Over £5.8bn is overpaid in UK taxes each year

Optimize your UK salary and tax to maximize take-home pay

The average UK professional overpays £3,200+ yearly in taxes. Find your perfect balance between salary sacrifice, pension contributions, and tax-free benefits.

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Every month, money is left on the table - because the UK tax system is a headache, with tax traps and benefits that are hard to find. Those childcare perks you qualified for last month? Gone. That tax relief you didn't know about? Missed. That optimal pension contribution sweet spot? A mystery.

We'll show you exactly how to optimize your salary , get an ideal pension contribution and maximize your benefits. Find the perfect balance between today's comfort and tomorrow's security. Our calculator adjusts with you throughout the year, helping you stay on track as your circumstances change. Think of us as your pocket financial advisor , but without the hefty price tag and complicated jargon.

⭐ Plan Comparison

Unlock your complete financial picture

Get family insights, save your scenarios, and track real payslips throughout the year. Most users choose Premium.

Basic

Perfect for trying out the calculator

£0/month
No credit card required
Annual salary calculator
Basic calculations only
Charts & breakdown
Visual summaries
Basic wealth planner
Session only
Public sharing
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⚠️ Nothing is saved
All data disappears when you close your browser
⭐ Most Popular

Premium

Unlock the full power of financial planning

£4/mo
billed annually
Everything in Basic, plus:
  • Payslip calculations
    Work out your exact take-home with real payslips throughout the year
  • Family wealth overview
    Add your partner and see your complete household financial picture
  • Benefits insights
    Maximize childcare allowances, tax credits, and government support
  • Save your data and payslip calculations
    Keep scenarios, calculations, and wealth plans safely stored
  • Export & share privately
    PDF reports, CSV data, and secure sharing with advisors
Choose Premium
🎯 Most popular choice
What You'll Get

Keep More of Your Money

Stop overpaying tax. Start building wealth. Get personalized recommendations that put real money back in your pocket.

More Take-Home Pay

Get the perfect salary split to maximize what hits your bank account each month.

Avoid unnecessary tax thresholds
Optimize salary vs benefits split
Reduce National Insurance payments

Perfect Pension Plan

Find your sweet spot for pension contributions that balance today's needs with tomorrow's security.

Maximize tax relief on contributions
Get the right salary sacrifice amount
Balance present vs future income

Unlock Hidden Benefits

Discover benefits and tax credits you're entitled to but might be missing out on.

Childcare support eligibility
Income-based benefits check
Tax credit opportunities

Choose Your Plan

Start with our free calculator or unlock the full power of personalized financial optimization.

Sign Up Now →
Takes 2 minutes
Completely secure
Always free to start
Real Results

What Our Users Are Saying

Join over 500 professionals who have optimized their finances and found hidden savings

Verified User
SK

Sarah K.

Senior Project Manager

"As a typical HENRY with kids, returning to work was overwhelming with tax traps and childcare benefits. BishBashDosh did the hard work, uncovering tax relief I never knew existed. Now I know I'm not going to get a nasty surprise at the end of the year — what a relief!"
Verified User
MJ

Michael J.

Software Developer

"I'd been paying higher-rate tax unnecessarily for years. BishBashDosh showed me exactly how to optimise my pension contributions, saving me over £320 every month and then helped me work out how to handle my savings"
Not a real testimonial... yet!
RR

Rachel Reeves

Chancellor of the Exchequer

"Finally, someone made sense of my own tax system! I've been trying to work out pension contributions since I got this job..."

Take-home pay optimiser

Find your ideal salary structure

Smart investment advisor

Automated guidance for your savings

Childcare benefit checker

Maximize your family benefits

Tax threshold optimiser

Navigate tax bands efficiently

Salary sacrifice planner

Optimize your compensation structure

Real payslip analysis

Use payslips for precise calculations

Partnership Opportunities

Grow Together Through Partnership

Partner with us to provide enhanced tax optimization, benefits guidance, or showcase relevant services to our engaged user base

Financial & Service Providers

Perfect for accountancy firms, pension providers, financial advisors, and service providers looking to enhance their digital offerings or promote services to our engaged audience.

  • Contextual Promotion
  • Targeted audience
  • API integration with your existing systems
  • Performance metrics

Organizations & HR

Designed for HR teams, benefits providers, and organizations looking to enhance employee financial wellbeing.

  • Employee benefits optimization platform
  • Payroll system integration
  • Custom reporting and analytics
  • Reach financially-conscious professionals

Ready to explore partnership options?

Discuss Partnership Opportunities

Bespoke packages available for organizations of all sizes

We carefully evaluate all partnerships to ensure they align with our users' best interests. All promotional content is clearly identified as such to maintain transparency and trust.