Informal vs. Formal Unions: Understanding Your Options

What Is a Union?

A labor union is a group of two or more employees who join together to advance common interests such as wages, benefits, schedules, and other terms and conditions of employment. By acting collectively, workers have a powerful voice that strengthens their ability to negotiate with their employer. Higher wages, health insurance, vacation days, paid sick leave, retirement benefits, flexible scheduling, protections against harassment, and safer working conditions are all examples of what workers achieve through their unions. Unions are membership-driven, democratic organizations governed by laws that require financial transparency and integrity, fair elections, and fair representation of all workers in the bargaining unit. The mechanism by which a union and an employer reach agreement is called collective bargaining. The results of these negotiations are contained in a collective bargaining agreement (CBA) — a legally enforceable, written contract between the union and the employer. Despite the power of unions, only about 11% of American workers are currently represented by one — while research shows that over half of non-union workers say they would join a union if they could. That gap between demand and representation is exactly why organizing matters.

What Is an Informal Union?

An informal union — sometimes called a solidarity network, worker committee, or organizing group — is any group of coworkers who act together to improve their working conditions without seeking official recognition from the government or the employer. There is no certification, no dues structure, and no legal obligation on the employer to negotiate with the group. Despite the lack of official status, informal unions are fully protected under the law. Section 7 of the National Labor Relations Act protects "concerted activity for mutual aid or protection," and that protection applies whether or not you have a certified union. As the U.S. Department of Labor states: "By law, employers cannot fire, discipline, demote or penalize workers in any way for engaging in these activities." Two coworkers drafting a petition about unsafe conditions have the same legal protection as a 10,000-member local filing a grievance. Informal unions are far more common than most people realize. Every group chat where coworkers discuss scheduling problems, every break-room conversation about unfair pay, every coordinated call-out to protest unsafe conditions — these are the seeds of informal collective action. The question is not whether informal organizing happens, but whether you want to give it structure and power.

What Is a Formal (Certified) Union?

A formal union is a labor organization that has been officially recognized as the exclusive bargaining representative of a group of workers. Recognition happens either through an NLRB-supervised election or through voluntary recognition by the employer. Once certified, a formal union has legal rights that informal groups do not. The employer is legally required to bargain in good faith with the union over wages, hours, and working conditions. The union can negotiate a binding collective bargaining agreement (CBA) that covers all workers in the bargaining unit. Workers gain access to a formal grievance procedure, arbitration rights, and the union can file unfair labor practice charges on their behalf. Formal unions also come with obligations. They must hold democratic elections for leadership, maintain financial transparency, and represent all workers in the bargaining unit fairly — not just those who voted for the union. Most formal unions collect dues to fund operations, legal representation, and strike funds.

Types of Unions

Not all unions are structured the same way. Understanding the different types helps you decide what model fits your workplace. Unions generally fall into several categories based on how they organize workers and how they are structured.

Craft Unions

Craft unions (also called trade unions) organize workers based on a specific skilled trade or craft. All carpenters belong to the carpenters' union, electricians to the electricians' union, and so on. These are among the oldest types of labor unions, dating back to the 19th century when they formed to protect skilled workers during the Industrial Revolution. Craft unions set high standards for member competency, often running apprenticeship programs and certifications. Their strength comes from controlling the supply of skilled labor in a trade. Examples include the International Brotherhood of Electrical Workers (IBEW) and the United Brotherhood of Carpenters and Joiners of America (UBC).

Industrial Unions

Industrial unions represent all workers in a particular industry regardless of their specific job or skill level — from production floor workers to clerical staff. Rather than organizing by trade, they organize by employer or sector. This model emerged in the early 20th century during the manufacturing boom, when millions of semi-skilled and unskilled workers needed representation that craft unions didn't provide. Industrial unions often engage in sectional bargaining, negotiating contracts that span multiple employers within an industry. Their power comes from representing the entire workforce of an industry, giving them significant leverage. Examples include the United Auto Workers (UAW) and the United Steelworkers (USW).

Public Sector Unions

Public sector unions represent employees who work for government entities at the local, state, or federal level — teachers, police officers, firefighters, civil servants, and more. They negotiate with government employers over wages, benefits, pensions, and working conditions. Public sector unions face unique challenges. They often have legal restrictions on their right to strike, and they negotiate with employers whose budgets are set by legislation rather than market revenue. Despite these constraints, public sector unions have been effective at securing strong benefits, job protections, and pension plans. Examples include the American Federation of State, County, and Municipal Employees (AFSCME) and the National Education Association (NEA). Note that public sector workers are not covered by the NLRA — their rights are governed by the Federal Labor Relations Authority (federal employees) or state labor agencies.

General Unions

General unions take a flexible approach, representing workers from various industries and job types. Unlike craft or industrial unions, they are open to workers from any sector. This model is especially valuable for workers in smaller industries or workplaces that lack an obvious union match — retail, food service, warehouse work, and other sectors where workers might otherwise be overlooked. Examples include the United Food and Commercial Workers (UFCW) and the Service Employees International Union (SEIU).

Independent Unions

Independent unions are worker-created organizations that operate autonomously without affiliation to a national or international union. They are formed, funded, and governed entirely by their own members. Independent unions often generate strong member commitment and community support because of their grassroots, directly democratic nature. Members avoid contributing dues to national overhead costs, and the union can respond to local issues without navigating a larger bureaucracy. The trade-off is that independent unions may lack professional negotiating experience, legal staff, and strike funds — resources they must build from scratch. A notable recent example is the Amazon Labor Union (ALU), which organized an Amazon warehouse on Staten Island independently before later affiliating with the Teamsters.

Federations and Umbrella Organizations

Federations are not unions themselves but structured groupings of multiple unions under one umbrella. They coordinate collective bargaining strategy, provide services and resources to member unions, and amplify labor's political voice through lobbying and advocacy. The largest federation in the United States is the AFL-CIO (American Federation of Labor and Congress of Industrial Organizations), which represents over 60 affiliated unions. The Change to Win Federation is another major grouping. When your union affiliates with a larger body, you typically join through a federation like one of these.

Emerging and Hybrid Unions

New forms of worker organization are emerging to address modern employment arrangements. Gig workers, freelancers, and tech workers are forming unions and union-like organizations that blend traditional union structures with new, technology-driven strategies. The Freelancers Union advocates for independent workers, and tech workers at companies like Google and Amazon have organized through both traditional and nontraditional models. These emerging unions are expanding what collective action looks like — using digital organizing, social media campaigns, and platform-based coordination alongside traditional tactics. If your workplace doesn't fit neatly into a traditional union model, these hybrid approaches may be the best fit.

Comparing Informal and Formal Unions

Understanding the trade-offs helps you decide what's right for your workplace at this moment. Neither form is inherently better — they serve different purposes at different stages of organizing.

• Legal bargaining power: Formal unions have it. Employers must negotiate. Informal groups can pressure and petition, but the employer has no legal duty to bargain.
• Contract enforcement: Only formal unions can negotiate binding collective bargaining agreements with grievance procedures and arbitration. Informal groups rely on collective pressure.
• Legal protections: Both are protected under the NLRA. Concerted activity is concerted activity, certified or not.
• Flexibility: Informal groups are faster to form, easier to adapt, and have no bureaucratic requirements. Formal unions require elections, bylaws, and ongoing administration.
• Durability: Formal unions are harder to dismantle. They survive leadership changes and individual departures. Informal groups can dissolve when key organizers leave.
• Employer obligation: Employers must bargain with certified unions. They can ignore informal groups (though doing so risks escalation).
• Cost: Informal groups have no mandatory costs. Formal unions typically require dues, which fund legal representation, negotiations, and operations.
• Scope: Formal unions can negotiate across the entire bargaining unit. Informal groups often focus on specific issues or departments.

When an Informal Union Is the Right Choice

An informal union may be the best fit when you are in the early stages of organizing and don't yet have majority support. Trying to formalize too early can expose your effort before it's strong enough to survive management's counter-campaign. An informal structure lets you build relationships, identify leaders, and test your collective power with lower stakes. Informal organizing also works well when the workplace is small, turnover is high, or workers are classified in ways that complicate NLRB elections (e.g., a mix of employees and independent contractors). Some workers prefer the flexibility of acting collectively on specific issues without the long-term commitment of a formal union. Many successful formal unions started as informal groups. The two are not opposites — they are stages on a spectrum. The key is to organize intentionally, even without formal recognition.

When to Formalize

Consider formalizing your union when you have strong, sustained majority support (65-70%+), a committed organizing committee, and specific demands that require ongoing negotiation rather than one-time action. Formalization makes sense when you need the legal weight of mandatory bargaining — for example, when management acknowledges your group's complaints but refuses to make binding commitments, or when you want protections like a grievance procedure and just-cause termination standards written into a contract. Formalization is also the right move when your informal group has matured to the point where it needs structure to survive. If your organizing depends on a few key people, a formal union with elected officers, bylaws, and institutional memory is more resilient. If you're coordinating actions across shifts or departments, formal structure helps maintain discipline and accountability.

How to Transition from Informal to Formal

Formalizing a union is a process, not a single event. Here's how it typically works: 1. Build supermajority support. Before you pursue formal recognition, make sure at least 65-70% of workers in your proposed bargaining unit are committed. Use your workplace map to verify your numbers. 2. Collect authorization cards. Have supporters sign cards indicating they want union representation. You need at least 30% to file for an NLRB election, but aim much higher — the cards are your proof of support, and some will waver during the campaign. 3. Decide whether to affiliate or go independent. Research established unions in your industry and weigh the benefits of their resources and expertise against the autonomy of an independent union. Talk to organizers from several unions before committing. 4. Choose your recognition path. You can file for an NLRB election (the most common route) or request voluntary recognition from your employer. If you have 50%+ cards, voluntary recognition is possible but depends on employer willingness. 5. File with the NLRB. Submit your petition and authorization cards to your regional NLRB office. The NLRB will verify sufficient interest, determine the bargaining unit, and schedule an election. 6. Campaign and win the vote. Between filing and the election, maintain communication with all workers. Inoculate against management's counter-campaign. On election day, a simple majority of votes cast wins. 7. Certify and begin bargaining. After winning, the NLRB certifies your union. You can now elect officers, adopt a constitution, and begin negotiating your first contract — your collective bargaining agreement.

Deciding Whether to Affiliate or Stay Independent

When formalizing, you'll need to decide whether to affiliate with an established national union or to form an independent union. This is one of the biggest structural decisions your group will make. Affiliating with an established union gives you access to experienced organizers, legal staff, strike funds, and deep bargaining expertise. Large national unions have institutional knowledge from thousands of contract negotiations and NLRB campaigns. They can provide training, financial support during a strike, and political advocacy at the state and federal level. They also connect you to a federation like the AFL-CIO, amplifying your voice on a national stage. The trade-off is that you pay per-capita dues to the parent union and may have less autonomy over certain decisions. An independent union gives you complete control over your structure, priorities, and finances. You answer only to your own members, decisions happen through direct democracy, and you avoid contributing dues to national overhead. However, you'll need to build every capability from scratch — legal representation, bargaining expertise, financial management, and organizational infrastructure. Independent unions can be a strong fit for small, cohesive workplaces where workers want maximum self-determination and are willing to invest the effort. There's no universally right answer. Research unions that represent workers in your industry, talk to organizers from several, and ask your coworkers what matters most to them.

How uunn Supports Every Stage

Frequently Asked Questions

These are common questions workers have when they first start thinking about organizing. If you don't see your question here, check our other education articles or reach out to the NLRB directly.

Who can form and join a union?

Most workers across many industries and occupations — teachers, nurses, graduate student employees, service and retail workers, professionals, construction and manufacturing workers, and more — are eligible to form and join unions. In general terms, non-managerial employees who work for private-sector employers are covered by the National Labor Relations Act. Airline and railway workers are covered under separate federal law. Federal employees and state, county, and local government workers in many (but not all) states may also form and join unions under other statutes. The main exclusions are managers and supervisors with hiring/firing authority, independent contractors, agricultural laborers, and domestic workers.

Can my employer stop me from organizing?

No. It is the policy of the United States government to encourage the practice and procedure of collective bargaining. Under the NLRA, it is an unfair labor practice for an employer to interfere with, restrain, or coerce employees exercising their organizing rights. Employers may not threaten you, interrogate you about union activity, promise benefits to discourage organizing, or surveil your organizing efforts (remember: TIPS). They cannot fire, discipline, demote, or penalize workers for engaging in protected concerted activity. If your employer violates these rules, you can file an unfair labor practice charge with the NLRB.

Do I have to join a big national union, or can we form our own?

You can do either. Workers can contact an established union for support and guidance, or they may organize their own independent union. Established unions provide infrastructure — organizers, lawyers, strike funds, and negotiating expertise — but independent unions offer full autonomy and lower dues. Many workers start by forming an independent organizing committee and then decide later whether to affiliate. There is no legal requirement to join an existing union to be recognized.

What is collective bargaining?

Collective bargaining is the process by which a union (representing workers) and an employer (management) negotiate a mutual agreement over workplace issues. The result is a collective bargaining agreement (CBA) — a legally enforceable, written contract covering wages, benefits, hours, working conditions, grievance procedures, and other terms of employment. The CBA applies to all workers in the bargaining unit, whether or not they are union members. If negotiations stall, the Federal Mediation and Conciliation Service (FMCS) provides free mediation to help both sides reach agreement.

What if my employer threatens or retaliates against me?

Employer retaliation for organizing is illegal. If your employer fires, disciplines, demotes, or takes any adverse action against you for exercising your organizing rights, you can file an unfair labor practice charge with your regional NLRB office. The NLRB can order remedies including reinstatement, back pay, and cease-and-desist orders. Document everything — keep a contemporaneous log with dates, times, witnesses, and what was said. The statute of limitations for filing is 6 months from the incident, so act promptly. See our article on Retaliation Protections for more detail.

How many coworkers do I need to start?

Legally, concerted activity requires just two or more employees acting together for mutual aid or protection. You can start organizing with a single trusted coworker. To file for an NLRB election, you need signed authorization cards from at least 30% of the proposed bargaining unit — but experienced organizers recommend waiting until you have 65-70% support before going public, because management's counter-campaign will erode some support.

What does it cost to form a union?

Forming a union is free. Filing a petition with the NLRB costs nothing. There is no fee to hold an election. Once a union is certified and operational, most unions collect dues from members to fund legal representation, contract negotiations, grievance handling, and strike funds. Dues vary — they might be a flat monthly amount or a small percentage of wages (typically 1-2%). Independent unions generally have lower dues since they don't pay per-capita fees to a national body. The benefits unions negotiate — higher wages, better benefits, job protections — typically far exceed the cost of dues.

Can I organize if I work in the gig economy or as a freelancer?

Traditional NLRA protections apply to employees, not independent contractors. However, many gig workers are exploring new forms of collective action — freelancer unions, worker cooperatives, and advocacy organizations that use public pressure, legislation, and technology-driven organizing to win improvements. Some gig workers have been reclassified as employees through legal challenges, which would give them full NLRA rights. If you're unsure of your classification, consult a labor attorney — many workers classified as contractors are actually misclassified employees who do have organizing rights.