If your Magento 1 store is really performing well, all the security patches, feature patches etc installed then you do not need to be in hurry. Contact us to help you on this to make an execution plan for your Magento 1 to Magento 2 migration plan.
If your Magento 1 store is highly customized with features and functionalities, your design theme is very custom and you have dozens of different extensions installed, it will be a very big challenge for everyone to give you the exact store on Magento 2. Sometime migration really breaks everything in store whether it is data, extensions data, extensions or designs. Our experienced team of developers will do their best to match the business logic and designs, you have on your Magento 1 and try to make it on Magento 2 as much as possible.