Milton Keynes is a thriving city in the United Kingdom and is home to a number of financial services firms. The city has a diverse economy and a growing population, which has contributed to the growth of the financial services sector in the area.

Some of the major financial services companies that have a presence in Milton Keynes include Santander UK, Nationwide Building Society, and Metro Bank. These companies offer a range of financial products and services, including banking, mortgages, loans, and insurance.

In addition to these large institutions, there are also a number of smaller financial services companies in Milton Keynes that specialize in areas such as financial planning, investment management, and accounting.

The city is also home to a number of financial technology (fintech) companies, which are playing an increasingly important role in the financial services industry. These companies are using technology to create innovative products and services, such as mobile banking apps, online investment platforms, and peer-to-peer lending platforms.

Overall, the financial services sector in Milton Keynes is a key driver of the city's economy with over 14,000 people employed here already it is only expected to continue to grow in the coming years.