Calculators, checklists, and answers.
We built these because we kept answering the same questions. Salary splits, IR35 status, VAT thresholds, SRT day counts. Spreadsheets work too — these are just easier.
Pick the question. Pick the tool.
"I'm working out my salary/dividend split…"
Salary & Dividend Calculator"I'm checking my agency's financial health…"
Profitability Calculator"I'm worried about IR35 for my contractors…"
IR35 Status Checker"I'm planning for VAT registration…"
VAT Registration Calculator"I'm a UK expat checking residence status…"
SRT Day Counter"I'm estimating R&D tax credits…"
R&D Tax Credit Calculator"I'm checking my cash runway…"
Runway Calculator"I need every UK tax deadline in one place…"
Tax Deadlines CalendarCalculators & guides.
Built by chartered accountants. Specific to UK agencies. Updated for 2026/27.
Salary & Dividend Calculator
The optimal salary and dividend split for the 2025/26 and 2026/27 tax years, in under three minutes.
- Personal & corporation tax
- National Insurance calculations
- Dividend tax optimisation
R&D Tax Credit Estimator
See how much R&D tax relief your agency could claim for innovation and custom development work.
- Agency-specific presets
- Qualifying activities checker
- SME scheme calculations
Agency Profitability Calculator
Analyse your agency's margins and compare against industry benchmarks.
- Utilisation & margin metrics
- Industry benchmarks
- Break-even analysis
Agency Runway Calculator
Calculate how many months of cash runway your agency has with scenario modelling.
- 3-scenario modelling
- Burn rate analysis
- Invoice timing insights
IR35 Status Checker
Assess your IR35 status based on HMRC CEST factors with instant analysis.
- HMRC CEST-based questions
- Category-by-category breakdown
- Risk factor analysis
VAT Registration Calculator
Check whether you're approaching the £90,000 VAT threshold and when to register.
- Rolling 12-month tracker
- Stagger group reference
- MTD compliance check
SRT Day Counter
Count your UK days against the Statutory Residence Test thresholds and tie-tests.
- Day count by tax year
- Automatic & ties tests
- UK property + work flags
Agency Cash Flow Survival Guide
A playbook for fixing agency cash flow: 14-day recovery plan, collection scripts, and a rolling 90-day forecast template.
- Emergency cash flow assessment
- Payment collection strategies
- 14-day recovery action plan
UK Expat Tax Checklist for Dubai
Free checklist for UK nationals in the UAE. Statutory Residence Test, P85, post-non-dom rules, and CFC.
- Pre-departure HMRC steps
- SRT day counting rules
- UK rental income treatment
Content Creator Tax Checklist
HMRC Self Assessment checklist for UK creators on YouTube, TikTok, Patreon, and OnlyFans.
- Income tracking essentials
- Allowable expenses
- Platform reporting (DAC7)
UK Agency Tax Calendar 2026/27
Every HMRC, Companies House, VAT, and payroll deadline for UK agency directors in one place.
- April 2026 to March 2027 dates
- Colour-coded by deadline type
- 2026/27 rates reference
Want to talk through the numbers?
Book a free 15-minute call with a chartered accountant who already understands agencies.
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