JSFiddle - React, Tailwind, and code Playground

JavaScript

const arr = [
    {
        "Company": "IBM"
    },
    {
        "Person": "ACORD LOMA"
    },
    {
        "Company": "IBM"
    },
    {
        "Company": "MSFT"
    },
    {
        "Place": "New York"
    }
];
let set = new Set;
let res = arr.filter(x => {
  const str = JSON.stringify(x);
  return !set.has(str) && set.add(str);
});
console.log(res);