Bookkeeping for a Med Spa in Texas (Inventory, Deferred Revenue, Commissions, and Monthly Close)

Disclaimer: The information on this website (including all examples, explanations, and content) is for general informational purposes only and should not be considered tax, legal, or financial advice. Always consult with a qualified professional about your specific situation.

Med Spa Bookkeeping Is Three Problems Stacked on Top of Each Other

Med spa bookkeeping is harder than most professional services because three different complex problems all live in the same set of books at the same time. The injectable inventory has to be tracked through COGS. The retail product has to be tracked separately through COGS. The membership and package programs produce deferred revenue that has to be unwound as services are delivered. And on top of all that, the commission structures for injectors and aestheticians have to flow through payroll correctly.

A med spa with a generic small business chart of accounts and no inventory tracking does not have books in any meaningful sense. The owner has receipts in a pile and a checking account balance, neither of which support real decision making.

This post walks through the practical bookkeeping setup for a Texas med spa. The related operational topics live in our payroll for med spas in Texas, tax deductions for med spas in Texas, and why med spa owners are cash poor posts. For the small business bookkeeping foundations this post builds on (cash vs accrual, chart of accounts basics, monthly close discipline), see our small business bookkeeping 101 guide and top 5 bookkeeping mistakes that wreck your tax return.

Chart of Accounts for a Med Spa

The chart of accounts needs to support the inventory complexity and the deferred revenue from memberships.

Revenue Accounts

Injectable Services Revenue (Botox, fillers, biostimulators)
Laser and Device Treatment Revenue
Aesthetic Services Revenue (facials, peels, microneedling, etc.)
Body Contouring Revenue (if applicable)
IV Therapy Revenue (if applicable)
Retail Product Revenue (separate from service)
Membership Revenue
Package Revenue (broken out from membership if useful)
Gift Card Revenue (separate; gift cards have specific revenue recognition rules)

Cost of Service / Cost of Goods Sold

Injectable Inventory COGS (neurotoxins, fillers, biostimulators expensed as used)
Retail Product COGS (skincare lines, supplements expensed as sold)
Treatment Consumables (needles, gloves, gauze, topicals)
IV Therapy Supplies
Device Maintenance Contracts (sometimes treated as service expense rather than COGS)

The injectable inventory COGS is typically the largest single line. Tracking it separately from treatment consumables lets you see injectable margin specifically.

Operating Expense Accounts

Wages and Payroll Taxes
Commission Compensation (run through payroll, but often tracked as a separate expense account on the P&L)
Employee Benefits
Medical Director Fees (1099 contractor)
Rent
Utilities
Phone and Internet
Spa Management Software (Mindbody, Boulevard, Aesthetics Pro, Zenoti)
Marketing and Advertising
Continuing Education and Training
Professional Memberships
Malpractice Insurance
General Liability and Property Insurance
Cyber Liability Insurance
Repairs and Maintenance
Depreciation Expense

Balance Sheet Accounts

Operating Cash Account
Reserve / Savings Account
Accounts Receivable (most spa revenue is collected at the time of service)
Injectable Inventory
Retail Inventory
Treatment Consumables Inventory (if tracked)
Fixed Assets (Lasers, Devices, Furniture, Build Out)
Accumulated Depreciation
Accounts Payable
Credit Cards Payable
Loans Payable
Deferred Revenue (memberships and packages) — this is critical
Gift Card Liability
Owner Equity

The deferred revenue account is the single most important balance sheet item specific to med spas. Without it, the books cannot accurately reflect the financial position of the spa.

Injectable Inventory Tracking

This is the area where med spas most commonly have bookkeeping failures.

How It Should Work

When you receive a shipment of Botox from Allergan:

The cost posts to Injectable Inventory (balance sheet asset)
The bank or A/P decreases or increases by the same amount

When you use units of Botox on a client:

The cost of those units posts to Injectable COGS (P&L expense)
The Injectable Inventory decreases by the same amount
The revenue from the client posts to Injectable Services Revenue (P&L)

Tracking by Unit

Botox and similar products are tracked by unit. A vial contains a specific number of units, and units are dispensed per treatment. The cost per unit is the vial cost divided by units per vial.

Fillers are tracked by syringe. Each syringe is a discrete unit with its own cost.

The practice management or spa management software typically tracks the unit level detail. The books need to reflect the total inventory balance and total COGS, with the unit level detail living in the spa software.

Expired Inventory

Vials and syringes that expire are real losses. The accounting:

Reduction of Injectable Inventory (balance sheet)
Increase to an Inventory Loss expense account (P&L)

Practices that do not write off expired inventory carry an inflated inventory balance that does not reflect what is actually on the shelf.

Retail Product Inventory

Skincare lines, supplements, and other retail products are tracked through inventory and COGS the same way as injectables, but with their own accounts.

The retail margin is typically much different from the injectable margin (often higher gross margin but lower revenue per unit). Tracking retail separately lets the spa see whether retail is producing the expected margin and how much retail inventory is sitting on the shelf.

Slow moving retail is one of the most common silent cash drains in med spas. The product was paid for, but it is not selling. Until it is sold or written down, the spa's cash is on the shelf as inventory.

Deferred Revenue From Memberships and Packages

This is the most conceptually complex part of med spa bookkeeping and the one most commonly handled incorrectly.

How Membership Revenue Should Work

When a client buys a membership at $150 per month, billed monthly, the cash arrives monthly and is recognized as revenue in the month received. No deferred revenue needed for that structure.

When a client buys an annual membership prepaid at $1,500 upfront, the cash arrives now but the service is delivered over 12 months. The accounting:

Cash increases by $1,500 (balance sheet)
Deferred Revenue increases by $1,500 (balance sheet liability)
Each month, $125 moves from Deferred Revenue to Membership Revenue (P&L)

By the end of the 12 month period, the Deferred Revenue balance for that client is $0 and the full $1,500 has been recognized as revenue.

How Package Revenue Should Work

A client buys a package of 6 treatments for $1,200 prepaid. The accounting:

Cash increases by $1,200
Deferred Revenue increases by $1,200

When the client redeems each treatment:

Deferred Revenue decreases by $200 (or whatever the per treatment value is)
Revenue increases by $200

If the package expires unredeemed (subject to state law on gift card and prepaid service rules), the remaining Deferred Revenue is recognized as revenue at expiration.

Why This Matters

Without deferred revenue accounting, the P&L is wrong in both directions. Months with strong package and membership sales look unrealistically profitable. Months delivering past memberships look weak even though revenue is being earned. The owner cannot tell which months were genuinely strong and which months were just collecting cash for future services.

The deferred revenue balance is also a real liability. The spa has promised services it has not yet delivered. Distributing the prepaid cash to the owner without leaving service capacity to deliver against the deferred liability creates future problems.

Commission Tracking

Commissions paid to injectors and aestheticians on W-2 are wages and run through payroll. The expense appears in Wages or in a separate Commission Compensation account on the P&L.

The commission calculation typically happens in the spa management software (based on services rendered) and is then exported into payroll. The books should reflect the gross commission as wages, with payroll taxes on top of that.

Practices that pay commissions outside payroll (cash, separate check, "off the top" of cash sales) are creating tax problems for both the employee and the spa. Our payroll for med spas in Texas guide covers this in detail.

Equipment Depreciation

Laser platforms and treatment devices are typically the most expensive equipment in a spa. They are tracked as fixed assets on the balance sheet and depreciated over time on the P&L. Section 179 and bonus depreciation can accelerate the tax deduction. Our Section 179 vs bonus depreciation post covers the tax side.

The Monthly Close

A good monthly close for a med spa produces:

Reconciled bank and credit card statements
Injectable inventory adjusted to physical count
Retail inventory adjusted to physical count
Treatment consumables expensed as used (or reconciled to count if tracked)
Deferred revenue rolled forward (memberships recognized, packages redeemed)
Commission compensation reconciled to spa management software
Owner compensation recorded correctly
Loan principal and interest split correctly
Depreciation entries
Reviewed P&L, balance sheet, and deferred revenue rollforward

Common Med Spa Bookkeeping Mistakes

Expensing Injectable Purchases at the Time of Order

The single most common and most damaging mistake. Inventory is a balance sheet item; COGS is the expense. Expensing inventory at order overstates expense in the purchase month and produces a misleading P&L.

Treating Membership Cash as Revenue

Membership and package cash collected for future services is deferred revenue, not current revenue. Treating it as revenue distorts the P&L and creates a misleading picture of profitability.

Not Writing Off Expired Inventory

Expired vials and syringes are real losses. Without write off, the inventory balance is inflated.

Mixing Retail and Service Revenue

Retail product revenue and service revenue have different margins. Mixing them hides which side of the business is performing.

Paying Commissions Outside Payroll

Cash commissions, "off the top" payments, and 1099 commission payments for W-2 producers create tax problems and bookkeeping problems.

Mixing Personal and Spa Expenses

Owner personal expenses through the spa card create messy books.

Skipping the Monthly Close

Med spa books require active monthly attention because of inventory and deferred revenue. Skipping the close for a few months produces a much bigger cleanup later.

Frequently Asked Questions

Should I count injectable inventory weekly?

Many spas count high value inventory (Botox, fillers) weekly because shrinkage and waste are real concerns. Monthly is the minimum.

How do I handle gift cards in bookkeeping?

Gift cards sold are a liability until redeemed (similar to deferred revenue). When the gift card is redeemed, the liability is reduced and revenue is recognized. Unredeemed gift cards may eventually become revenue under specific state law rules (escheatment and abandoned property laws).

Cash basis or accrual basis?

The IRS generally requires accrual basis for businesses with meaningful inventory, which includes most med spas. Talk to your tax advisor about the specific rules.

Do I need to track each injector's commission in the books?

The books need to reflect total commission expense. The injector level detail can live in the spa management software, but the books should reconcile to the total commission paid each month.

How often should I reconcile?

Monthly at minimum. Weekly bank reconciliations for spas with high transaction volume.

Should I outsource bookkeeping?

Most med spas benefit from outsourcing to someone familiar with med spa bookkeeping specifically. The injectable inventory, deferred revenue, and commission complexity are easier with someone who knows the patterns.

Getting Med Spa Bookkeeping Right

Med spa bookkeeping has more moving parts than people expect, and the practices that handle it well consistently outperform on cash management and tax planning. The right setup includes proper injectable inventory tracking, separate retail inventory accounting, honest deferred revenue accounting for memberships and packages, commission flowing through payroll, and a monthly close that actually closes.

If you also want the related operational topics, our payroll for med spas in Texas guide covers the staff side, our tax deductions for med spas post covers deductions, and our why med spa owners are cash poor post covers cash flow.

We work with med spa owners across Quinlan, Hunt County, Rockwall, Kaufman, and the greater Dallas area on bookkeeping, payroll, tax preparation, and broader tax planning.

Want med spa bookkeeping that actually tells you what is going on? Contact us here to talk about getting your books, inventory, and deferred revenue set up so monthly reports support the decisions you need to make.