{
    "last_updated": "2026-09-05",
    "published_at": "2026-09-06",
    "methodology_url": "https://bluejayaccountants.co.uk/research/owner-manager-tax-index/#methodology",
    "assumptions": {
        "jurisdiction": "Tax calculations use England, Wales and Northern Ireland Income Tax rates. Scottish Income Tax is not included in this edition.",
        "tax_years": [
            "2025/26",
            "2026/27"
        ],
        "business_profit_basis": "annual taxable business profit before owner salary, employer National Insurance, dividends or pension contributions",
        "profit_range": {
            "minimum": 20000,
            "maximum": 300000,
            "step": 5000
        },
        "headline_public_profit_points": [
            30000,
            50000,
            75000,
            100000,
            150000,
            250000
        ],
        "shareholders": 1,
        "directors": 1,
        "other_personal_income": 0,
        "student_loan": "none",
        "associated_companies": 0,
        "admin_costs": 0,
        "accountancy_costs": 0,
        "employment_allowance_baseline": "not eligible",
        "employment_allowance_comparison": "Only the separate Employment Allowance comparison assumes eligibility and the full allowance available against the director salary.",
        "class_2_national_insurance": "No compulsory Class 2 payment arises at the profits covered. Sole traders pay Class 4 National Insurance.",
        "sole_trader_scenario": "all business profit taxed on the individual as non-dividend income",
        "limited_company_full_extraction_scenario": "director salary is set at the personal allowance where fundable, then all post-Corporation Tax distributable profit is paid as dividend",
        "current_cash_maximising_definition": "The salary and dividend combination giving the most personal cash: salary plus dividend, less Income Tax, dividend tax and employee National Insurance. Salaries run in whole pounds from zero to the largest amount the company can fund after employer National Insurance and any pension contribution. All current-year distributable profit is paid as dividends. Equal cash results select the lower salary.",
        "salary_increment": 1,
        "personal_allowance_allocation": "Most beneficial allocation between salary and dividends under ITA 2007 section 25 for both tax years.",
        "employment_allowance": false,
        "other_income": 0,
        "director_national_insurance": "Category A, full-year director, annual earnings basis; below State Pension age; no minimum-wage employment contract assumed.",
        "company_accounting_period": "12 months aligned with tax year; no losses, exempt distributions, brought-forward reserves or associated companies.",
        "dividend_funding": "Current-year distributable profit only; no brought-forward reserves.",
        "tax_timing": "Annual liabilities, ignoring payment dates, payments on account and payroll rounding by pay period.",
        "inflation_adjustment": "None; nominal pounds at the same business profit in both years.",
        "limited_company_retained_profit_scenario": "director salary is set at the personal allowance where fundable, no dividend is paid, and post-Corporation Tax profit is retained in the company",
        "limited_company_employer_pension_scenario": "The company pays GBP 20,000 into the owner pension where fundable, then uses the salary giving the most personal cash and pays all remaining distributable profit as dividends.",
        "pension_annual_allowance": 60000,
        "pension_individual_restrictions": "Assume sufficient annual allowance, no other pension input and no money purchase annual allowance. No carry-forward, investment return or withdrawal tax is calculated.",
        "pension_tax_treatment": "employer pension contributions reduce company taxable profit; later personal tax on pension withdrawals is outside this model",
        "rounding": "Money amounts are rounded to two decimals. The effective tax rate is total tax and National Insurance divided by business profit, expressed as a proportion rounded to six decimals.",
        "accountancy_and_administration_costs": "The comparison excludes accountancy and administration costs. Any additional cost of running a company compared with operating as a sole trader would reduce its cash advantage."
    },
    "sources": [
        {
            "name": "GOV.UK Income Tax rates and allowances for current and previous tax years",
            "url": "https://www.gov.uk/government/publications/rates-and-allowances-income-tax/income-tax-rates-and-allowances-current-and-past",
            "used_for": "personal allowance, England/Wales/Northern Ireland income tax bands, dividend allowance and dividend tax rates"
        },
        {
            "name": "GOV.UK Rates and allowances: National Insurance contributions",
            "url": "https://www.gov.uk/government/publications/rates-and-allowances-national-insurance-contributions/rates-and-allowances-national-insurance-contributions",
            "used_for": "employee National Insurance, employer National Insurance, Employment Allowance and Class 4 National Insurance"
        },
        {
            "name": "GOV.UK Corporation Tax rates and allowances",
            "url": "https://www.gov.uk/government/publications/rates-and-allowances-corporation-tax/rates-and-allowances-corporation-tax",
            "used_for": "Corporation Tax small profits rate, main rate, marginal relief limits and standard fraction"
        },
        {
            "name": "HMRC: allocation of personal allowances",
            "url": "https://www.gov.uk/hmrc-internal-manuals/savings-and-investment-manual/saim1090",
            "used_for": "Most beneficial allocation of Personal Allowance; dividends taxed above salary."
        },
        {
            "name": "GOV.UK: National Insurance for company directors",
            "url": "https://www.gov.uk/employee-directors",
            "used_for": "Annual earnings basis for a director appointed for the full tax year."
        },
        {
            "name": "GOV.UK: Employment Allowance eligibility",
            "url": "https://www.gov.uk/claim-employment-allowance/eligibility",
            "used_for": "Single-director exclusion and the separate eligibility comparison."
        },
        {
            "name": "GOV.UK: pension annual allowance",
            "url": "https://www.gov.uk/tax-on-your-private-pension/annual-allowance",
            "used_for": "Employer contributions count towards pension allowances; individual restrictions apply."
        },
        {
            "name": "GOV.UK: employer rates and thresholds 2025/26",
            "url": "https://www.gov.uk/guidance/rates-and-thresholds-for-employers-2025-to-2026",
            "used_for": "Annual Class 1 thresholds, category A rates and Employment Allowance."
        },
        {
            "name": "GOV.UK: employer rates and thresholds 2026/27",
            "url": "https://www.gov.uk/guidance/rates-and-thresholds-for-employers-2026-to-2027",
            "used_for": "Annual Class 1 thresholds, category A rates and Employment Allowance."
        }
    ],
    "fields": [
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        "business_profit",
        "structure",
        "scenario",
        "salary",
        "employer_ni",
        "corporation_tax",
        "dividend",
        "dividend_tax",
        "income_tax",
        "employee_ni",
        "self_employed_ni",
        "pension",
        "retained_profit",
        "personal_cash",
        "total_tax",
        "effective_tax_rate"
    ],
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            "structure": "sole_trader",
            "scenario": "baseline",
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            "self_employed_ni": 445.8,
            "pension": 0,
            "retained_profit": 0,
            "personal_cash": 18068.2,
            "total_tax": 1931.8,
            "effective_tax_rate": 0.09659
        },
        {
            "tax_year": "2025/26",
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            "structure": "limited_company",
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            "personal_cash": 17266.17,
            "total_tax": 2733.83,
            "effective_tax_rate": 0.136692
        },
        {
            "tax_year": "2025/26",
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            "structure": "limited_company",
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            "effective_tax_rate": 0.136692
        },
        {
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            "effective_tax_rate": 0.116573
        },
        {
            "tax_year": "2025/26",
            "business_profit": 20000,
            "structure": "limited_company",
            "scenario": "employer_pension",
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            "employer_ni": 0,
            "corporation_tax": 0,
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            "pension": 20000,
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            "effective_tax_rate": 0
        },
        {
            "tax_year": "2025/26",
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            "structure": "limited_company",
            "scenario": "current_cash_max_with_employment_allowance",
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            "effective_tax_rate": 0.094727
        },
        {
            "tax_year": "2025/26",
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            "effective_tax_rate": 0.129272
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        {
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            "total_tax": 4038.2,
            "effective_tax_rate": 0.161528
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        {
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            "effective_tax_rate": 0.131258
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            "retained_profit": 0,
            "personal_cash": 168890.4,
            "total_tax": 126109.6,
            "effective_tax_rate": 0.42749
        },
        {
            "tax_year": "2026/27",
            "business_profit": 295000,
            "structure": "limited_company",
            "scenario": "full_extraction",
            "salary": 12570,
            "employer_ni": 1135.5,
            "corporation_tax": 70323.63,
            "dividend": 210970.88,
            "dividend_tax": 72628.27,
            "income_tax": 2514,
            "employee_ni": 0,
            "self_employed_ni": 0,
            "pension": 0,
            "retained_profit": 0,
            "personal_cash": 148398.61,
            "total_tax": 146601.39,
            "effective_tax_rate": 0.496954
        },
        {
            "tax_year": "2026/27",
            "business_profit": 295000,
            "structure": "limited_company",
            "scenario": "current_cash_max",
            "salary": 213695,
            "employer_ni": 31304.25,
            "corporation_tax": 9500.2,
            "dividend": 40500.55,
            "dividend_tax": 15740.22,
            "income_tax": 82365.75,
            "employee_ni": 6284.5,
            "self_employed_ni": 0,
            "pension": 0,
            "retained_profit": 0,
            "personal_cash": 149805.08,
            "total_tax": 145194.92,
            "effective_tax_rate": 0.492186
        },
        {
            "tax_year": "2026/27",
            "business_profit": 295000,
            "structure": "limited_company",
            "scenario": "retained_profit",
            "salary": 12570,
            "employer_ni": 1135.5,
            "corporation_tax": 70323.63,
            "dividend": 0,
            "dividend_tax": 0,
            "income_tax": 0,
            "employee_ni": 0,
            "self_employed_ni": 0,
            "pension": 0,
            "retained_profit": 210970.88,
            "personal_cash": 12570,
            "total_tax": 71459.13,
            "effective_tax_rate": 0.242234
        },
        {
            "tax_year": "2026/27",
            "business_profit": 295000,
            "structure": "limited_company",
            "scenario": "employer_pension",
            "salary": 196304,
            "employer_ni": 28695.6,
            "corporation_tax": 9500.11,
            "dividend": 40500.29,
            "dividend_tax": 15740.12,
            "income_tax": 74539.8,
            "employee_ni": 5936.68,
            "self_employed_ni": 0,
            "pension": 20000,
            "retained_profit": 0,
            "personal_cash": 140587.7,
            "total_tax": 134412.3,
            "effective_tax_rate": 0.455635
        },
        {
            "tax_year": "2026/27",
            "business_profit": 295000,
            "structure": "limited_company",
            "scenario": "current_cash_max_with_employment_allowance",
            "salary": 222826,
            "employer_ni": 22173.9,
            "corporation_tax": 9500.03,
            "dividend": 40500.07,
            "dividend_tax": 15740.03,
            "income_tax": 86474.7,
            "employee_ni": 6467.12,
            "self_employed_ni": 0,
            "pension": 0,
            "retained_profit": 0,
            "personal_cash": 154644.22,
            "total_tax": 140355.78,
            "effective_tax_rate": 0.475782
        },
        {
            "tax_year": "2026/27",
            "business_profit": 300000,
            "structure": "sole_trader",
            "scenario": "baseline",
            "salary": 0,
            "employer_ni": 0,
            "corporation_tax": 0,
            "dividend": 0,
            "dividend_tax": 0,
            "income_tax": 121203,
            "employee_ni": 0,
            "self_employed_ni": 7256.6,
            "pension": 0,
            "retained_profit": 0,
            "personal_cash": 171540.4,
            "total_tax": 128459.6,
            "effective_tax_rate": 0.428199
        },
        {
            "tax_year": "2026/27",
            "business_profit": 300000,
            "structure": "limited_company",
            "scenario": "full_extraction",
            "salary": 12570,
            "employer_ni": 1135.5,
            "corporation_tax": 71573.63,
            "dividend": 214720.88,
            "dividend_tax": 74103.89,
            "income_tax": 2514,
            "employee_ni": 0,
            "self_employed_ni": 0,
            "pension": 0,
            "retained_profit": 0,
            "personal_cash": 150672.98,
            "total_tax": 149327.02,
            "effective_tax_rate": 0.497757
        },
        {
            "tax_year": "2026/27",
            "business_profit": 300000,
            "structure": "limited_company",
            "scenario": "current_cash_max",
            "salary": 218043,
            "employer_ni": 31956.45,
            "corporation_tax": 9500.15,
            "dividend": 40500.4,
            "dividend_tax": 15740.16,
            "income_tax": 84322.35,
            "employee_ni": 6371.46,
            "self_employed_ni": 0,
            "pension": 0,
            "retained_profit": 0,
            "personal_cash": 152109.44,
            "total_tax": 147890.56,
            "effective_tax_rate": 0.492969
        },
        {
            "tax_year": "2026/27",
            "business_profit": 300000,
            "structure": "limited_company",
            "scenario": "retained_profit",
            "salary": 12570,
            "employer_ni": 1135.5,
            "corporation_tax": 71573.63,
            "dividend": 0,
            "dividend_tax": 0,
            "income_tax": 0,
            "employee_ni": 0,
            "self_employed_ni": 0,
            "pension": 0,
            "retained_profit": 214720.88,
            "personal_cash": 12570,
            "total_tax": 72709.13,
            "effective_tax_rate": 0.242364
        },
        {
            "tax_year": "2026/27",
            "business_profit": 300000,
            "structure": "limited_company",
            "scenario": "employer_pension",
            "salary": 200652,
            "employer_ni": 29347.8,
            "corporation_tax": 9500.05,
            "dividend": 40500.15,
            "dividend_tax": 15740.06,
            "income_tax": 76496.4,
            "employee_ni": 6023.64,
            "self_employed_ni": 0,
            "pension": 20000,
            "retained_profit": 0,
            "personal_cash": 142892.05,
            "total_tax": 137107.95,
            "effective_tax_rate": 0.457027
        },
        {
            "tax_year": "2026/27",
            "business_profit": 300000,
            "structure": "limited_company",
            "scenario": "current_cash_max_with_employment_allowance",
            "salary": 227174,
            "employer_ni": 22826.1,
            "corporation_tax": 9499.98,
            "dividend": 40499.92,
            "dividend_tax": 15739.97,
            "income_tax": 88431.3,
            "employee_ni": 6554.08,
            "self_employed_ni": 0,
            "pension": 0,
            "retained_profit": 0,
            "personal_cash": 156948.57,
            "total_tax": 143051.43,
            "effective_tax_rate": 0.476838
        }
    ],
    "validation": {
        "approach": "Every published result was independently cross-checked against a separately built calculation model. The checks cover each tax, the salary giving the most cash, and the reconciliation of business profit to personal cash, profit left in the company, pension contributions and tax.",
        "salary_choices": "For each published company comparison that varies salary, the separate model checks every whole-pound salary the company can fund, after employer National Insurance and any pension payment. All remaining distributable profit is paid as dividends. Equal cash results select the lower salary.",
        "profit_coverage": "Sole trader and company cash were compared from \u00a320,000 to \u00a3300,000 profit at \u00a31 intervals. Separate calculations checked every \u00a31 of profit from \u00a358,000 to \u00a363,000, including the crossover points and maximum company advantage, as well as selected profits around other tax thresholds.",
        "precision": "The comparison covers whole-pound profits and salaries, not every possible penny. Calculations retain precision until each amount is rounded to two decimals. Headline tables round to whole pounds; differences are calculated before display rounding.",
        "review_limit": "These are calculation checks carried out by Blue Jay, not an external professional review."
    },
    "edition": "6 September 2026",
    "edition_status": "Current edition",
    "prepared_by": "Blue Jay Accountants Limited",
    "technical_lead": "Brady Jackson ACMA, CGMA",
    "technical_lead_designation": "CIMA Chartered Management Accountant",
    "date_modified": "2026-09-06",
    "corrections_policy": "If we identify a material error after publication, we will correct the affected figures, explain what changed and retain enough edition information for previous citations to be understood.",
    "crossover_checks": {
        "description": "Selected whole-pound profits at the boundaries and maximum of the company personal cash advantage, under the main comparison assumptions. A positive difference means more personal cash through the company. Differences are rounded to two decimals after calculation.",
        "field_labels": {
            "tax_year": "Tax year",
            "business_profit": "Business profit before paying the owner (GBP)",
            "sole_trader_personal_cash": "Sole trader personal cash (GBP)",
            "company_personal_cash": "Company personal cash (GBP)",
            "company_minus_sole_trader": "Company minus sole trader personal cash (GBP)",
            "salary": "Director salary used (GBP)"
        },
        "rows": [
            {
                "tax_year": "2026/27",
                "business_profit": 60141,
                "sole_trader_personal_cash": 46193.18,
                "company_personal_cash": 46193.13,
                "company_minus_sole_trader": -0.05,
                "salary": 12570
            },
            {
                "tax_year": "2026/27",
                "business_profit": 60142,
                "sole_trader_personal_cash": 46193.76,
                "company_personal_cash": 46193.86,
                "company_minus_sole_trader": 0.1,
                "salary": 12570
            },
            {
                "tax_year": "2026/27",
                "business_profit": 60249,
                "sole_trader_personal_cash": 46255.82,
                "company_personal_cash": 46271.15,
                "company_minus_sole_trader": 15.33,
                "salary": 12570
            },
            {
                "tax_year": "2026/27",
                "business_profit": 60506,
                "sole_trader_personal_cash": 46404.88,
                "company_personal_cash": 46404.9,
                "company_minus_sole_trader": 0.02,
                "salary": 12570
            },
            {
                "tax_year": "2026/27",
                "business_profit": 60507,
                "sole_trader_personal_cash": 46405.46,
                "company_personal_cash": 46405.42,
                "company_minus_sole_trader": -0.04,
                "salary": 12570
            }
        ]
    },
    "field_labels": {
        "tax_year": "Tax year",
        "business_profit": "Business profit before owner pay (GBP)",
        "structure": "Business structure",
        "scenario": "Comparison",
        "salary": "Director salary (GBP)",
        "employer_ni": "Employer National Insurance (GBP)",
        "corporation_tax": "Corporation Tax (GBP)",
        "dividend": "Dividend before personal tax (GBP)",
        "dividend_tax": "Dividend tax (GBP)",
        "income_tax": "Income Tax on profit or salary (GBP)",
        "employee_ni": "Employee National Insurance (GBP)",
        "self_employed_ni": "Self-employed National Insurance (GBP)",
        "pension": "Company pension contribution (GBP)",
        "retained_profit": "Profit left in company (GBP)",
        "personal_cash": "Cash owner keeps (GBP)",
        "total_tax": "Total tax and National Insurance (GBP)",
        "effective_tax_rate": "Effective tax rate (proportion)"
    },
    "comparison_labels": {
        "baseline": "Sole trader",
        "full_extraction": "Company using a \u00a312,570 salary",
        "current_cash_max": "Most cash through a company",
        "retained_profit": "Profit left in the company",
        "employer_pension": "Company pays \u00a320,000 into a pension",
        "current_cash_max_with_employment_allowance": "Company with Employment Allowance"
    }
}