
Sole trader
Simple and flexible support for self-employed professionals, with guidance on tax obligations, invoicing, and compliance
We exist to protect independence by guiding contractors through global payroll and compliance complexity. So they remain independent where legitimate, compliant where required, and never pushed into employment by default.

Explore payroll, compliance, and contractor solutions tailored to your goals, helping you stay compliant, work efficiently, and grow with confidence

Simple and flexible support for self-employed professionals, with guidance on tax obligations, invoicing, and compliance

Structured status determinations for every engagement, documented so that agencies and end clients can defend each decision

Deductible travel, accommodation and training costs collected, checked and applied to payroll without spreadsheets on either side

Guidance on tax obligations, invoicing and record keeping for sole traders, with the checks that keep engagements defensible
Try a recommendation quiz and see how AI personalizes the experience, or chat with our experts to get answers tailored to your situation.
Get a transparent breakdown of expenses, payments, taxes, and operating fees, using the Calculation table to understand how income is distributed
Calculate my incomeExplore practical answers designed to help contractors, agencies, and businesses make informed decisions
Fill out our registration form or get in touch with our registration team via hello@promultis.com,
+44 (0) 203 888 0 888, or WhatsApp.
No. There are no set up or registration costs — getting started with Promultis is completely free.
You are employed by Promultis under our umbrella employment, while the agency remains your point of contact for assignments.
Standard deductions include income tax, National Insurance and any agreed pension contributions, all itemised clearly on your payslip.
Pay frequency depends on your assignment and agency arrangement — we process payments in line with the schedule they provide.
Yes. You accrue statutory holiday pay on your assignments, shown and managed through your portal.
Yes. Employer’s liability, public liability and professional indemnity cover are included as part of our service.

