Commission, renewals, and overrides don't come with withholding. We handle the entity structure, quarterly taxes, and deductions that come with that — so you can focus on your next client.
Insurance agents, brokers, and mortgage loan officers face a tax picture most generalist preparers don't fully understand: commission and renewal income with little or no withholding, a mix of W-2 and 1099 arrangements depending on captive vs. independent status, heavy marketing and licensing costs, and an entity decision that affects every dollar you keep.
At Mercer Flanagan, we've worked with insurance and mortgage professionals in Frederick and surrounding counties for over 50 years. We know the deductions specific to your business. We know how commission and renewal timing affects your tax bill. And we're here year-round — not just in April.
"The agents and loan officers who come to us mid-year usually have the same surprise: nobody withheld anything from their commission or override checks, and now they owe both income tax and self-employment tax on every dollar. That's avoidable with the right quarterly planning."
We work with:
These are the situations we hear about most often from new clients in insurance and mortgage lending.
Commission, override, and renewal checks arrive with nothing withheld for income or self-employment tax. Without quarterly estimated payments, this can lead to a large, unexpected bill — plus penalties — the following April.
Many independent agents and loan officers earning well above the S-Corp threshold are still filing as a sole proprietor, paying full self-employment tax on every dollar. This is one of the first things we evaluate for every new client.
Captive agents and many loan officers receive a W-2 base plus 1099 commission overrides. These two income streams need to be coordinated on one return, not treated as separate problems.
Continuing education, state licensing fees, E&O insurance, lead generation, and CRM subscriptions are all deductible business expenses that are routinely missed or under-tracked.
A strong renewal season followed by a slow new-business quarter makes it easy to under- or overestimate taxes for the year. We adjust your estimates as your actual income plays out.
Without clean separation between business and personal expenses, it's hard to know what you're actually netting after marketing, licensing, and overhead. We provide bookkeeping support and QuickBooks setup for professionals who need it.
How you're structured has a bigger impact on your tax bill than almost any other single decision. Here's how the common structures compare for insurance and mortgage professionals.
| Structure | Self-Employment Tax | Admin Complexity | Best For |
|---|---|---|---|
| Sole Proprietor / Single-Member LLC | 15.3% on all net income | Lowest | New agents or loan officers still building a book |
| S-Corporation | Only on reasonable salary | Moderate | Established producers earning $80K+ net commission |
| Agency Entity (Multi-Producer) | Varies by structure | Moderate–High | Agency owners managing multiple producers |
The right answer depends on your income level, whether you're captive or independent, and whether you own or work within an agency. We analyze this for every new client. Read our S-Corp vs. LLC guide →
We evaluate your current structure, run the numbers on what an S-Corp election would save you, and handle the paperwork to make the switch if it makes sense. For many agents and loan officers earning over $80,000 in net commission income, this is the highest-return tax move available.
S-Corp vs. LLC: Which Is Right for You? →We prepare your business return — Schedule C or Form 1120-S for S-Corps — along with your personal Form 1040, including all schedule attachments. Everything is handled under one roof with full context across both returns.
Small Business Tax Services → Individual Tax Preparation →We calculate your quarterly estimated payments based on your actual year-to-date commission, override, and renewal income, and adjust as the year unfolds. No surprise April bills. No unnecessary overpayments sitting with the IRS for months.
Tax Planning Services →Client meetings, prospecting visits, and closing appointments generate significant deductible mileage. We help you set up a tracking system so this deduction is fully captured and properly documented.
Lead generation platforms, CRM subscriptions, continuing education, and licensing fees are all deductible — we make sure these are captured correctly and documented in a way that holds up if questioned.
Clean, current books so you actually know what you're netting after marketing, licensing, and overhead — not just at tax time. We offer ongoing monthly bookkeeping and can clean up the books if they've fallen behind.
QuickBooks Support & Training →Many agents and loan officers own rental properties or investment accounts alongside their commission income. We handle the full picture — rental income, depreciation, passive activity rules, and coordination across all your income sources.
Tax Planning Services →If you or your agency need compiled financial statements for a loan application or business planning purposes, we handle that. Clean, professionally prepared statements that lenders accept.
Financial Statement Compilations →These are the deductions that are specific to insurance and mortgage professionals — the ones generalist preparers most often underutilize or miss entirely. Every situation is different, and eligibility depends on your specific circumstances, but these are worth discussing with us.
Deductibility always depends on your specific facts and circumstances. The IRS has specific rules about what qualifies, how to document it, and how to calculate it. We make sure you're capturing what you're entitled to — and that it's documented properly so it holds up if questioned.
Big firms want big corporate clients. We built our practice around the agents, brokers, loan officers, and professionals who are the backbone of Frederick County. You won't be handed off to a junior associate. You won't wait three weeks for a call back. You get a CPA who knows your name and your situation.
Year Mercer Flanagan was founded in Frederick, MD
Years serving local professionals, businesses & nonprofits
Rated by clients across Frederick County
Access to your CPA — not just during tax season
Year-round access to your CPA. Questions get answered when you have them, not weeks later.
We understand the cash flow swings and tax timing that come with commission and renewal-based work.
We're based in Frederick, MD. We know this community and we're not going anywhere.
We don't just file your returns. We contact you when something changes that affects your tax situation.
Book a free 20-minute consultation. We'll tell you honestly whether we can help — and what it would cost. No pressure, no obligation.
Book a Free Consultation