You need to provide voice over (UK),
Storyboard: every line of the script should represent visually on a series of shots that illustrate the key moments and transitions the animation will have.
Illustration: All assets and characters are digitally illustrated and rigged for animation. you should provide a few style frames before animating to ensure you nail the final look before committing to animation.
Animation: illustrations should finally brought to life using software. you should provide progress updates along the process.
Sound Design: Should provide proper sound effects
Delivery: You should deliver video in high resolution ready for web.