Of course it is spreading mis/disinformation.
You claimed that there were reports that "Serco, the vast prisoner and immigrant accommodation management company would refuse to follow instructions by a Reform government".
That was not true. As such, you were spreading mis/disinformation.
You cited Zia Yusuf's Facebook page as your source. That is not a reliable source of information.
You have since stated that Serco's refusal to follow instructions from a Reform government was reported in the Telegraph. I've checked. All I could find were reports on Zia Yusuf's letter (which obviously pushed his narrative) and a report that Serco "is understood to have ruled out involvement in an ICE-style deportation campaign".
Serco has referred to inaccuracies in the Telegraph reporting, but even if it were true, a private company deciding that it would not be interested in tendering for a future contract in a hypothetical procurement exercise that a hypothetical Reform government might or might not choose to run is categorically not the same as the incumbent holder of an existing government contract to provide migrant accommodation stating that it would refuse to follow instructions from any future government.
Perhaps you have no idea how public sector procurement works in the UK, but for your information, all private companies are free to choose which tender opportunities they wish to respond to and which they do not, because they are private companies. The fact that they may hold an existing contract to provide one kind of service in relation to our immigration system does not create any obligation on them to provide other services which are outside the scope of their existing contracts.
Anyway, before you posted your mis/disinformation, you clearly did not bother checking your facts, as Serco had in fact already issued a statement clarifying its position and confirming that it does not comment on the policy programmes of political parties.
I was willing to give you the benefit of the doubt and assume that you were spreading misinformation due to ignorance/poor critical thinking skills, but the fact that you're digging in your heels on this one makes me lean more towards the view that you're deliberately spreading disinformation.