Ms Hemming, 31, from Milton Keynes, was last seen in Hemel Hempstead on 1 May and was reported missing two days later.
Her body was found at Toms Hill in Chandlers Cross, Hertfordshire, on Sunday.
Thames Valley Police said her next of kin had been informed and further forensic tests were ongoing.
The cause of death has yet to be confirmed.
Ms Hemming's partner Paul Hemming, 42, was charged with her murder on 6 May.
He was remanded in custody by Milton Keynes magistrates on 7 May and is next due to appear in court in July.
A body discovered in woodland has been confirmed as that of missing mother-of-three Natalie Hemming.