Most founders ask when their company needs HR infrastructure as if there is a single moment the answer changes. There is not. Federal law adds obligations at specific headcount thresholds. State law adds additional obligations — often at lower thresholds — in every state where an employee works. The compliance picture is layered, sequential, and jurisdiction-specific. Every new hire in a new state resets part of the calculation.
The federal threshold map
Wage and hour law applies from the first hire. The Fair Labor Standards Act governs overtime, minimum wage, and employee classification. I-9 employment eligibility verification is required for every new hire. OSHA workplace safety obligations apply regardless of size.
Title VII prohibits discrimination based on race, color, religion, sex, and national origin. The ADA prohibits discrimination based on disability and requires reasonable accommodation. At 15 employees, your documentation practices, complaint handling process, and investigation protocol are the record the EEOC will review if a charge is filed.
The Age Discrimination in Employment Act protects workers 40 and older from discrimination in any aspect of employment. Reductions in force require careful analysis of whether the selection pattern has an adverse impact on workers 40 and older. Severance agreements offered to workers 40+ require a 21-day consideration period and a 7-day revocation window.
The Family and Medical Leave Act applies to employers with 50 or more employees within 75 miles of a worksite. Eligible employees have the right to 12 weeks of unpaid, job-protected leave for qualifying family and medical reasons. The ACA employer mandate triggers at 50 full-time equivalent employees.
EEO-1 Component 1 annual demographic reporting is required by the EEOC. The WARN Act requires 60 days’ advance written notice to employees before plant closings or mass layoffs. Employers planning significant workforce reductions must build WARN Act compliance into the planning sequence before the decision is communicated.
Under federal Title VII, compensatory and punitive damages are capped based on employer size: $50,000 for employers with 15 to 100 employees; $100,000 for 101 to 200; $200,000 for 201 to 500; $300,000 for employers with more than 500 employees. These caps apply only in federal court on federal claims. Under state law in states that have removed their own damage ceiling, a jury decides the amount with no limit.
42 U.S.C. §1981a · Proskauer California Employment Law Update 2024–2026State law: the layer most companies miss
Every state where an employee works triggers that state’s employment law obligations — regardless of where the company is headquartered. Required new-hire paperwork, required workplace postings, paid sick leave laws, pay frequency requirements, final pay timing on termination, pay transparency obligations, and the state’s anti-discrimination statute all apply in the state where the employee works.
A company expanding from one state to a second state may cross multiple new compliance thresholds simultaneously. Remote employees are the most common source of unrecognized multi-state exposure for growth-stage companies.
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