James Aspinwall | February 20, 2026
Running a small company while building MCP tooling full-time means the accounting and business operations need to be invisible. Not ignored — invisible. They need to work without demanding attention that should go toward code, clients, and product.
FreshBooks is built for exactly this profile: a one-person or small-team service business where the founder is the practitioner, not an administrator.
The Problem It Solves
A solo developer running an AI consulting firm has a specific set of accounting needs:
- Invoicing clients for consulting engagements (hourly, project-based, or retainer)
- Tracking time spent on billable work versus internal product development
- Separating revenue streams — consulting income from potential MCP product revenue
- Managing expenses — cloud infrastructure, API costs, software subscriptions, hardware
- Staying tax-compliant — quarterly estimates, categorized expenses, year-end reporting
- Looking professional — clients at medium-sized companies expect polished invoices and clear payment terms
You can do all of this with spreadsheets. You can also cut your lawn with scissors. The question is whether the tool matches the job.
Why FreshBooks Over the Alternatives
vs. QuickBooks
QuickBooks is more powerful and more complex. It’s designed for companies with inventory, payroll for multiple employees, and an accountant who logs in regularly. For a solo consulting operation, most of QuickBooks’ features are overhead. FreshBooks is opinionated about simplicity — it assumes you’re a service provider who invoices for time and expertise, which is exactly right for consulting.
vs. Wave
Wave is free, which is appealing until you need reliable support, solid time tracking, or integrations that don’t break. FreshBooks costs money because it works consistently and saves time. For a business that bills at consulting rates, the ROI on a $17-50/month accounting tool is measured in minutes, not dollars.
vs. Spreadsheets
Spreadsheets don’t send payment reminders, don’t accept online payments, don’t auto-categorize bank transactions, and don’t generate the reports your accountant needs at tax time. They also don’t scale — what works for three invoices a month falls apart at fifteen.
The Features That Actually Matter
Time Tracking for Mixed Work
This is the critical one for someone splitting time between consulting and product development. FreshBooks lets you track time against specific clients and projects, then convert tracked hours directly into invoices.
For MCP development work, you create an internal project — non-billable — and log time against it. This gives you data on how you’re actually spending your time, which matters for two reasons: tax deductions (R&D time on product development) and honest self-assessment of where your hours go. Most solo founders dramatically overestimate how much time they spend on product versus admin and client work.
Invoicing That Doesn’t Embarrass You
When you walk into a medium-sized company as an AI consultant, the invoice sets a tone. FreshBooks produces clean, professional invoices with your branding, clear line items, payment terms, and online payment links. The client clicks a button and pays. No “please wire to this account” emails. No PDF attachments that get lost in inboxes.
Automated payment reminders handle the uncomfortable follow-up. Late invoices get nudged without you writing an awkward email.
Expense Tracking for Dev Infrastructure
MCP development accumulates expenses that are easy to lose track of: Anthropic API credits, cloud hosting, domain registrations, SSL certificates, Docker Hub subscriptions, conference tickets, hardware. FreshBooks connects to your bank account and credit card, pulls in transactions, and lets you categorize them.
At tax time, your accountant gets a clean export instead of a shoebox of receipts. For a Florida LLC, keeping business and personal expenses cleanly separated from day one prevents the kind of mess that costs real money to untangle later.
Project Profitability
When you’re consulting for multiple clients while building a product, you need to know which engagements are actually profitable. FreshBooks tracks revenue and expenses per project, showing you the real margin after accounting for your time and direct costs. This data informs pricing decisions — if a $150/hour engagement is eating 60 hours a month and blocking product development, you need to see that clearly to adjust.
Reports for Tax and Planning
FreshBooks generates profit-and-loss statements, expense reports, tax summaries, and accounts aging reports. For quarterly estimated tax payments (which Florida LLCs need to handle at the federal level), having accurate revenue and expense numbers on demand means you’re not guessing.
If you eventually seek investors for the MCP tooling, clean financials from day one signal that the business is run professionally. Investors notice when a founder can produce accurate historical financials without scrambling.
Setting It Up for Dual-Track Work
The practical setup for running consulting and MCP development side by side:
Clients as projects. Each consulting engagement gets its own project with an hourly rate, budget, and time tracking. You see at a glance how many hours you’ve billed, how many remain in the budget, and what’s outstanding.
MCP development as an internal project. Non-billable, but time-tracked. This becomes your R&D log — useful for tax purposes and for understanding your actual time allocation.
Expense categories aligned to tax deductions. Software subscriptions, cloud infrastructure, home office, travel, professional development. Set these up once and categorize consistently.
Recurring invoices for retainer clients. If a consulting client pays a monthly retainer for ongoing AI advisory work, FreshBooks automates the invoice on a schedule. One less thing to remember.
Separate revenue categories. When MCP tooling starts generating revenue (subscriptions, licensing, whatever the model becomes), tag it differently from consulting income. This matters for understanding which part of the business is growing and for eventual investor conversations.
What FreshBooks Won’t Do
It’s not an ERP. It won’t manage complex inventory, multi-currency payroll, or sophisticated financial modeling. If the consulting firm grows to ten people with international clients and subcontractors across time zones, you’ll outgrow FreshBooks and migrate to QuickBooks or Xero.
But that’s a good problem to have, and it’s not today’s problem. Today’s problem is invoicing clients, tracking time, managing expenses, and staying tax-compliant without losing hours that should go toward building product and serving clients.
The best accounting tool for a solo dev shop is the one you actually use. FreshBooks is simple enough that you will, professional enough that clients won’t notice, and structured enough that your accountant won’t hate you at tax time.