No claims bonuses accrued through riding a company motorbike normally won't be valid if you change to private insurance. You may however still recieve some sort of discount as a safe rider.
Normall you cannot build up any No Claims Bonus by being a named rider on someone else's policy. However there are car insurance polices where this now may be possible. Check to see if these benefits are yet to be applied to the motorcyle insurance market.
Motorcycle insurance can be a huge expense for riders, especially if you are a new rider or have a powerful of expensive machine. Use our site to compare quotes to make sure you're not paying too much for your motorbike insurance choice insurance quote. But remember, when buying a machine, to always buget for being insured.