How Much Does It Cost To Hire A Contractor? The Complete 2026 Pricing Guide

Direct hiring may appear cheaper upfront due to no agency markup. However, the temporary employment agency definition includes assuming massive hidden costs and risks: recruitment advertising time, vetting, legal contracts, payroll administration, employer's liability insurance, sick pay, and compliance with IR35/off-payroll working rules. An agency absorbs these. For most businesses, especially SMEs, the total cost of ownership (including risk) is often lower with a reputable agency.

Furthermore, agencies provide speed and access to a wider talent pool, as seen with our rapid placements for temporary construction workers or urgent finance assistants.

When working with an agency, you pay the agency according to their invoice terms—typically weekly or monthly in arrears, net 7-30 days. The agency then pays the contractor, often weekly, handling all tax deductions. For direct contractors, payment terms are negotiated but often follow weekly or bi-weekly invoicing upon submission of timesheets. Always have a clear contract outlining payment schedules, approved timesheet processes, and any late payment penalties.

IR35 legislation determines if a contractor is a genuine independent business (outside IR35) or a"disguised employee" (inside IR35). If a contractor is deemed inside IR35, the hiring entity (or the agency) becomes responsible for deducting income tax and National Insurance Contributions (NICs) before payment. This significantly increases the cost of engagement, as the contractor's net pay is reduced, and they may demand a higher gross rate to compensate. A key value of a professional agency is their expertise in correctly assessing IR35 status and managing the associated payroll complexities, protecting you from costly tax liabilities and penalties.

Yes, this is a very common practice known as"temp-to-perm" or"contract-to-hire." It's an excellent low-risk way to evaluate a worker's skills and cultural fit before offering a permanent position. Agencies typically charge a conversion fee if you hire the contractor permanently within an agreed period (e.g., 12-26 weeks). This fee is usually a percentage of the contractor's annual salary and is always negotiable upfront. This model is popular across sectors, from healthcare staffing to general recruitment in London.

Terminology varies, but generally, a"temporary worker" is employed by the agency and supplied to you under a contract for services. You pay the agency, and they handle employment rights. A"contractor" often refers to a self-employed individual or limited company director you engage directly or through an agency. The cost difference isn't necessarily in the hourly bill rate but in the structure. Temporary workers accrue holiday pay (included in the rate), while contractors typically do not. Contractors inside IR35 will have tax deducted, affecting their net pay and potentially their demanded rate. The agency markup for temporary workers is standard, while contractor arrangements might have different fee structures.