2026 / 27 Tax Year
IR35 Take-Home Calculator
for SQL / Database Developers
SQL developers and database architects contracting in financial services, retail, and enterprise IT often command strong day rates. IR35 status in database roles depends on technical independence and deliverable ownership. See your 2026/27 take-home here.
Outside IR35
Limited Company
£0
£0/day effective
Contract income£0
Corp tax-£0
Dividend tax-£0
Income tax-£0
Empl. NI-£0
Net take-home£0
Effective rate0%
Inside IR35
Umbrella Company
£0
£0/day effective
Contract income£0
Employer NI (15%)-£0
Income tax-£0
Employee NI-£0
Net take-home£0
Effective rate0%
A specialist sql / database developer accountant typically saves far more than they cost. Compare contractor accountants and IR35 insurance.
Get an IR35 review →
2026/27 rates. Personal allowance £12,570. Basic rate 20% to £50,270, higher rate 40% to £125,140. Employee NI 8%/2%. Employer NI 15% above £5,000. Corp tax 19%/25% with marginal relief. Dividend allowance £500, dividend rates 8.75%/33.75%/39.35%. Estimates only — not tax advice. Consult a qualified contractor accountant.