The Financial Conduct Authority (FCA) has fined Chase de Vere Independent Financial Advisers £560,000 for failures surrounding the sale of Keydata products.
HSBC has vowed to fight a $250m (£151m) lawsuit brought against it over its alleged involvement in the Keydata scandal.
The Whitechurch Network spent more than £704,000 in 2013 settling claims related to advice given by its appointed representatives on Keydata and Arch cru.
Another Keydata adviser has been declared in default by the Financial Services Compensation scheme (FSCS), as it published a new list of 28 advice firms unable to meet claims against them.
The former boss of failed investment firm Keydata is suing the regulator for £371m, accusing it of a "politically motivated" abuse of power.
The first significant lawsuit from the Keydata scandal has been issued against US-based brokerage CRT Capital, according to the Financial Times.
Financial Services Compensation Scheme (FSCS) chief executive Mark Neale has said next year the service hopes to be able to publish a full account of what it has clawed back from firms who mis-sold Keydata products.
The Financial Services Compensation Scheme (FSCS) has made top-up payments to Keydata investors after it recovered money from the underlying bond Lifemark's trustees.
A group of Lifemark-backed Keydata bond investors are renewing their efforts to organise a public inquiry into the collapse of the investment scheme nearly five years ago, by lobbying their MPs to act.
Sesame, the adviser network arm of Sesame Bankhall group, has reported a loss for 2012 of £9.3m - four times its losses in 2011 - as a provision for a regulatory fine took its toll.