It depends. Many recruiters skim or skip them when volume is high. But when the decision is close between two candidates, a strong cover letter can be the tiebreaker. For competitive roles, it is always worth writing a real one.
The Cover Letter Structure That Works
How to Write Each Section
Write a First Line That Is Not Boring
Do not start with "I am writing to express my interest in the position of..." Every other cover letter starts that way. Open with your strongest qualifier or a specific reason you want this role.
Example: "After three years building demand generation programs at a Series B SaaS company, I have been looking for a role where I can scale what I built — and the Head of Growth position at Acme is exactly that."
Lead With a Specific Accomplishment
Your first body paragraph should answer the question: what have you done that proves you can do this job? Pick your single most relevant achievement and make it concrete. Numbers make it real.
"In my current role, I reduced customer onboarding time by 40% by redesigning our welcome email sequence and live chat handoff process" is a paragraph worth reading. "I am a detail-oriented team player with strong communication skills" is not.
Say Something Specific About the Company
This is the paragraph most candidates skip or fake. Spend five minutes researching the company — their product, a recent blog post, their stated mission, something a founder said in an interview. Reference it directly.
Generic: "I admire your company's commitment to innovation." Specific: "Your recent expansion into healthcare billing automation is exactly the space I have been following — my last two years were spent building compliance workflows in a similar regulatory environment."
Keep the Whole Thing Under 350 Words
A cover letter is not a second resume. It is a targeted argument for why you are the right person for this specific role. Long cover letters do not get read — they get closed. Say what you need to say and stop.
Match the Tone to the Company
A cover letter for a law firm and a cover letter for a 10-person startup should sound different. Read the job posting carefully — the language employers use tells you a lot about their culture. Mirror it.
Formal posting, formal tone. Casual posting with emojis and personality, loosen up a little. This is one of the simplest things you can do to make a cover letter feel like it belongs with the application.
Tailor It Every Time
A copy-paste cover letter is obvious and ineffective. The minimum required customization: the company name, the role title, one specific accomplishment relevant to this posting, and one sentence about why this company specifically.
That is maybe 10 minutes of work per application. For roles you actually want, it is always worth it.
Do not repeat your entire resume in prose form. Do not explain gaps or weaknesses unprompted. Do not address it "To Whom It May Concern" if you can find a name. Do not end with "I look forward to hearing from you at your earliest convenience" — it sounds like a form letter because it is.
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