Walked in one day with a notice of termination and asked to leave to the office for invalid reasons that are not justified other than not a culture fit

Thanks for writing to us. Given what you have provided, it is clear that you have been wrongfully dismissed and you are owed severance. I would encourage you to visit the severance pay calculator our firm has developed (www.SeverancePayCalculator.com). I would also encourage you to call us and set up a consultation with one of our employment lawyers.