- Adoption Search Reunion
A website to use if you’re trying to make contact with a birth or adopted relative. You can also research adoptions for family history and genealogy. - Barnardo’s Family History Service
Barnado’s has a paid family history research service that costs £25 to find out if someone was a Barnado’s child. If a deceased relative or loved was at Barnado’s, a further service can be purchased to reveal the full history of the child. There is also an option to purchase a photo of the child and the home where he/she lived. They have an archive of over 500,000 images. - Adoption Records UK
The official UK government website for searching for and contacting adopted relatives. You can also obtain official certificates if you were adopted.