Read an all-big-brand SERP as a strategic stop sign: the query is dominated by authority and brand trust, which usually means it is not winnable head-on for a small or new site. When every result on page one is a household name, Google is telling you it rewards established authority for this intent, and out-writing those pages rarely changes the outcome because the deciding factor is not the content quality you control. The honest move is to read the signal and pick a different battle.
The reason this is a stop sign and not a challenge is that brand-dominated results reflect trust accumulated over years: links, reputation, search demand for the brand itself, and a track record Google has learned to weight. “Just make better content to beat the big brands” is the naive instinct, and it usually fails because the gap is not in the article, it is in the authority behind it. You can produce a genuinely better page and still sit on page three, because the ranking is settling a trust question your single page cannot answer.
The productive response is to pivot rather than push. Look for a longer-tail version of the query with more specific intent, a sharper angle the big brands cover only generically, a segment they treat as an afterthought, or a more current and specialized treatment than a broad brand page provides. These are entries where authority matters less and a focused, high-value page can actually compete, because the giants are not really trying there.
The one real exception is a genuinely underserved angle: if the big brands rank on authority alone while clearly missing what the searcher needs, a sharper page can break through on relevance. That is rare, so treat it as the exception, not the plan. For your next keyword, when the top results are all giants, do not draft a head-on competitor; spend that time finding the winnable longer-tail or sharper-angle entry, or move to a different query where your site can actually rank.