California AB5 in 2026: What IT Contractors and Their Clients Still Get Wrong
Five years after AB5 reshaped California's contractor landscape, misunderstandings about who it covers and what it requires remain widespread in the IT contracting community. The stakes have not diminished - California imposes civil penalties of $5,000 to $25,000 per violation for wilful misclassification, and the enforcement environment in 2026 is more active than at any previous point.
The ABC test - and why IT companies keep failing part B
California's AB5 requires companies to satisfy all three parts of the ABC test to classify a worker as an independent contractor. Part A requires the worker to be free from the company's control and direction. Part C requires the worker to be customarily engaged in an independently established trade. Part B - the one that catches most IT companies out - requires the work to be outside the company's usual course of business.
For a software development company that engages a software developer as a contractor, part B is essentially impossible to satisfy. The developer's work is precisely the company's usual course of business. Courts and enforcement agencies have consistently applied this interpretation. Tech startups and scaleups that have grown up with contractor-heavy workforces are the most exposed demographic in California's enforcement landscape.
The most common misconceptions
The first and most persistent misconception is that a written contractor agreement provides meaningful protection. It does not. California looks at the economic reality of the working relationship, not how the parties have labelled it. A developer working 40 hours per week on a company's core product, using the company's systems and tools, with no other clients, is a de facto employee regardless of what any contract says.
The second misconception is that the professional exemptions mean tech workers are automatically excluded from AB5. The exemptions are narrow and specific - they apply to defined categories such as licensed physicians, lawyers, architects and certain financial advisers. General software development, data analysis and IT consulting are not listed exemptions. A small number of roles may qualify under the B2B exemption if the contractor genuinely operates as an established business entity serving multiple clients, but the conditions are stringent.
The financial liability calculation
The math on AB5 misclassification liability is stark. A company with five misclassified contractors earning $80,000 per year equivalent over three years faces approximate liability of $18,000 in federal income tax (1.5%), $36,720 in employee FICA (40% of 7.65%), $91,800 in employer FICA (100% of 7.65%), $36,630 in failure-to-pay penalties (25%), plus interest. That brings the total to approximately $205,000 before state penalties, attorney fees and the cost of any back-wage claims for unpaid overtime. California state penalties layer on top of this federal exposure.
What genuinely protects you
The B2B exemption under AB5 provides legitimate shelter for IT contractors who genuinely operate as independent businesses. To qualify, the contractor must have their own business entity (typically an LLC or corporation), maintain a business location, have their own business licence where required, offer services to the public at large rather than to a single client, negotiate their own rates, and have multiple clients. A contractor who meets all of these conditions and genuinely provides services to multiple California clients is in a defensible position. The exemption requires annual renewal of the conditions - it is not a one-time test.
Multi-state complexity
US IT contractors increasingly work for clients across multiple states, which creates a patchwork compliance challenge. Massachusetts and New Jersey have adopted strict ABC tests similar to AB5. New York applies a more traditional common-law test but is increasing enforcement activity. Illinois uses a modified ABC test for certain industries. The DOL's proposed 2026 federal rule adds a federal layer that may conflict with or complement state tests depending on the jurisdiction. For contractors working across state lines, maintaining clean records of genuine business independence and taking state-specific advice is the only reliable risk management strategy.
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Sources & further reading
1. DOL - FLSA misclassification guidance
2. Jupid - Employee vs independent contractor 2026: complete tax and legal guide
3. GTA Accounting - 1099 vs W-2: what business owners must know 2026