Letter of Interest: How to Write One That Opens Doors (+ 5 Templates)

A letter of interest is your way of knocking on a door that hasn't been opened yet.

Most job seekers spend their time scrolling job boards, waiting for the right posting to appear, and competing with hundreds of other applicants. There's nothing wrong with that approach. But it means you only ever see the opportunities that companies choose to advertise.

What about the roles that get filled through internal referrals? The positions that are still being scoped out? The teams that would hire someone great if the right person landed in their inbox?

That's where a letter of interest comes in. It's a proactive, professional way of introducing yourself to a company you want to work for, even when there's no vacancy listed. Done well, it can put you on a hiring manager's radar weeks or months before a role goes public. Done poorly, it reads like spam.

In this guide, we'll cover exactly what a letter of interest is, how it differs from a cover letter, when you should send one, and how to write one that actually gets a response. We've also included five complete templates you can adapt to your own situation.

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What Is a Letter of Interest?

A letter of interest (sometimes called a letter of enquiry or a prospecting letter) is a message you send to a company expressing your interest in working for them, without applying for a specific open role.

It's essentially a professional introduction. You're telling the company who you are, why you admire what they do, and what you could contribute if the right opportunity came along.

Think of it as the career equivalent of walking into a shop, introducing yourself to the owner, and saying: "I love what you're doing here. If you ever need someone with my background, I'd love to chat."

The key word is proactive. You're not responding to a job advert. You're starting a conversation.

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Letter of Interest vs Cover Letter

People often confuse these two documents, and it's easy to see why. They're both professional letters. They both talk about your skills and interest in a company. But they serve very different purposes.

The simplest way to remember the difference: a cover letter says "I want this job." A letter of interest says "I want to work here."

If you're applying for an advertised role, you need a cover letter. Our guide on how to write a cover letter covers that process in detail. But if you're reaching out without a specific vacancy in mind, a letter of interest is the right tool.

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When to Send a Letter of Interest

Not every situation calls for a letter of interest. Sending one at the wrong time can feel presumptuous. But there are several scenarios where it's not just appropriate but genuinely effective.

1. You admire a company but they have no open roles

This is the classic use case. You've been following a company for months. You love their product, their culture, or their mission. You check their careers page regularly, but nothing suitable has appeared.

Rather than waiting indefinitely, a letter of interest puts your name on their radar. Many companies keep a file of strong candidates who've reached out proactively. When a role does open up, you could be the first person they contact.

2. After meeting someone at a networking event

You had a great conversation with someone at a conference, meetup, or industry event. They mentioned their company is growing, or they hinted that their team might be hiring soon.

A letter of interest is the perfect follow-up. It formalises your interest while the conversation is still fresh, and gives the other person something tangible to forward to their hiring manager.

For more on this type of outreach, see our guide on networking email templates.

3. You want to break into a new industry

Career changers face a unique challenge: most job postings are written for people already in the industry. If you're transitioning from teaching to UX design, or from retail management to tech operations, the standard application process often filters you out before a human ever reads your CV.

A letter of interest lets you bypass that initial filter. You can explain your motivation for the switch, highlight transferable skills, and make a case for yourself that an ATS would never allow.

4. Before a role is officially posted (the insider tip)

Here's something most job seekers don't realise: companies often know they're going to hire for a role weeks or months before it appears on a job board. Budget approvals, team restructures, new project launches. These all signal upcoming hiring needs.

If you've done your research and spotted signals that a company might be expanding (new office, funding round, product launch, LinkedIn posts mentioning growth), a well-timed letter of interest can position you ahead of the crowd.

This is particularly effective at smaller companies and startups, where hiring decisions are less formal and a strong candidate reaching out at the right moment can genuinely accelerate the process.

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The Structure of a Letter of Interest

A strong letter of interest follows a clear four-paragraph structure. Each paragraph has a specific job to do.

Paragraph 1: Who you are and why you're reaching out

Open with a brief introduction and your reason for writing. Be direct. Don't bury the lead under three sentences of pleasantries.

State your name, your current role or professional identity, and why you're contacting this specific company. If someone referred you or you met a team member at an event, mention that immediately.

Example opening: "My name is Sarah Chen, and I'm a product designer with six years of experience in fintech. I've been following Monzo's approach to accessible banking for several years, and I wanted to reach out to explore whether there might be an opportunity to contribute to your design team."

Paragraph 2: What you admire about the company (be specific)

This is the paragraph that separates a strong letter of interest from a generic one. You need to demonstrate that you've done your homework.

Don't write "I admire your company's innovative approach." That could apply to any company on earth. Instead, reference something specific: a recent product launch, a blog post by the CEO, a company value that resonates with your own experience, a project you found particularly impressive.

The goal is to make the reader think: "This person actually knows who we are."

Example: "I was particularly impressed by your recent launch of the Bills Pot feature. The way your team simplified what's traditionally a painful process speaks to the kind of user-first thinking I try to bring to every project I work on."

Paragraph 3: What you'd bring to the table

Now connect your experience to their needs. This isn't about listing every skill on your CV. It's about drawing a clear line between what you can do and what they might need.

Focus on transferable skills and relevant achievements. Use specific numbers where possible. And frame everything in terms of value to them, not just accomplishments for yourself.

Example: "In my current role at Tide, I led the redesign of the invoicing flow, which reduced user drop-off by 34% and contributed to a 12% increase in paid plan conversions. I specialise in turning complex financial processes into intuitive interfaces, and I'd love the chance to bring that perspective to your team."

Paragraph 4: A polite close with availability

End with a clear but low-pressure call to action. You're not asking for a job. You're asking for a conversation.

Suggest a brief call or coffee. Make it easy for them to say yes. And always thank them for their time.

Example: "I'd welcome the chance to learn more about your team's current priorities and explore whether there might be a fit. I'm available for a brief call at your convenience. Thank you for taking the time to read this, and I look forward to hearing from you."

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5 Complete Letter of Interest Templates

Below are five templates covering different scenarios. Each is designed to be adapted, not copied word for word. Replace the bracketed sections with your own details, and adjust the tone to match the company culture.

Template 1: General Expression of Interest (No Specific Role)

Dear [Hiring Manager's Name],

My name is [Your Name], and I'm a [your role/title] with [X years] of experience in [your field]. I've been following [Company Name]'s work in [specific area] for some time, and I wanted to reach out to introduce myself.

What draws me to [Company Name] is [specific thing you admire, such as a product, value, initiative, or recent achievement]. I believe strongly in [related principle], and it's clear from [specific evidence] that your team shares that commitment.

In my current role at [Current Company], I've [specific achievement with numbers if possible]. I also have experience in [relevant skill or area], which I believe could be valuable as your team continues to [grow/expand/develop in a specific area].

I understand there may not be an open position right now, and that's perfectly fine. I'd simply love the opportunity to connect over a brief call to learn more about your team and share a bit more about my background. I'm available at your convenience and can be reached at [email] or [phone].

Thank you for your time, and I look forward to the possibility of connecting.

Best regards, [Your Name]

Why it works: It's respectful of the reader's time, specific enough to show genuine interest, and makes no assumptions about open roles. The low-pressure close makes it easy for the recipient to respond.

Template 2: Post-Networking Follow-Up

Dear [Contact's Name],

It was great meeting you at [event name] last [day/week]. I really enjoyed our conversation about [specific topic you discussed], and it got me thinking more seriously about the work your team is doing at [Company Name].

As I mentioned, I'm currently a [your role] at [Current Company], where I focus on [brief description of your work]. Since our chat, I've spent some time looking into [specific project, product, or initiative at their company], and I'm genuinely impressed by [specific detail].

I've spent the last [X years] working on [relevant experience], and I believe there's a strong overlap between my background and the direction [Company Name] is heading. In particular, [specific skill or experience] could be directly relevant to [something they mentioned or you observed].

If you think it would be worthwhile, I'd love to continue our conversation over a coffee or a quick call. I'm also happy for you to pass my details along to anyone on your team who might be interested.

Thanks again for the great conversation. I hope to stay in touch.

Warm regards, [Your Name]

Why it works: It builds on an existing connection, which dramatically increases the chance of a response. The reference to a specific conversation topic proves this isn't a mass email. Offering to be passed along to someone else removes pressure from the contact.

Template 3: Industry Transition

Dear [Hiring Manager's Name],

My name is [Your Name]. I'm reaching out because I'm making a deliberate transition from [current industry] into [target industry], and [Company Name] is at the top of my list of organisations I'd love to be part of.

I know that might sound unconventional. But after [X years] in [current field], I've developed a strong foundation in [transferable skills such as project management, stakeholder communication, data analysis, etc.] that translates directly to [target role/field]. What prompted the switch was [brief, genuine reason, such as a personal experience, a growing passion, or a project that opened your eyes].

To prepare for this transition, I've [relevant steps you've taken, such as courses, certifications, freelance projects, volunteer work]. I'm not starting from scratch. I'm bringing a different perspective, and I believe that's something [Company Name] values based on [specific evidence, such as their stated commitment to diverse backgrounds or their track record of hiring non-traditional candidates].

I'm not expecting a role to exist today. But I'd be grateful for the chance to have a brief conversation about how someone with my background might contribute to your team in the future. I'm available at [email] and happy to work around your schedule.

Thank you for considering this, and for the work your team does in [specific area].

Kind regards, [Your Name]

Why it works: It addresses the elephant in the room immediately (the career change) and reframes it as a strength. The mention of concrete preparation steps shows commitment, not just curiosity. And the closing acknowledges reality without being defeatist.

Template 4: Company-Specific (You've Researched a Project or Initiative)

Dear [Name],

I recently read about [Company Name]'s [specific project, initiative, product launch, or announcement], and I wanted to reach out because it's closely aligned with the work I'm most passionate about.

I'm a [your role] with [X years] of experience specialising in [your specialty]. I've spent much of my career focused on [specific area that relates to their project], most recently at [Current Company], where I [specific achievement that's relevant to their work].

What stood out to me about [the project/initiative] was [specific detail that shows you've read beyond the headline]. I've been thinking about [related challenge or opportunity in the space], and I'd love to learn more about how your team is approaching it.

If there's ever an opportunity to contribute to this kind of work at [Company Name], I'd be very interested. In the meantime, I'd welcome the chance to connect briefly and learn more about your team's direction. I'm reachable at [email] and happy to send across my CV if helpful.

Thank you for your time. I look forward to hearing from you.

Best regards, [Your Name]

Why it works: This template centres the company's work, not the writer's career goals. It reads less like a job application and more like a message from someone who genuinely cares about the subject matter. That specificity is what makes hiring managers pay attention.

Template 5: Speculative for a Known Upcoming Role

Dear [Hiring Manager's Name],

I noticed that [Company Name] recently [signal of growth, such as announced a new office, closed a funding round, launched a new product line, or posted about team expansion on LinkedIn]. Congratulations on the milestone.

I'm a [your role] with [X years] of experience in [relevant field], and I wanted to reach out because I suspect your growth may mean you'll be looking for people with my kind of background in the near future.

At [Current Company], I've [relevant achievement with specific results]. Before that, I [another relevant experience]. I specialise in [your key strength], and I've consistently delivered [type of results] in [type of environment that matches theirs].

I appreciate that the timing might not be perfect, and I don't want to presume anything about your hiring plans. But if you are planning to expand your [relevant team], I'd love to be considered. I'm happy to send my CV, jump on a quick call, or simply stay in touch until the time is right.

Thank you for reading this, and congratulations again on [the milestone].

Best regards, [Your Name]

Why it works: It demonstrates strategic awareness (you've spotted the signals) without being pushy. Congratulating the company on their growth is a genuine, positive opening. And offering multiple levels of engagement ("send my CV, call, or just stay in touch") lets the recipient choose their comfort level.

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How to Research a Company Before Writing

The difference between a letter of interest that gets a response and one that gets deleted comes down to research. Here's where to look.

Company website and blog

Start with the obvious. Read their "About" page, their mission statement, and any recent blog posts. Look for language they use to describe their culture and values. Mirror that language (naturally, not robotically) in your letter.

LinkedIn

Check the company page for recent posts and updates. Look at the profiles of people in the team you'd want to join. Notice their backgrounds, the projects they highlight, and the language they use. If the company has been posting about growth, new hires, or team milestones, those are excellent details to reference.

News and press releases

A quick search for "[Company Name] news" can surface recent funding rounds, product launches, partnerships, or awards. Referencing something timely shows you're paying attention right now, not recycling a letter from six months ago.

Glassdoor and similar platforms

These can give you a sense of company culture, which helps you calibrate your tone. A letter to a buttoned-up law firm should read differently from one to a casual creative agency.

Their product or service

If possible, actually use their product. Sign up for their free tier. Visit their shop. Read their documentation. Nothing impresses a company more than someone who's taken the time to experience what they've built.

Industry reports and trends

Understanding the broader context of the company's industry helps you write more intelligently about where they sit in the market and what challenges they might be facing. This is especially useful for the "what you'd bring" paragraph.

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Subject Line Examples for Email

If you're sending your letter of interest via email (which is the most common approach today), your subject line matters. It's the first thing the recipient sees, and it determines whether they open your message.

Here are subject lines that work:

• "[Your Role] interested in opportunities at [Company Name]" - straightforward and clear
• "Following up from [Event Name]" - if you've met someone previously
• "Impressed by [specific project] and looking to connect" - shows you've done your research
• "[Mutual Contact's Name] suggested I reach out" - if you have a referral
• "[Your Specialty] professional exploring [Company Name]" - positions you as an expert
• "Quick introduction from a [Company Name] admirer" - warm and direct

Avoid subject lines that are too clever, too vague ("Enquiry"), or too long. The reader should know exactly what you want within three seconds.

If you're unsure about email etiquette, our guide on how to email a resume covers formatting, attachments, and follow-up timing in detail.

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Common Mistakes to Avoid

Even a well-intentioned letter of interest can fall flat if you make one of these errors.

Being too generic

"I admire your company's innovative work and would love to be part of your team" tells the reader nothing. If you could swap out the company name and the letter would still make sense, it's too generic. Every letter of interest should be written for one company and one company only.

Making it all about you

Yes, you need to talk about your skills and experience. But the letter should be framed around what you can do for them, not what they can do for you. "I'm looking for a role that will help me grow" is about you. "I'd love to bring my experience in X to help your team tackle Y" is about them.

Writing too much

A letter of interest should be 250 to 400 words. That's roughly one page. If you're writing more than that, you're probably including information that belongs in your CV. The letter opens the door. Your CV and interview close the deal.

Not including a call to action

Every letter needs to end with a clear next step. Don't just trail off with "I hope to hear from you." Suggest a specific action: a 15-minute call, a coffee, or simply asking them to keep your details on file. Make it easy for the reader to respond.

Sending to a generic inbox

If at all possible, address your letter to a specific person. "Dear Hiring Manager" is acceptable but forgettable. "Dear Sarah" is personal and far more likely to get a response. Use LinkedIn to find the right contact.

Attaching your CV without being asked

Some career advisors recommend including your CV with every letter of interest. We'd suggest a different approach: mention that you're happy to share it, but don't attach it unless they ask. The letter should stand on its own. Sending an unsolicited CV can feel presumptuous, especially when you're reaching out speculatively.

Not following up

If you don't hear back within one to two weeks, it's perfectly acceptable to send a brief, polite follow-up. Most people are busy, not uninterested. A single follow-up can double your response rate.

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Putting It All Together

Writing a letter of interest takes more effort than firing off a standard application. You need to research the company, craft a personalised message, and find the right person to send it to. But that extra effort is exactly what makes it effective.

The hidden job market is real. Estimates vary, but research consistently suggests that a significant proportion of roles are filled without ever being publicly advertised. A letter of interest is one of the most direct ways to access those opportunities.

If you're serious about your job search, don't limit yourself to job boards. Combine your applications with targeted letters of interest, thoughtful networking emails, and strong cover letters when you do apply for posted roles.

And when you're ready to write that cover letter, JobSprout can help you generate a tailored one in minutes, matched to any job posting. That frees up your time and energy for the proactive outreach that often makes the biggest difference.

The best career opportunities rarely come from waiting. They come from reaching out.