Corporation tax is the route. The flat tax that it currently operates in sees tiny companies paying a much bigger slice of income relative to conglomerates which play tax avoidance. We have to raise it, to encourage investment instead of buybacks and dividends (this is usually wages, most businesses are people businesses. But could also see technology investment into automation), and close the offshoring of profits. Easier said than done, but if you operate in the UK, selling to UK customers, and pay <1% tax - looking at you Bezos, but also Asda, and Dyson, and plenty of others. You need to pony up, invest, and play on a level playing field with mom & pop