Subcontractor and 1099

A subcontractor (commonly called a 1099 in the United States, after IRS Form 1099-NEC) is an independent professional or firm engaged by a services company to perform project work under a contract, without the legal status of an employee, used to fill skills gaps, absorb demand spikes, and manage capacity flexibility without adding permanent headcount.

Why firms use subcontractors

Subcontractors serve three main functions in a professional services operation:

1. Skills gap filling: access to specialized skills the firm does not carry permanently, such as a niche technology, a specific industry domain, or a language requirement
2. Capacity management: absorbing demand spikes without adding permanent headcount that must be sustained through slower periods
3. Geographic coverage: placing project resources in markets where the firm does not have a local office

Subcontractor economics

Subcontractor margin is the spread between what the firm bills the client for the subcontractor’s work and what the firm pays the subcontractor:

Subcontractor margin = (Client bill rate - Subcontractor pay rate) / Client bill rate

A subcontractor billed at $200/hour and paid $140/hour generates a 30% margin on that resource. This margin is typically lower than on employee resources, where the spread between bill rate and fully loaded cost is wider, but the model avoids carrying fixed headcount costs.

Firms that blend subcontractor costs into overall project costs without tracking them separately often underestimate the margin compression on subcontractor-heavy engagements.

Classification risk

The distinction between a subcontractor and an employee is legal, not just contractual. In the United States, the IRS uses behavioral control, financial control, and the nature of the relationship to determine worker classification. The European Union, UK, and most other jurisdictions have similar tests.

Factors that increase misclassification risk:

• The subcontractor works exclusively for one firm over an extended period
• The firm controls the subcontractor’s hours, tools, and methods
• The subcontractor is integrated into the firm’s internal systems and teams
• The relationship is indefinite with no defined project scope

Misclassifying an employee as an independent contractor exposes the firm to back taxes, penalties, and benefits liability. When in doubt, consult employment counsel before the engagement begins.

Managing subcontractors in delivery

Subcontractors integrated into the resource pool with their own cost rates give capacity planning an accurate picture of available supply. Requiring subcontractors to log time in the same system as employees makes project budget tracking complete. Defining deliverables and acceptance criteria in the subcontract, not only in the client contract, reduces delivery disputes when work is handed off or reviewed.