[7] In 1993, IG Group expanded into spread betting on sports events, and in 1996, it started offering foreign exchange trading.

[12] In April 2005, IG Group returned to the stock market with a valuation of £1.3 billion, and CVC sold off £58 million worth of shares.

[13] The company continued its global expansion, entering the United States market in 2007 with the £2.9 million purchase of HedgeStreet, an online derivatives trading platform,[14] later rebranded as Nadex.

The company also shut down its sports betting service, extrabet, due to declining revenues, incurring £5.3 million in closure costs.

[19] However, the same year, IG Group's shares fell 38% following the Financial Conduct Authority's (FCA) announcement of new industry regulations, wiping £1 billion off the company's market value.

As part of this initiative, the company established a £2 million fund to support education and development programs for young people, particularly in response to the impact of the COVID-19 pandemic.

[25][26][27] In January 2021, IG Group acquired Chicago-based online brokerage Tastytrade for $1 billion, enhancing its offerings for retail investors.

[33] By the end of the 2024 fiscal year, pre-tax profits had fallen by 11%, annual revenue had dropped by 10%, and the number of active clients had decreased from 358,000 to 346,200.

[36][37] IG Group is headquartered in London,[38][39][40][41][42] and operates in multiple regions, including the United States, European Union, Australia, Singapore, South Africa, Switzerland, Japan, and Dubai.

[46] IG Group offers a range of leveraged and investment products, varying by region due to differing national regulations.

[47] In EU, the company provides turbo warrants,[47] while in the United States, through its acquisition of tastytrade, it offers options, futures, and cryptocurrency trading tailored to individual investors.

FinanceFeeds also reported that during a significant outage in January 2021, IG Group did not provide adequate customer support, although it responded promptly to media inquiries to address public concerns.

IG delayed its response by 10 minutes, attempting to hedge its own exposure while competitors acted immediately to protect their clients.

In May 2023, the law firm Piper Alderman filed a class-action lawsuit against IG Markets, accusing the company of promoting Contracts for Difference (CFDs) to inexperienced traders without proper safeguards.