Lifestyle Photo shoot with kids for a London toy brand

I'm a solo-mumpreneur and founder of One Dear World, a London-based toy startup that produces multicultural rag dolls and storybook to promote diversity. I launched the business last year through a successful crowdfunding campaign and it was recently featured on BBC at https://bbc.co.uk/news/av/education-44703288/the-racially-diverse-dolls-that-look-like-me
Being a small startup, I have been doing all the creatives by myself, but as the sales slowly picks up, I'd like to engage with a professional photographer.

I'm planning to have an outdoor lifestyle photo shoot with children (age 1-5) at Greenwich Park for one morning in the last weekend of August (potentially on 25 Aug) to have a stock of photos for website and social media use, so I'm looking for local photographer who has experience working with children.

Previous photo shoot was done by friend and you can find the sample here: https://drive.google.com/open?id=0B8g1jjNi0_U_Tzh4ZFZ4MHg4aG8

You can find information of my company at www.onedearworld.com. If you're interested in this project, please kindly let me know if you have done any kids related project before and any portfolio would be appreciated.

Thanks and I'm looking forward to working with you.

Best wishes,
Winnie