Speaking to BBC Sport, FA chief Bullingham said: "She’s an incredible person, incredible coach and incredible leader. We’re very lucky to have her, proud to have her as part of the team, and obviously she will be working with us for the World Cup."
Regarding potential contract talks, he added: "It’s a bit early for that. We are delighted she is with us for the World Cup, and we will have that conversation at an appropriate time.
"She is an incredible manager, and we’re delighted to be working with her, so that has to be up to her. We will have those conversations when they’re ready to go."
When asked if it may be difficult to convince Wiegman to stay with England before the Euro final, Bullingham added: "Not hard at all. We are committed to her until 2027, and she is committed to us. We have a new [coaching] team coming in for her.
"We haven’t quite started working on the plans for [the 2027 World Cup], but I know her focus, hopefully after success on Sunday, will shift quite quickly to that."