Tax Guide for Repair & Maintenance Business Owners

From expensing parts and consumables to filing labor costs for subcontracted technicians, we walk you through the tax issues unique to repair and maintenance businesses.

We fix stains and breakdowns to a spotless finish — and we make sure no tax issues get left behind.

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Is buying parts cheap with cash better for taxes?

It can actually work against you. The cost of parts and materials used in a repair is deductible as either cost of goods sold or a supplies expense, but you only get the input VAT credit as well if you receive a tax invoice when you purchase from a parts supplier. If you pay cash and skip getting a receipt, the purchase price may look cheaper, but missing out on the input VAT credit can actually leave you with a higher real tax burden — so we recommend using suppliers who issue tax invoices.

Revenue and Cost Structures Differ Sharply by Specialty

Even within repair and maintenance, laundry shops, auto repair shops, and electronics repair shops have entirely different tax issues

Parts & Materials Make Up a Large Share of Costs

Repair and maintenance businesses see a large share of cost of goods sold going to parts and materials. Whether you receive a tax invoice at purchase changes the size of your input VAT credit and directly affects profitability.

Subcontracted Technicians & Outside Labor Are Common

The filing method differs between a subcontracted technician hired per job and regularly employed staff. Filing that doesn't match how they actually work can lead to tax audits or labor-office disputes, so it's important to classify correctly by business type.

Income Structure Features of Repair & Maintenance

Parts/materials purchases make up a large share of costs, so managing purchase documentation is central
Using subcontracted technicians and outside labor is common
Business-notification and registration requirements differ by specialty (laundry-business notification, auto-repair-business registration, etc.)

Key Expense Items

Parts and materials costs (cost of goods sold)
Depreciation on repair and maintenance equipment
Subcontracted technician labor costs (3.3% withholding)
Waste-oil, waste-material, and other disposal costs

Frequently Asked Questions

We'll Sort Out Your Parts Costs and Subcontractor Labor Accurately

Tax Accountant Kwon Ji-hyun, who understands repair/maintenance purchasing and labor-cost structures, is ready to consult with you.

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