Author: Taylor Warfield, Former Bain Manager and interviewer

Last Updated: May 22, 2026

 

An LEK cover letter is a one-page document that introduces you to L.E.K. Consulting and explains why you deserve an interview. L.E.K. is one of the most competitive boutique consulting firms in the world, with less than 5% of applicants getting interviews according to Glassdoor data. A strong cover letter can be the deciding factor.

 

By the end of this article, you will know exactly how to write an LEK cover letter that stands out. I will walk you through the proven structure, a full example, what L.E.K. recruiters actually look for, and the most common mistakes that get applications rejected.

 

But first, a quick heads up:

 

McKinsey, BCG, Bain, and other top firms accept less than 1% of applicants every year. If you want to triple your chances of landing interviews and 8x your chances of passing them, watch my free 40-minute training.

 

What Is an LEK Cover Letter?

 

An LEK cover letter is a one-page document that accompanies your resume when you apply for a role at L.E.K. Consulting. It tells your professional story, explains why you want to join L.E.K. specifically, and proves you have the skills to succeed as a consultant. Most successful LEK cover letters run between 300 and 400 words.

 

L.E.K. Consulting is a global strategy firm founded in London in 1983 with 25 offices across five continents and roughly 2,300 employees. The firm is known for deep expertise in life sciences, private equity, healthcare services, consumer products, and industrials. According to L.E.K.'s career site, the firm hires for a small number of slots each year and reads every cover letter carefully.

 

Your cover letter and consulting resume work together. The resume tells L.E.K. what you have done. The cover letter explains why it matters and why L.E.K. is the right next step for you.

 

Does LEK Require a Cover Letter?

 

Yes, L.E.K. Consulting requires a cover letter for most positions and offices. According to L.E.K.'s career portal, the standard application package includes a resume, cover letter, and academic transcripts. This is true for undergraduate Associate roles, MBA Consultant roles, and most experienced hire positions.

 

Even when L.E.K. lists the cover letter as optional, you should submit one. Recruiters told me they assume candidates who skip the cover letter are not serious about L.E.K. specifically. Given how much weight L.E.K. places on firm-specific motivation, skipping the cover letter is a major missed opportunity.

 

Role Type	Cover Letter Status	Recommendation
Undergraduate Associate	Required	Submit a tailored one-page letter
MBA Summer Consultant	Required	Lead with quantified impact stories
Full-time Consultant	Required	Highlight industry alignment
Life Sciences Specialist	Required	Emphasize scientific depth
Experienced Hire	Required	Explain the transition to consulting

 

What Does LEK Look for in a Cover Letter?

 

L.E.K. Consulting evaluates cover letters against four core qualities. According to the firm's career site and recruiting materials, recruiters want to see analytical rigor, ownership and drive, collaborative spirit, and genuine fit with L.E.K. specifically.

 

In my experience reviewing hundreds of consulting applications, L.E.K. weighs firm-specific motivation more heavily than McKinsey, BCG, or Bain do. Because L.E.K. has a smaller intake and a more focused industry footprint, recruiters want to know you chose them on purpose, not just as a backup option.

 

Quality	What It Means	How to Show It in Your Cover Letter
Analytical Rigor	Breaking down complex problems and drawing data-backed conclusions	Lead with a story where you used data to drive a decision with quantified results
Ownership and Drive	Taking initiative and seeing work through to impact	Describe a project you led end-to-end, not just contributed to
Collaborative Spirit	Sharing knowledge across teams and respecting different perspectives	Include one example of leading a team or cross-functional group
Firm-Specific Fit	Genuine interest in L.E.K.'s industries, culture, and model	Name a specific L.E.K. industry, project, or person you spoke with

 

How Does LEK Screen Cover Letters?

 

L.E.K. uses a two-stage screening process for applications. According to former L.E.K. recruiters I have spoken with, the first stage is a fast scan by a recruiter that lasts about 30 to 45 seconds. They are looking for the right role and office, correct firm name, no typos, and clear formatting.

 

The second stage is a closer read by a consultant or manager. They look for whether your stories show real analytical impact, whether you have done your homework on L.E.K., and whether your interest in consulting is genuine.

 

A Harvard Business Review study found that recruiters spend 7.4 seconds on an initial resume scan. Cover letters often get more time when the resume is borderline.

 

How Should You Structure an LEK Cover Letter?

 

A strong LEK cover letter follows a clear 6-paragraph structure that fits on one page. The total length should be 300 to 400 words. Anything longer and recruiters will skim past your key points.

 

Section	Length	Purpose
Header and Salutation	3 to 4 lines	Contact info and professional greeting
Opening Paragraph	2 to 3 sentences	Introduce yourself and state the role
Why Consulting Paragraph	2 to 3 sentences	Show you understand consulting work
Why LEK Paragraph	3 to 4 sentences	Demonstrate firm-specific interest
Qualifications Paragraph	4 to 6 sentences	Prove your skills with stories
Closing and Signature	2 sentences	Reiterate fit and thank the reader

 

Let me walk you through each section so you know exactly what to write and what to avoid.

 

How Should You Write the Header and Salutation?

 

Your header should include your full name, email address, phone number, and the date. Keep it short and clean. You do not need to list your mailing address.

 

For the salutation, try to find the name of the lead recruiter for the L.E.K. office you are applying to. Check L.E.K.'s career page, LinkedIn, or any recent recruiting events you attended. A named greeting like "Dear Ms. Patel" signals research and effort.

 

If you cannot find a specific name, use "Dear L.E.K. Boston Recruiting Team" or "Dear L.E.K. Recruiting." Avoid generic openers like "To whom it may concern" because they make you look lazy. Always write the firm name as L.E.K. with the periods, since that is how the firm writes it on its own materials.

 

How Should You Write the Opening Paragraph?

 

Your opening paragraph should do three things in 2 to 3 sentences. First, introduce yourself with a one-sentence summary of your background that includes a quantified accomplishment. Second, name the specific role and office you are applying for. Third, hint at why L.E.K. is a strong fit for you.

 

Here is an example of a strong opening paragraph:

 

"I am a senior at Northwestern University majoring in Economics with a 3.9 GPA and two years of healthcare research experience at a Boston biotech startup. I am writing to apply for the Associate position at L.E.K. Consulting's Boston office. L.E.K.'s deep life sciences practice and project-focused model are exactly the environment I am looking for to launch my career."

 

Notice how this opening immediately establishes academic credibility, names the role and office, and signals firm-specific knowledge. You can do all of this in 60 words or less.

 

How Should You Write the "Why Consulting?" Paragraph?

 

This paragraph should show that you understand what consulting actually involves. Avoid generic statements like "I want to solve interesting problems" or "I want to learn quickly." Every applicant says that.

 

Instead, ground your motivation in a specific experience. Talk about a project where you fell in love with structured problem solving, client work, or a particular kind of analysis. The best "Why Consulting?" paragraphs reference real moments, not abstract qualities.

 

Here is an example:

 

"During a strategy project for the dean's office, I led a team of four to redesign the undergraduate advising system. We interviewed 30 students, analyzed retention data, and presented three recommendations to senior leadership. The experience showed me that consulting combines rigorous analysis with real organizational impact, and I want to do that work every day."

 

How Should You Write the "Why LEK?" Paragraph?

 

This is the most important paragraph in your LEK cover letter. Recruiters use it to separate candidates who are genuinely interested in L.E.K. from candidates who are applying everywhere. You should give two to three specific reasons L.E.K. is right for you, and at least one of them should reference a real conversation, project, or industry.

 

Strong "Why L.E.K.?" content includes references to the firm's industries (life sciences, private equity, healthcare services, consumer products, industrials, media, technology), specific case studies from L.E.K.'s Executive Insights publications, the firm's office-based and low-travel model, or conversations with current L.E.K. consultants. L.E.K. publishes its Executive Insights research publicly, so reading 2 to 3 recent pieces and referencing one is a strong move.

 

Here is an example:

 

"L.E.K. stands out to me for three reasons. First, your life sciences practice is one of the deepest in the industry, and after reading your recent Executive Insights piece on biopharma capital allocation, I want to build my career around that kind of analytical work. Second, conversations with Sarah Kim and David Chen, both Associate Consultants in your Boston office, confirmed that L.E.K.'s collaborative and non-hierarchical culture matches how I work best. Finally, the firm's office-based model and short project cycles offer the variety and team continuity I am looking for at this stage of my career."

 

How Should You Write the Qualifications Paragraph?

 

Your qualifications paragraph should prove you have the skills L.E.K. wants by walking through one or two stories with concrete results. Lead with the most impressive accomplishment from your resume that demonstrates analytical thinking, leadership, or initiative. Quantify the impact wherever possible.

 

Do not just restate your resume. Use the cover letter to add depth, context, and the "so what" that bullet points cannot capture. A good rule of thumb is to spend three to four sentences on your top story and two sentences on a second supporting example.

 

Here is an example:

 

"At BioVentures, I led a market sizing project for a new diagnostic device targeting cardiovascular patients. I built a bottom-up model in Excel, interviewed 12 cardiologists, and delivered a $340M market estimate that the leadership team used to greenlight a Series B raise. As a senior, I also captained the campus consulting club, where I grew membership from 40 to 110 students in a year and ran weekly case workshops. Both experiences taught me that analytical rigor and collaborative leadership go hand in hand, and I am ready to apply them at L.E.K."

 

How Should You Write the Closing Paragraph?

 

Your closing paragraph should be short, confident, and forward-looking. Two sentences are enough. Restate your interest, thank the reader for their time, and signal that you welcome the chance to interview.

 

Here is an example:

 

"I would welcome the chance to discuss how my analytical background and passion for life sciences can contribute to L.E.K.'s Boston team. Thank you for considering my application."

 

Sign off with "Sincerely," or "Best regards," followed by your full name. Keep it professional.

 

What Is a Full LEK Cover Letter Example?

 

Here is a complete LEK cover letter example that brings all six paragraphs together. This example is for an undergraduate Associate role at L.E.K.'s Boston office. Adapt the structure to your own background and target office.

 

Maya Patel

[email protected]

555-123-4567

May 20, 2026

 

Dear L.E.K. Boston Recruiting Team,

 

I am a senior at Northwestern University majoring in Economics with a 3.9 GPA and two years of healthcare research experience at a Boston biotech startup. I am writing to apply for the Associate position at L.E.K. Consulting's Boston office. L.E.K.'s deep life sciences practice and project-focused model are exactly the environment I am looking for to launch my career.

 

My interest in consulting comes from a strategy project I led for the Northwestern dean's office. My team of four interviewed 30 students, analyzed three years of retention data, and presented three recommendations that the dean adopted. The project showed me that consulting combines structured analysis with real organizational impact, and I want to do that work every day.

 

L.E.K. stands out to me for three reasons. First, your life sciences practice is one of the deepest in the industry, and after reading your recent Executive Insights piece on biopharma capital allocation, I want to build my career around that analytical work. Second, conversations with Sarah Kim and David Chen, both Associate Consultants in your Boston office, confirmed that L.E.K.'s collaborative and non-hierarchical culture matches how I work best. Finally, the firm's office-based model and short project cycles offer the variety and team continuity I am looking for at this stage of my career.

 

At BioVentures, I led a market sizing project for a new diagnostic device targeting cardiovascular patients. I built a bottom-up model in Excel, interviewed 12 cardiologists, and delivered a $340M market estimate that the leadership team used to greenlight a Series B raise. As a senior, I also captained the campus consulting club, where I grew membership from 40 to 110 students in one year and ran weekly case workshops. Both experiences taught me that analytical rigor and collaborative leadership go hand in hand, and I am ready to apply them at L.E.K.

 

I would welcome the chance to discuss how my analytical background and passion for life sciences can contribute to L.E.K.'s Boston team. Thank you for considering my application.

 

Sincerely,

Maya Patel

 

This example clocks in at roughly 360 words. Notice how every paragraph carries a specific data point, a real story, or a firm-specific detail. There is no filler.

 

What Are the Best Tips for Writing an LEK Cover Letter?

 

After reviewing thousands of consulting cover letters, I have a clear sense of what separates the strong ones from the rejected ones. Here are the tips that matter most for L.E.K. applications specifically.

 

Tip #1: Tailor Every Paragraph to L.E.K.

 

Recruiters can spot a recycled cover letter in 5 seconds. Search-and-replace the firm name is not enough. Every paragraph should contain at least one detail that only applies to L.E.K., whether that is an industry, an Executive Insights publication, an office, or a person you spoke with.

 

Tip #2: Name L.E.K.'s Industries Specifically

 

L.E.K. organizes itself around 13 industry practices including Life Sciences and Pharma, Healthcare Services, Private Equity, Consumer Products, Industrials, MedTech, Media and Entertainment, Technology, Retail, Financial Services, Energy and Environment, Business Services, and Education. Name one or two that align with your background. This is the single fastest way to show genuine interest.

 

Tip #3: Reference Real L.E.K. People

 

If you have spoken to L.E.K. consultants, name them. This signals that you have done real networking and that your interest is genuine. Even one named person, with a brief mention of what they said about the firm, makes your cover letter feel personal.

 

Tip #4: Quantify Every Story

 

L.E.K. values analytical rigor above almost everything else. Every story in your cover letter should include numbers, such as "increased revenue by 12%," "managed a budget of $180K," or "grew membership from 40 to 110." Numbers prove impact in a way that adjectives cannot.

 

Tip #5: Keep It to One Page

 

A one-page cover letter shows discipline and respect for the reader's time. Aim for 300 to 400 words total. Anything longer dilutes your strongest points and signals that you cannot prioritize.

 

Tip #6: Show Familiarity with L.E.K.'s Model

 

L.E.K. is office-based with limited client travel, which makes it different from McKinsey, BCG, or Bain. The firm runs short, focused projects, often in commercial due diligence for private equity clients. Acknowledging these features in your cover letter signals that you understand what you are signing up for.

 

Tip #7: Edit Out Every Filler Word

 

Phrases like "I am writing to express my interest" or "I believe I would be a great fit" add nothing. Cut them. Replace them with concrete statements that carry real information.

 

Tip #8: Have Three People Proofread

 

A single typo can sink your application at a firm this competitive. Have one friend, one mentor, and one current consultant read your cover letter before submitting. Each will catch something different.

 

Tip #9: Save and Send as a PDF

 

PDFs preserve your formatting across devices and platforms. Word documents can render differently depending on which version of Word the recruiter uses. Always submit a PDF unless the application portal specifically requires another format.

 

Tip #10: Match the Cover Letter to the Resume

 

Your cover letter and resume should tell the same story with different evidence. If your resume highlights healthcare experience, your cover letter should emphasize healthcare too. Consistency across documents reinforces your narrative and makes it easier for the recruiter to remember you.

 

What Are the Most Common Mistakes in LEK Cover Letters?

 

There are five mistakes I see in almost every rejected LEK cover letter. Avoid these and you will already be in the top half of the applicant pool.

 

Mistake #1: Generic Cover Letters with Find-and-Replace Firm Names

 

This is the single most common mistake. Recruiters can spot a generic consulting cover letter that was originally written for another firm in seconds. If your "Why L.E.K.?" paragraph could be copy-pasted to any other consulting firm by changing the name, it is too generic.

 

Mistake #2: Restating the Resume Without Adding Depth

 

Your cover letter is not a second resume. If a recruiter learns nothing new from your cover letter that was not on the resume, the letter has no purpose. Use the cover letter to add the context, motivation, and "so what" that bullet points cannot capture.

 

Mistake #3: Vague "Why Consulting?" Reasons

 

Saying "I want to solve hard problems" or "I want to work with smart people" is too generic to be useful. Ground your motivation in a specific experience that crystallized your interest in consulting work. Vague reasons signal that you have not thought hard about what you actually want.

 

Mistake #4: Typos and Wrong Firm Names

 

If your cover letter says "Bain" anywhere on the page when applying to L.E.K., the application goes straight to the reject pile. Always proofread the firm name in every paragraph. Pay extra attention to the periods in L.E.K., since the firm uses them consistently.

 

Mistake #5: Writing More Than One Page

 

If a recruiter sees a two-page cover letter, they often skim or skip it entirely. One page is non-negotiable at L.E.K. and at every other consulting firm worth applying to.

 

How Should You Prepare for the Rest of the LEK Application Process?

 

Once your cover letter and resume land you an interview, the next hurdle is the LEK case interview. L.E.K. runs two rounds of interviews, with case interviews making up the bulk of the assessment in each round. The final round also includes a 60-minute written case interview that is unique to L.E.K.

 

L.E.K. case interviews are candidate-led, which means you drive the conversation forward by asking the right questions, requesting data, and proposing each next step. They are often heavier on math than McKinsey or Bain cases, and they frequently involve private equity due diligence scenarios.

 

Case interviews are critical at L.E.K. If you want to learn case interviews quickly, my case interview course walks you through proven strategies in as little as 7 days.

 

Behavioral interviews also matter. L.E.K. uses fit questions to test for collaboration, ownership, and cultural alignment, similar to other top boutique consulting firms. Prepare four to six STAR-method stories that quantify your impact and showcase the qualities L.E.K. values.

 

Frequently Asked Questions

 

How long should an LEK cover letter be?

 

An LEK cover letter should be one page and 300 to 400 words. Recruiters spend less than a minute on the first read, so anything longer dilutes your strongest points. Six tight paragraphs are enough to cover the essentials.

 

Does L.E.K. read every cover letter?

 

Yes, L.E.K. recruiters read cover letters as part of the standard screening process. The first read is fast, usually 30 to 45 seconds, looking for fit and red flags. Borderline applications get a second, deeper read from a consultant or manager.

 

Should I name a specific L.E.K. office in my cover letter?

 

Yes. Naming the specific L.E.K. office you are applying to signals that you have thought about location and shows genuine interest. L.E.K. is heavily office-based, so office choice matters more at L.E.K. than at firms with national staffing models.

 

Can I reuse my MBB cover letter for L.E.K.?

 

You can reuse the structure but you must rewrite the "Why this firm?" paragraph and at least one specific reference. L.E.K.'s industries, culture, and project model are different from McKinsey, BCG, or Bain. A recycled MBB letter will read as generic and hurt your chances.

 

What L.E.K. industries should I mention?

 

Mention industries that align with your background and interests. L.E.K. is best known for Life Sciences and Pharma, Healthcare Services, and Private Equity, but the firm also has strong practices in Consumer Products, Industrials, MedTech, Media and Entertainment, Technology, and Retail. Pick one or two and explain why.

 

Do I need to know an L.E.K. consultant to write a strong cover letter?

 

No, but networking with current L.E.K. consultants improves your cover letter significantly. Even one named conversation in your "Why L.E.K.?" paragraph adds credibility and shows initiative. If you cannot network, lean on the firm's Executive Insights publications and career blog instead.

 

How is an LEK cover letter different from a McKinsey cover letter?

 

An LEK cover letter places more weight on firm-specific motivation and industry alignment than a typical McKinsey letter. McKinsey weights leadership and personal impact heavily, while L.E.K. weights analytical rigor and genuine interest in its specific industries. The structure is similar, but the emphasis shifts.

 

Everything You Need to Land a Consulting Offer

 

Need help passing your interviews?

• Case Interview Course: Become a top 10% case interview candidate in 7 days while saving yourself 100+ hours
  
  
• Fit Interview Course: Master 98% of consulting fit interview questions in a few hours
  
  
• Interview Coaching: Accelerate your prep with 1-on-1 coaching with Taylor Warfield, former Bain interviewer and best-selling author

  

Need help landing interviews?

• Resume Review & Editing: Craft the perfect resume with unlimited revisions and 24-hour turnaround

 

Need help with everything?

• Consulting Offer Program: Go from zero to offer-ready with a complete system

 

Not sure where to start?

• Free 40-Minute Training: Triple your chances of landing consulting interviews and 8x your chances of passing them