John Moret expressed his dismay at the stream of negative stories surrounding the Sipp market lately.
Last week the FCA sent a scathing letter to all Sipp firms warning about unacceptable failings.
This was shortly followed by the Financial Ombudsman Service upholding a complaint against a Sipp firm.
It told Berkeley Burke to compensate an investor who lost his entire pension pot after putting it into a Sipp.
Mr Moret fears that one law firm's prediction that this case could be a 'game changer' could prove true and signal the end of the Sipp market as it was initially conceived.
{desktop}{/desktop}{mobile}{/mobile}
Writing for sister news website Sipps Professional, he said: "I don't know about you but I'm becoming rather disillusioned with the Sipp market and the bad news stories that seem to be more regular and more alarming.
"I would not be surprised if a number of Sipp operators are thinking seriously about throwing in the towel concluding that the regulatory risk and worryingly the retrospective nature of that risk is now too great."
To read Mr Moret's comments in full see his blog on Sipps Professional by clicking HERE.