Umbrella Companies Explained — What Contractors Need to Know
How umbrella companies work for UK contractors, what they cost, how pay is calculated, the difference between umbrella and limited company, and what to watch out for.
·5 min read
If you’re contracting through a recruitment agency, you may need to work through an umbrella company. Here’s how they work, what they cost, and whether they’re right for you.
How an Umbrella Company Works
Step
What happens
1
You find a contract role (usually through an agency)
2
You sign up with an umbrella company as their employee
3
You do the work at the client site (or remotely)
4
You submit your timesheet to the umbrella company
5
The umbrella invoices the agency/client for your work
6
The agency pays the umbrella company
7
The umbrella deducts employer NI, employee NI, income tax, pension, and its fee
8
You receive a net PAYE salary into your bank account
How Your Pay Is Calculated
Deduction
Typical amount
Paid by
Your contract rate
e.g. £400/day
Starting point
Agency margin
Varies (deducted before you see the pay)
Agency
Assignment rate (what umbrella receives)
e.g. £350/day
This is your gross pay before deductions
Employer NI (13.8%)
Deducted from your assignment rate
Umbrella (from your gross)
Apprenticeship Levy (0.5%)
Deducted from your assignment rate
Umbrella (from your gross)
Umbrella margin/fee
£20–£35/week
Umbrella
Gross salary
What’s left after employer costs
Employee NI
8% on earnings £12,570–£50,270
You
Income tax
20% basic, 40% higher
You
Workplace pension (employee)
5% of qualifying earnings
You
Net pay
What you actually receive
Example: £400/Day Contract Rate (Inside IR35)
Item
Amount (per day)
Amount (per month, 22 days)
Assignment rate (after agency margin)
£350
£7,700
Less employer NI (13.8%)
-£43*
-£946
Less Apprenticeship Levy (0.5%)
-£1.60
-£35
Less umbrella fee
-£5.70 (£25/week)
-£108
Gross salary
~£300
~£6,611
Less income tax
-£40
-£880
Less employee NI
-£18
-£396
Less pension (5%)
-£12
-£264
Take-home pay
~£230/day
~£5,071/month
*Employer NI is calculated on the gross salary amount above the NI threshold, not the full assignment rate.
Umbrella vs Limited Company
Factor
Umbrella company
Limited company
Tax efficiency
Lower (full PAYE)
Higher (salary + dividends)
Take-home pay (approximate)
~60–65% of assignment rate
~70–80% of turnover (outside IR35)
Admin
Minimal — submit timesheets
Significant — bookkeeping, accounts, returns
Setup
Instant — sign up and start
1–2 weeks (Companies House, bank account)
Running costs
£20–£35/week umbrella fee
£80–£150/month accountant, plus insurance
IR35 inside contracts
Simple — umbrella handles everything
Taxed effectively the same as PAYE
IR35 outside contracts
Still PAYE — less tax-efficient
More tax-efficient
Employment rights
Holiday pay, SSP, pension
None — you’re a director
Holiday pay
Accrued (12.07% of pay)
No — you manage your own
Pension
Auto-enrolled
Set up your own
VAT registration
Umbrella handles it
You handle registration and returns
Professional indemnity insurance
Usually included
You arrange your own
Best for
Short contracts, inside IR35, low admin preference