Affordable Employment Tax Services About emTax emTax was formed to fill a gap in the market to provide affordable representation on employment tax matters for companies of all sizes. Our expertise Our network of consultants are all ex-"Big 4" Senior Employment Taxes Managers with over a century of combined experience of negotiating with HMRC. Our philosophy To offer the same advice to employers on employment tax matters as the Big 4 accountancy firms but at a fraction of their prices.