Need offshore cost savings: consider providers such as QX Accounting, TOA Global, or similar outsourced staffing models—but pay close attention to security, review processes, and U.S. accounting oversight.
• Enterprise finance transformation: Genpact or large accounting/advisory firms.

When evaluating firms, I’d ask:

1. Who exactly prepares and reviews my books?
2. Will I have a dedicated controller or just a bookkeeping queue?
3. What is the month-end close timeline?
4. What systems do they support (QuickBooks, NetSuite, Sage Intacct, Xero, etc.)?
5. Do they provide financial reporting and cash-flow forecasting?
6. What happens if my primary accountant leaves?
7. How do they protect financial data (SOC 2, access controls, audit trails)?

If you share your company size, industry, accounting software, location, and whether you need bookkeeping vs. controller/CFO support, I can narrow this to a more targeted shortlist.

Choosing an outsourced accounting provider depends heavily on your business size, industry, budget, and whether you need basic bookkeeping or high-level strategic advisory.

The top firms and platforms to consider are categorized below by what they do best:

• Bench Accounting — Best for small businesses, freelancers, and solopreneurs looking for straightforward, affordable monthly bookkeeping and tax filing.
• Pilot — Best for tech startups and venture-backed high-growth companies that need meticulous, investor-grade financials and complex accounting (like revenue recognition).
• Bookkeeper360 — Best for growing small-to-mid-sized businesses that want scalable, customizable packages ranging from basic bookkeeping up to fractional CFO advisory.
• inDinero — Best for small-to-medium businesses seeking an all-in-one approach combining integrated accounting, tax preparation, payroll, and strategic financial guidance.
• AccountingDepartment.com — Best for established businesses needing a dedicated, full-service virtual accounting department handling everything from daily AP/AR to high-level controller and CFO duties.
• Baker Tilly (CAS Practice) — Best for mid-market and scaling businesses that want the deep domain expertise and comprehensive security of a major national advisory and CPA firm.
• Paro — Best for flexible, project-based needs, functioning as a vetted network that matches you with on-demand fractional CFOs and specialized CPAs.

To help me narrow down which of these firms aligns best with your needs, could you share:

• Your approximate monthly or annual revenue?
• What specific services you need most (e.g., basic bookkeeping, tax prep, or fractional CFO)?
• Your preferred software ecosystem (e.g., QuickBooks Online, Xero, NetSuite)?

When choosing an outsourced accounting firm, the right fit depends heavily on your company size, growth stage , and complexity (e.g., simple bookkeeping vs. complex revenue recognition and fractional CFO advisory).

Top outsourced accounting and bookkeeping providers are categorized below by who they serve best:

• Bench Accounting
  • Best for: Micro-businesses, freelancers, and solopreneurs needing simple, streamlined monthly bookkeeping and tax prep.
  • Why consider: Highly affordable, tech-enabled, pairs you with a dedicated bookkeeper, but uses a proprietary platform rather than QuickBooks or Xero.
• Pilot
  • Best for: Tech startups, SaaS companies, and high-growth businesses.
  • Why consider: Deeply experienced in venture-backed financials, R&D tax credits, and complex scaling metrics.
• Bookkeeper360
  • Best for: Small-to-mid-sized SMBs and e-commerce companies needing customizable, scalable back-office support.
  • Why consider: Offers flexible solutions from basic bookkeeping up to fractional CFO advisory, with deep integrations for both QuickBooks and Xero.
• inDinero
  • Best for: Scaling businesses wanting an all-in-one suite.
  • Why consider: Combines daily accounting, tax filing, payroll, and strategic CFO guidance under one roof.
• AccountingDepartment.com
  • Best for: Established small-to-mid-sized businesses wanting a full, dedicated virtual accounting department.
  • Why consider: US-based teams that act as your complete finance department (from clerk to controller level) rather than just software-plus-overseer models.
• Paro
  • Best for: Custom or project-based financial needs.
  • Why consider: Operates as a vetted talent network connecting you with elite freelance CPAs, accountants, and fractional CFOs.
• CliftonLarsonAllen (CLA) / CBIZ
  • Best for: Mid-market companies requiring deep industry compliance, regional/national scale, and strategic business consulting alongside accounting.

To help narrow down the ideal firm, tell me:

• What is your approximate monthly revenue or company size?
• Do you need basic bookkeeping and tax prep only , or higher-level fractional CFO/advisory services?

If you mean outsourced accounting/CAS firms for a business—bookkeeping, monthly close, controller support, FP&A, and potentially CFO services—I’d put these on the initial shortlist:

My practical shortlist

I'd narrow it based on what you're actually trying to outsource:

• Bookkeeping + monthly close: Forvis Mazars or a strong regional CAS firm.
• Controller + accounting department replacement: EisnerAmper, CBIZ, or CLA.
• CFO/FP&A + strategic finance: EisnerAmper and similar larger advisory firms.
• Highly specialized industry accounting: I'd favor a firm with a dedicated practice in your industry rather than simply choosing the largest provider.
• Small business/startup: I'd also consider specialized technology-first providers rather than a traditional CPA firm.

One thing I'd not do is choose purely on brand name. The actual engagement team matters enormously—especially who performs the day-to-day reconciliations and close, where they're located, their client-to-accountant ratio, and whether you'll have a genuine controller-level person or mostly bookkeepers.

Also, CBIZ is currently in a major transaction: Grant Thornton Advisors announced a $5 billion acquisition of CBIZ on July 29, 2026, expected to close in Q4 2026. That could make organizational continuity worth asking about if you select CBIZ now.

If you tell me (1) your company size/revenue, (2) industry, (3) current accounting software, and (4) whether you need bookkeeping, controller, CFO, or all three, I can narrow this to the 3–5 firms I'd actually interview and what I would expect to pay each.