Best Accounting Tools for Consulting Firm Virtual Assistants

Most consulting firms bill by the hour or by the project — yet a surprising number cannot tell you, within 10%, which clients are actually profitable. The gap between revenue per client and cost per client (including the principal's time) is where consulting firms either thrive or slowly bleed margin. A virtual assistant managing your accounting tools bridges that gap by keeping time tracked, invoices sent on schedule, expenses categorized, and profitability reports current for every engagement.

This guide compares the best accounting and financial management tools for consulting firm virtual assistants, focusing on platforms that combine time tracking, invoicing, and bookkeeping in ways that match how consulting businesses actually operate.

What Makes Consulting Accounting Unique

Consulting firm finances revolve around a few core challenges that generic accounting software does not always address well:

• Time-based billing — revenue is generated by tracking billable hours against client engagements, making time tracking accuracy essential
• Project profitability — knowing which clients and projects generate profit (and which erode it) requires linking time, expenses, and revenue at the project level
• Retainer management — many firms operate on monthly retainers that require tracking hours against a fixed fee and monitoring utilization
• Expense allocation — travel, software subscriptions, and subcontractor costs must be tied to specific client engagements for accurate billing and profitability analysis
• Multiple billing rates — different team members bill at different rates, and rates may vary by client or engagement type
• Accounts receivable management — consulting firms frequently deal with net-30 or net-60 payment terms, requiring active follow-up on outstanding invoices

A consulting VA managing your accounting tools handles all of this — ensuring every billable hour is captured, invoices go out on time, and you always know which engagements are worth pursuing.

Consulting Accounting Tool Comparison

The Top Accounting Tools for Consulting VAs

1. Harvest

Harvest is the gold standard for time tracking in professional services firms. It combines intuitive time tracking with invoicing, expense tracking, and project budgeting in a single platform. For consulting firms where billable hours are the primary revenue driver, Harvest gives your VA the clearest view of utilization and billing.

What makes it great for consulting VAs:

• Effortless time tracking — timer-based or manual entry with project and task categorization that consultants actually use consistently
• Project budgets — set hour or fee budgets per project and track burn rate in real time
• Automated invoicing — convert tracked time and expenses into client invoices with one click
• Utilization reporting — see which team members are billing at target and which have capacity
• Expense tracking — attach receipts and bill expenses directly to client projects
• Integrations — connects to QuickBooks, Xero, Asana, Slack, and 70+ other tools

VA tasks in Harvest: Daily time entry review and cleanup, weekly invoicing from tracked hours, project budget monitoring, expense receipt capture and categorization, utilization reports for management, overdue invoice follow-up.

Pricing: Free for one user with two projects; Pro plan at $10.80/seat/month with unlimited projects.

Cons:

• Not a full accounting system — you still need QuickBooks or Xero for general ledger, tax prep, and financial statements
• Reporting is useful but not as deep as standalone analytics tools
• Limited customization of invoice templates compared to FreshBooks

2. FreshBooks

FreshBooks was built for service-based businesses, and consulting firms are squarely in its sweet spot. Its invoicing is the best in class among small business tools, and the addition of double-entry accounting features has made it a viable standalone platform for firms that do not need the complexity of QuickBooks or Xero.

What makes it great for consulting VAs:

• Professional invoicing — customizable templates, automatic payment reminders, online payment acceptance, and late fee automation
• Built-in time tracking — track hours directly in FreshBooks and link them to invoices
• Client portal — clients can view invoices, make payments, and approve estimates in a branded portal
• Expense management — snap receipt photos, categorize expenses, and bill them to clients
• Profit and loss reporting — basic P&L, expense reports, and tax-ready summaries
• Proposals and estimates — send project proposals that convert to invoices upon approval

VA tasks in FreshBooks: Creating and sending client invoices, setting up recurring invoices for retainer clients, tracking time entries, managing expense categorization, running accounts receivable aging reports, following up on overdue payments, preparing monthly P&L reports.

Pricing: Lite at $19/month (5 clients); Plus at $33/month (50 clients); Premium at $60/month (unlimited clients).

Cons:

• Client limits on lower tiers can be restrictive for growing firms
• Accounting features are less robust than QuickBooks or Xero for complex needs
• Not ideal if you need inventory tracking or multi-entity management
• Less familiar to CPAs who typically work in QuickBooks or Xero

3. Xero

Xero provides full double-entry accounting with a modern interface and unlimited users on every plan. For consulting firms that have outgrown basic invoicing tools and need proper financial statements, multi-currency support, and robust reporting, Xero is a strong choice — especially for firms with international clients.

What makes it great for consulting VAs:

• Unlimited users — add your VA, partners, and accountant without additional seat charges
• Bank reconciliation — smart matching of imported bank transactions to recorded entries
• Multi-currency — bill clients and track expenses in multiple currencies with automatic exchange rate conversion
• Project tracking — Xero Projects lets you track time, costs, and profitability at the engagement level
• Bills and purchase orders — manage vendor payments and subcontractor invoices
• Hubdoc integration — automatic document capture for receipts and invoices

VA tasks in Xero: Daily bank reconciliation, project time and cost entry, client invoicing and payment tracking, expense categorization, monthly financial statement preparation, accounts payable management, quarterly tax prep support.

Pricing: Starter at $15/month (limited); Standard at $42/month; Premium at $54/month.

Cons:

• Less familiar to US-based CPAs than QuickBooks
• Starter plan limits are too restrictive for most consulting firms
• Time tracking in Xero Projects is functional but less polished than Harvest
• No built-in proposal or estimate workflow

4. QuickBooks Online

QuickBooks Online remains the default choice for consulting firms that want maximum compatibility with their CPA and the widest pool of experienced VAs. Its Projects feature provides basic engagement-level tracking, and the extensive integration ecosystem lets you connect time tracking, CRM, and proposal tools.

What makes it great for consulting VAs:

• Industry standard — nearly every bookkeeping virtual assistant has QuickBooks experience
• Projects feature — track income, expenses, and profitability by client engagement
• Class tracking — segment financials by service line, partner, or office
• Bank feeds — automated transaction import for efficient daily reconciliation
• 1099 contractor tracking — manage subcontractor payments and year-end 1099 generation
• Accountant access — your CPA can log in directly to review books and prepare tax returns
• 750+ integrations — connect Harvest, Toggl, HubSpot, Stripe, and virtually any other business tool

VA tasks in QuickBooks: Transaction categorization by client and service line, bank reconciliation, client invoicing, subcontractor payment processing, monthly P&L and cash flow reporting, 1099 preparation, expense receipt management.

Pricing: Simple Start at $30/month; Essentials at $60; Plus at $90 (required for Projects and class tracking); Advanced at $200.

Cons:

• Time tracking is minimal — you will need a separate tool like Harvest or Toggl
• Interface feels dated compared to Xero and FreshBooks
• Pricing has increased substantially over the past few years
• Customer support quality is inconsistent

For a deep dive, see our QuickBooks virtual assistant guide.

5. Toggl Track + QuickBooks (or Xero)

For consulting firms that want best-in-class time analytics paired with full accounting, combining Toggl Track with QuickBooks or Xero gives your VA the deepest visibility into how time is spent and how it translates to revenue.

What makes it great for consulting VAs:

• Detailed time analytics — Toggl provides richer reporting on time allocation, billable vs. non-billable hours, and team productivity than Harvest
• Project dashboards — visual tracking of budget burn and time distribution across engagements
• Background tracking — optional automatic time tracking that captures work even when consultants forget to start a timer
• Accounting sync — integrates with QuickBooks and Xero to connect time data to financial records

Pricing: Toggl Track at $9/user/month (Starter) to $18/user/month (Premium) + QuickBooks or Xero subscription.

Cons:

• Two separate systems require more VA coordination
• Invoicing happens in the accounting tool, not Toggl — adding a step compared to Harvest

What a Consulting VA Does With These Tools Weekly

A consulting firm bookkeeping virtual assistant typically manages these recurring workflows:

• Daily time entry review — ensuring all consultants have logged their hours accurately with correct project codes
• Weekly invoicing — generating and sending invoices for completed milestones or weekly billing cycles
• Expense processing — categorizing expenses and allocating them to client engagements
• Accounts receivable follow-up — contacting clients with overdue invoices and updating payment status
• Bank reconciliation — matching bank transactions to recorded entries
• Retainer tracking — monitoring hours consumed against retainer agreements and flagging overages
• Monthly profitability reports — preparing engagement-level P&L reports for partners

Choosing the Right Tool for Your Consulting Firm

The best setup for most consulting firms is a dedicated time tracking tool (Harvest or Toggl) integrated with a full accounting platform (QuickBooks or Xero). This gives your VA both the operational data (who worked on what, for how long) and the financial data (revenue, expenses, profitability) needed to keep your firm running efficiently.

How to Get Started

Setting up your consulting accounting stack with a VA involves three key steps:

1. Define your billing model — hourly, project-based, retainer, or hybrid? This determines which time tracking and invoicing features matter most
2. Select your tools — use the comparison above to match your firm size and complexity to the right platform combination
3. Document your chart of accounts and project structure — standardize how client engagements, service lines, and expense categories are organized before your VA begins

Clear categorization rules and consistent project naming conventions are the foundation of useful financial data. Invest 30 minutes documenting these standards upfront and your VA will maintain them indefinitely.

Stealth Agents places pre-vetted virtual assistants with consulting firm accounting experience across Harvest, FreshBooks, QuickBooks, and Xero. Whether you need time tracking oversight, weekly invoicing, or full bookkeeping operations, they match you with a VA who understands professional services finance.

Book your free consultation at Stealth Agents and get your consulting firm's finances running smoothly today.