The phrase "already established with" is correct and usable in written English.
It can be used to indicate a pre-existing relationship or agreement with someone or something.
Example: "The company is already established with several key partners in the industry."
Alternatives: "previously established with" or "already in partnership with".
Two of them – Pierre Bourdieu and Basil Bernstein – were already established with professorships.
He said: "I cherish my sound working relationship and personal friendship I have already established with your husband.
"The alignment we've already established with Mitsubishi will greatly enhance our plans to maintain Cutbank Ridge's leadership position among the most cost competitive resource plays on the continent".
This large field-based study confirmed that cereal seed coating with A. lipoferum CRT1 can enhance agronomic yield in fields as already established with this isolate and other Azospirillum isolates15, 38, 39.
She thanked Xi for the warm reception, telling him: "We have had a wonderful first day here in China". He said: "I cherish my sound working relationship and personal friendship I have already established with your husband.
"I cherish my sound working relationship and personal friendship I already established with your husband," Xi told Obama through a translator, and also noted that he and President Obama stay in close touch between phone conversations and correspondence.
It does not deal with individual microfinance customers, but has already established relationships with microfinance institutions in 20 countries and thinks the number could soon grow to 30.
In so doing they took inspiration from two already established fields with very different disciplinary patterns.
Just three years old, this festival has already established itself with strong lineups.
Be an already established artist with a huge fan base — Radiohead, R.E.M., Pearl Jam.
The bands were already established groups with extensive performing experience under their belts.
