AJ Bell is a British public limited company that provides online investment platforms and stockbroker services. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

Alpaca is a commission-free API-first brokerage servicing the USA and beyond.

Binance Holdings Ltd., branded as Binance, is a global company operating the world's largest cryptocurrency exchange by daily trading volume.

BUX is an online brokerage, headquartered in Amsterdam, the Netherlands.

JPMorgan Chase Bank, N.A., doing business as Chase, is an American national bank headquartered in New York City.

Coinbase is the largest cryptocurrency exchange in the United States in terms of trading volume.

Commonwealth Securities Limited, or CommSec, is Australia's largest online stockbroking firm. It is a subsidiary of the Commonwealth Bank.

E*TRADE Financial Corporation is a financial services company, headquartered in Arlington, Virginia.

Empower Annuity Insurance Company of America is a retirement plan record-keeping financial holding company based in Greenwood Village, Colorado, United States. It is the second-largest retirement plan provider in the United States.

Headquartered in Boston, Fidelity serves its customers through 216 Investor Centers in the U.S. and 14 regional sites across the globe, including India and Ireland.

Interactive Brokers, Inc., headquartered in Greenwich, Connecticut, is an American multinational brokerage firm. It operates the largest electronic trading platform in the United States by number of daily average revenue trades.

Kraken is a United States–based cryptocurrency exchange, founded in 2011.

Public is an investing platform that offers fractional investing in stocks, exchange-traded funds (ETFs), cryptocurrencies, and alternative assets. The company was launched in 2019 by Leif Abraham and Jannick Malling and is headquartered in New York City.

Questrade is an online brokerage firm and wealth management firm, headquartered in Toronto, Canada.

Robinhood Markets, Inc. is an American financial services company headquartered in Menlo Park, California.