Informalisation of work refers to the expansion of employment outside the formal sector, characterized by a lack of regulation, social security, and formal contracts. Capitalism, driven by its inherent pursuit of profit maximization and efficiency, has significantly contributed to this trend.

One primary driver is globalization and intense competition. In a globalized market, companies face immense pressure to reduce costs to remain competitive. This often leads to outsourcing, subcontracting, and the use of temporary or contract labor, which are typically less regulated and offer fewer benefits than formal employment. Businesses can quickly scale up or down their workforce without the long-term commitments associated with permanent employees.

Technological advancements, particularly in the digital realm, have also fueled informalization. The rise of the 'gig economy,' facilitated by platforms like Uber, Swiggy, or various freelance marketplaces, exemplifies this. Individuals working in these sectors are often classified as independent contractors rather than employees, stripping them of traditional labor protections, minimum wage guarantees, and social security benefits. This model allows companies to externalize costs and risks onto individual workers.

Furthermore, demand for labor flexibility by capitalist enterprises plays a crucial role. To adapt quickly to fluctuating market demands, seasonal variations, or project-based work, companies prefer a flexible workforce. This preference translates into a greater reliance on part-time, casual, and temporary workers, who often operate in the informal economy.

Weakening of labor unions and deregulation in many economies, often influenced by neoliberal policies, has also made it easier for employers to informalize work without significant resistance. Governments, sometimes in a bid to attract foreign investment or boost employment figures, may relax labor laws, inadvertently promoting informal practices.

Supply-side factors, especially in developing countries with large populations and limited formal job opportunities, contribute to the acceptance of informal work. Many individuals, lacking alternatives, are compelled to take up informal jobs, even if they offer poor wages, job insecurity, and hazardous working conditions.

Consequences of this informalization include increased job insecurity, lack of social protection (health insurance, pensions), lower wages, poor working conditions, and difficulty in collective bargaining for workers. While it offers flexibility for businesses and some individuals, it often comes at the cost of worker welfare and social equity. Thus, capitalism's relentless drive for efficiency and profit, coupled with technological shifts and policy environments, demonstrably leads to an increasing informalization of work in societies worldwide.