Write a great cover letter

A good cover letter does three things: shows you can do the job, shows you want THIS specific job, and proves you can communicate clearly. You do not need to be a brilliant writer. You just need to be clear, relevant, and genuine.

Professional writing a cover letter on laptop

Do you actually need a cover letter?

Let's start with some honesty. Not every job application needs a cover letter, and some employers do not read them at all. Here is when they matter most.

✅ Essential

  • When the job posting asks for one
  • Senior or specialized roles
  • Career changes or gaps to explain
  • Competitive roles where you need every edge
  • Small companies or direct applications

⚠️ Optional but helpful

  • Large company online applications
  • When you have a strong personal connection to the company
  • When you can add something meaningful not on your CV
  • Graduate roles where everyone has similar CVs

➖ Probably skip it

  • Quick-apply systems (LinkedIn Easy Apply)
  • Retail or hospitality roles unless specified
  • Internal applications where they know you
  • When you are sending 50+ applications a week
The practical rule:

If you are applying for fewer than 10 carefully chosen roles, write cover letters. If you are applying to 50 roles to get interviews, focus your time on tailoring your CV instead. Quality over quantity applies to both approaches.

What a cover letter actually does

Your CV lists your experience and qualifications. Your cover letter connects the dots and tells the story. It shows why your experience is relevant to THIS specific job and why you want to work for THIS specific company.

What a cover letter is NOT

  • A repeat of your CV in paragraph form
  • Your full life story
  • A list of every skill you have ever had
  • An essay about why you need a job
  • A creative writing exercise

What a good cover letter IS

  • A targeted argument for why you are a good fit for this specific role
  • Evidence that you have researched the company and role
  • A demonstration of your communication skills
  • A way to address anything unusual (career change, gap, relocation)
  • A chance to show some personality within professional boundaries
Think of it like this:

Your CV is the facts. Your cover letter is the sales pitch. Your CV proves you CAN do the job. Your cover letter proves you WANT to do THIS job.

The 3-question framework

Every strong cover letter answers three questions clearly. Structure your letter around these and you will not go wrong.

Question 1: Can you do the job?

Provide specific evidence that you have the skills and experience they need. Connect your past work to their requirements. Use examples, not just claims.

Question 2: Do you want THIS specific job (not just any job)?

Show you have researched the company. Explain why this role interests you specifically. What about this company, team, or mission appeals to you? Generic cover letters fail here.

Question 3: Can you communicate professionally?

Your cover letter itself answers this. Is it clear, well-organized, free of errors, and appropriately professional? This is your chance to prove you can write.

How to use this framework:

Before you write, jot down your answer to each question in bullet points. Then turn those bullets into paragraphs. This gives you a clear structure to work from.

Format, length, and basic structure

How long should a cover letter be?

One page, maximum. About 250-400 words or 3-4 paragraphs. Recruiters spend 30 seconds skimming it. If it is longer than one page, you have written too much.

Basic layout

Standard cover letter structure:
  1. Your contact details (top of page, matching your CV header)
  2. Date
  3. Employer contact details (hiring manager name if you have it, company name, address)
  4. Greeting ("Dear [Name]" or "Dear Hiring Manager")
  5. Opening paragraph (which job, where you saw it, brief hook)
  6. Body paragraph(s) (why you are qualified, why you want this job)
  7. Closing paragraph (call to action, availability)
  8. Sign-off ("Yours sincerely" if named, "Yours faithfully" if not, or "Kind regards")
  9. Your name

Formatting tips

  • Use the same font and header as your CV for consistency
  • 11-12pt font, standard margins
  • Left-aligned, professional layout
  • Single-spaced paragraphs with space between them
  • Save as PDF unless asked otherwise
  • Name your file: "FirstName_LastName_CoverLetter.pdf"

Email applications

If you are applying by email, you have two options:

  • Option 1: Put your cover letter in the body of the email and attach your CV
  • Option 2: Write a brief email and attach both cover letter and CV as PDFs
Which to choose?

For most roles, put the cover letter in the email body. It is easier for recruiters to read immediately. Only attach it as a separate PDF if the job posting specifically asks for it that way.

Opening paragraph: The hook

Your opening needs to grab attention without being gimmicky. State which job you are applying for, how you found it, and give them one strong reason to keep reading.

What NOT to write

❌ Generic and boring:

"I am writing to apply for the Marketing Manager position that I saw advertised on your website. I believe I would be a good fit for this role."

Problem: This could be anyone applying to any company. No personality, no hook, no reason to keep reading.

❌ Too casual or gimmicky:

"Are you looking for a marketing rockstar who will blow your socks off? Look no further! I'm your person!"

Problem: This is trying too hard. Cringe-worthy, not confident.

Strong opening formulas

✅ Formula 1: Experience + Enthusiasm

"I am writing to apply for the Marketing Manager position at [Company]. With five years of experience in digital marketing and a track record of growing social media engagement by 150%, I am excited about the opportunity to contribute to [Company]'s expansion into new markets."

✅ Formula 2: Connection Point

"When I saw [Company] was hiring a Software Engineer, I knew I had to apply. I have followed your work in renewable energy tech since attending your presentation at [Event], and I am impressed by your commitment to sustainability alongside innovation."

✅ Formula 3: Relevant Achievement

"In my current role as Project Coordinator, I managed the successful delivery of a €2M infrastructure project three months ahead of schedule. I am writing to bring this project management expertise to the Senior Project Manager role at [Company]."

Opening paragraph checklist:
  • States the specific job title you are applying for
  • Mentions how you found the role (optional but shows you are organized)
  • Includes one strong hook—your most relevant experience, achievement, or connection
  • Shows genuine interest in THIS company, not just any company
  • Keeps it to 3-4 sentences maximum

Body paragraphs: The proof

This is where you answer questions 1 and 2 from the framework: Can you do the job? Do you want THIS job? Usually this is 1-2 paragraphs (not more than 3).

Paragraph structure that works

Body paragraph 1: Your qualifications
  • Pick 2-3 key requirements from the job description
  • For each one, give a specific example of when you demonstrated that skill
  • Use numbers or results where possible
  • Connect your experience directly to what they need
Body paragraph 2: Why this company/role
  • Show you have researched them (mention recent news, projects, values)
  • Explain what specifically interests you about this role or company
  • Connect your career goals to what they offer
  • Be genuine—generic praise is obvious

How to show you have researched the company

Spend 5 minutes before writing to find one or two of these:

  • Recent company news, product launches, or achievements
  • Their mission statement or values (from their website)
  • Projects or clients they have worked with
  • Growth plans or expansion mentioned in news
  • Something specific about the team or department you are joining
Example body paragraphs:

In my current role as Marketing Coordinator at XYZ Ltd, I have developed strong skills in the three areas your job posting emphasizes: social media strategy, content creation, and analytics. Over the past two years, I have grown our Instagram following from 2,000 to 15,000 through targeted content campaigns, resulting in a 40% increase in website traffic from social channels. I also manage our monthly analytics reports and use data to refine our content strategy, which directly aligns with your need for someone who can combine creativity with data-driven decision making.

I am particularly drawn to [Company] because of your recent expansion into sustainable product lines. As someone who has long been interested in environmental responsibility, I am excited about the opportunity to apply my marketing skills to products that make a real difference. Your commitment to transparency in supply chains also aligns with my values, and I would be proud to represent a brand I genuinely believe in.

Common mistakes to avoid:
  • Just repeating your CV bullet points in paragraph form
  • Listing every skill you have ever had (focus on the most relevant 2-3)
  • Generic company praise ("I admire your commitment to excellence")
  • Focusing on what you want from them instead of what you offer them
  • Making it all about you without connecting to their needs

Closing paragraph: The call to action

Your closing wraps up your letter, reiterates your interest, and invites them to contact you. Keep it brief, confident, and professional.

What to include

  • Brief restatement of your enthusiasm for the role
  • Mention that your CV is attached or included
  • State your availability for interview
  • Thank them for their consideration
  • Confident but not presumptuous tone
❌ Too desperate:

"I really, really need this job and would be so grateful for the opportunity. Please give me a chance. I promise I would work really hard and would not let you down."

❌ Too arrogant:

"I am confident that I am the best candidate for this role and that you would be lucky to have me on your team. I look forward to your job offer."

✅ Good closing example 1:

"I would welcome the opportunity to discuss how my experience in digital marketing can contribute to [Company]'s continued growth. I have attached my CV for your review and am available for interview at your convenience. Thank you for considering my application."

✅ Good closing example 2:

"I am excited about the possibility of bringing my project management skills to your team and contributing to [specific project or goal]. Please find my CV attached. I would be happy to discuss my experience further in an interview. Thank you for your time and consideration."

✅ Good closing example 3:

"Thank you for considering my application. I am enthusiastic about the opportunity to join [Company] and contribute to [specific aspect]. I have attached my CV and look forward to the possibility of discussing this role with you further."

Sign-off

Use a professional closing:

  • "Yours sincerely," if you addressed them by name (Dear Ms. Murphy)
  • "Yours faithfully," if you used "Dear Hiring Manager" or "Dear Sir/Madam"
  • "Kind regards," or "Best regards," for email applications

Then your full name, typed.

Handling special situations

Sometimes you need to address something unusual in your cover letter. Here is how to do it briefly and positively.

Career changers

If you are moving to a different field, your cover letter is essential. Use it to explain why you are making the change and how your skills transfer.

Example for career changer:

"Although my background is in teaching, I am excited to transition into corporate training and development. My five years of classroom experience have given me strong skills in curriculum design, presentation, and adapting content for different learning styles, all directly relevant to designing and delivering employee training programs. I have also completed a Professional Certificate in Learning and Development to prepare for this career move."

Employment gaps

If you have a gap that might raise questions, address it briefly and positively. Do not apologize or dwell on it.

Example for gap:

"After taking time to care for a family member, I am now eager to return to full-time work and bring my account management skills to your team. During this time, I stayed current with industry developments and completed online courses in CRM systems to ensure my skills remained up to date."

Entry-level/no experience

If you are new to the workforce, emphasize transferable skills from education, internships, or part-time work.

Example for graduate:

"As a recent Business graduate, I am eager to begin my career in digital marketing. While completing my degree, I managed social media accounts for two student organizations, growing combined engagement by 200% through content planning and analytics. I also completed a three-month internship at [Company], where I assisted with email marketing campaigns and learned to use tools like Mailchimp and Google Analytics."

Overqualified

If you have more experience than the job requires, address it directly so they do not worry you will leave quickly.

Example for overqualified candidate:

"While my background includes senior management roles, I am specifically seeking a position that allows me to focus on hands-on project work rather than people management. This role aligns perfectly with my current career goals and offers the work-life balance I am looking for at this stage of my career."

Relocation

If you are applying from a different location, reassure them you are serious about moving.

Example for relocation:

"I am currently based in Cork but am actively planning to relocate to Dublin for family reasons. The move is definite and will take place by [date], so I am immediately available for interviews and can start work on short notice once relocated."

The efficient template approach

If you are applying for multiple jobs, you do not need to write every cover letter from scratch. Create a master template and customize the key sections for each application.

How to create your master template

  1. Write one strong cover letter for a job you really want
  2. Identify the sections that stay mostly the same (your core skills and experience)
  3. Mark sections for customization in brackets: [Company name], [specific project], [why this role]
  4. Save it as your master template and create a new copy for each application

What to customize for each job (15-20 minutes)

Always change these:
  • Company name (use find-and-replace to catch all instances)
  • Job title and where you saw it advertised
  • Opening paragraph hook (make it specific to this role)
  • One paragraph about why THIS company interests you
  • 2-3 skills or experiences that match THEIR specific requirements
  • Any mention of company projects, values, or recent news
Common template mistakes:
  • Forgetting to change the company name (huge red flag!)
  • Leaving in specific details from another company
  • Not matching requirements from the current job description
  • Making it too generic by removing all specific details
  • Sending the wrong version from your saved files

Sample template structure

Paragraph 1 (CUSTOMIZE FULLY):
I am writing to apply for the [JOB TITLE] position at [COMPANY NAME]. [HOOK: One sentence about your most relevant experience or achievement that connects to this specific role].
Paragraph 2 (SEMI-TEMPLATE with customization):
In my [X years] as [YOUR ROLE], I have developed strong skills in [SKILL 1], [SKILL 2], and [SKILL 3]. [SPECIFIC EXAMPLE with numbers that demonstrates these skills]. [One sentence connecting this experience to what THEY need based on job description].
Paragraph 3 (CUSTOMIZE FULLY):
I am particularly interested in [COMPANY NAME] because [SPECIFIC REASON based on research]. [One sentence about how this aligns with your goals or values].
Paragraph 4 (MOSTLY TEMPLATE):
I would welcome the opportunity to discuss how my experience can contribute to [COMPANY NAME]'s [specific goal or project if known, or just "continued success"]. I have attached my CV and am available for interview at your convenience. Thank you for considering my application.

10 cover letter mistakes that cost you interviews

1. Starting with "I am writing to apply..."

This is the most boring opening possible. Everyone knows you are writing to apply, so you do not need to state it so formally. Start with something that grabs attention.

2. Making it all about you

"This job would be perfect for my career development" focuses on what you want. Instead, focus on what you can offer them: "I can bring strong project management skills to your team."

3. Repeating your CV verbatim

If your cover letter just lists the same jobs and dates as your CV, it adds no value. Use the letter to expand on how you used your skills and why they are relevant here.

4. Generic company praise

"I admire your commitment to excellence and innovation" could apply to any company. Be specific: "Your recent expansion into renewable energy aligns with my background in sustainability."

5. Too long (more than one page)

If your cover letter is 2 pages, you have lost the reader. Recruiters skim these in 30 seconds. Keep it to 3-4 paragraphs maximum.

6. Spelling and grammar errors

Typos in a cover letter are worse than in a CV because the letter is specifically about communication skills. Proofread multiple times and get someone else to check it.

7. Wrong company name

This is the kiss of death. If you are using templates, triple-check you have changed every instance of the company name. Use find-and-replace to be safe.

8. No specific examples

"I am a hard worker with good communication skills" is meaningless. Give examples: "I managed a team of 5 and improved our response time by 30%."

9. Apologizing or being negative

"Although I do not have much experience..." or "I know my background is not perfect..." creates doubt. Focus on what you do have, not what you lack.

10. No clear call to action

Do not just trail off at the end. Clearly state that you are available for interview and invite them to contact you. Make it easy for them to take the next step.

Before and after: Full letter examples

Here is a complete example showing how to transform a weak cover letter into a strong one.

❌ Before: Weak cover letter

Sarah Murphy
Dublin, Ireland
sarah.murphy@email.com

Dear Hiring Manager,

I am writing to apply for the Marketing Coordinator position that I saw advertised on LinkedIn. I believe I would be a good fit for this role.

I have a degree in Business and Marketing from UCD and I have been working in marketing for three years. I am responsible for social media, email marketing, and helping with campaigns. I am a hard worker and a team player with good communication skills.

I am very interested in this position because I am looking for a new challenge and I think your company seems like a great place to work. I would love the opportunity to develop my career with you.

I have attached my CV. I hope to hear from you soon.

Yours faithfully,
Sarah Murphy

Problems: Generic opening, no specific achievements, focuses on what she wants rather than what she offers, no company research, vague language, no personality.

✅ After: Strong cover letter

Sarah Murphy
Dublin, Ireland | 087 123 4567
sarah.murphy@email.com | linkedin.com/in/sarahmurphy

15 November 2025

Ms. Emma O'Brien
Marketing Director
GreenTech Solutions
Dublin 2

Dear Ms. O'Brien,

I am excited to apply for the Marketing Coordinator position at GreenTech Solutions. In my current role at Digital Dynamics, I have grown our social media following from 3,000 to 18,000 in two years while increasing web traffic from social channels by 65 percent, results I am eager to replicate for a company at the forefront of sustainable technology.

Your job posting emphasizes three key skills: social media management, content creation, and data analysis. These align perfectly with my experience. I manage content calendars across five platforms, create engaging video and written content that drives measurable engagement, and use Google Analytics and social insights to refine our strategy monthly. Recently, I led a campaign promoting our new product launch that generated 250 qualified leads in three weeks, 40 percent above our target.

I am particularly drawn to GreenTech Solutions because of your mission to make renewable energy accessible to Irish households. Having followed your recent partnership with ESB and your expansion into solar panel installations, I am excited about the opportunity to apply my marketing skills to products that address climate change. Your commitment to transparent communication and community education also aligns with my belief that effective marketing should inform and empower, not just sell.

I would welcome the opportunity to discuss how my experience in digital marketing and passion for sustainability can contribute to GreenTech's continued growth. I have attached my CV for your review and am available for interview at your convenience. Thank you for considering my application.

Yours sincerely,
Sarah Murphy

Why this works: Strong opening with specific achievement, addresses job requirements directly with examples and numbers, shows genuine company research, demonstrates values alignment, confident but not arrogant, clear call to action.

Final cover letter checklist

Before you hit send, run through this checklist to catch common mistakes.

✅ Content checks

  • Company name is correct everywhere (use find to check)
  • Job title is correct
  • Opening paragraph grabs attention
  • You have answered: Can you do the job?
  • You have answered: Do you want THIS specific job?
  • You have included 2-3 specific examples with results
  • You have shown research about the company
  • You have a clear call to action
  • Tone is confident but not arrogant

✅ Format and technical checks

  • Length is one page maximum
  • No spelling or grammar errors
  • Contact details match your CV
  • Professional greeting and sign-off
  • Consistent formatting (font, spacing)
  • File named correctly: FirstName_LastName_CoverLetter.pdf
  • Saved as PDF unless otherwise specified
  • You have attached the right version
The fresh eyes test:

Read your cover letter out loud or ask someone else to read it. Does it sound natural? Is it clear what job you are applying for and why you are qualified? Would you want to interview this person?

Quick reference: Cover letter dos and don'ts

✅ Do

  • Keep it to one page (250-400 words)
  • Address it to a named person if possible
  • Start with a strong, specific opening
  • Use specific examples and numbers
  • Show you have researched the company
  • Connect your experience to their needs
  • Proofread multiple times
  • Match the tone to the company culture
  • End with a clear call to action
  • Save and name your file professionally

❌ Don't

  • Start with "I am writing to apply for..."
  • Repeat your CV in paragraph form
  • Use generic company praise
  • Focus on what you want from them
  • Apologize or focus on weaknesses
  • Use clichés ("thinking outside the box")
  • Go over one page
  • Send the same letter to every company
  • Forget to change company names
  • Include salary expectations unless asked

Getting the tone right for different industries

The level of formality in your cover letter should match the company culture. Here is a rough guide.

Formal tone

Industries: Law, finance, government, academic

Use traditional language, formal greetings, conservative structure. Avoid contractions and casual phrases.

Professional but friendly

Industries: Most corporate, healthcare, education, nonprofit

This is the safe middle ground. Professional but warm. You can use some contractions and show personality.

More casual

Industries: Tech startups, creative agencies, media, some retail

You can be more conversational and show more personality, but still clear and professional.

When in doubt:

Check the tone of their job posting. If it is formal and traditional, match that. If it is casual and uses phrases like "we're looking for someone who...", you can be slightly less formal. But professional is always safer than too casual.

Want another pair of eyes on your cover letter?

You do not have to figure this out alone. Through our Career Center, you can access optional career coaching with real people who will review your cover letter, give personalised tips, and help you feel confident before you apply.

Whether you need help polishing your wording, explaining a gap, or choosing the right tone, our team is here for you.

Get support at the Career Center

Your cover letter can make the difference

A strong cover letter will not guarantee you an interview, but a weak one can cost you the opportunity. When two candidates have similar CVs, the cover letter often decides who gets the call.

The good news is that you do not need to be a brilliant writer or spend hours on each letter. You just need to be clear about three things: you can do the job, you want THIS job specifically, and you can communicate professionally.

  • Keep it to one page with 3-4 focused paragraphs
  • Use specific examples and numbers wherever possible
  • Show you have researched the company
  • Connect your experience directly to their needs
  • Proofread before you send

Ready to strengthen your job application? Combine your cover letter with these resources:

This guide provides general advice for writing professional cover letters. Specific roles and industries may have different expectations, so always research the company and sector you are applying to.

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