Biology Cover Letter Examples & Guide for 2025

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Crafting a compelling cover letter is essential when applying for a biology position in the UK, as it serves to highlight your most relevant skills and experiences. It should communicate your genuine passion for the field, demonstrating your understanding of the role and how your expertise aligns with the organisation’s objectives. Additionally, a well-structured cover letter should offer a concise narrative of your career journey, making it clear why you are the ideal candidate to contribute to the prospective employer's scientific endeavours.

When you start applying for jobs, you quickly realise that including a cover letter with your CV is a excellent way to stand out. But what should your cover letter focus on?

Should it emphasise your key achievements or simply list your responsibilities? And how can you effectively demonstrate that you're the ideal fit for the role?

One of the most common mistakes candidates make is either underselling themselves or overstating their experience.

In this guide, you’ll learn how to craft a compelling cover letter by showcasing your most significant professional achievement and telling the story behind it.

Biology cover letter example

Sophia Brooks

Brighton and Hove

+44 1234 567890

help@enhancv.com


Dear Hiring Manager,

I am writing to express my interest in the Laboratory Technician position at your esteemed organization. I have thoroughly researched your company and am impressed by your commitment to innovation and excellence in biotechnology, which aligns perfectly with my professional values and career aspirations.

During my tenure as a Senior Laboratory Technician at GlaxoSmithKline, I implemented strategic quality control procedures that reduced sample contamination rates by 25%. This initiative not only improved the integrity of our research but also demonstrated my proactive approach and keen attention to detail, critical skills that I believe would greatly benefit your team.

I am keen to discuss how my experience and skills can contribute to the exciting projects at your company. I am confident in my ability to drive results and am eager to bring my expertise to your team. I appreciate your time and consideration, and I look forward to the opportunity to discuss my application further.

Sophia Brooks

Laboratory Technician
Why this cover letter hits the mark:


  • Highlight relevant industry experience: Clearly articulate any past positions or roles that align directly with the job you are applying for. In the provided letter, mentioning experience at GlaxoSmithKline ties directly into the lab technician role.
  • Emphasize key achievements: Quantifying accomplishments, such as reducing sample contamination rates by 25%, showcases initiative and effectiveness in past roles.
  • Connect with the company's values: Indicating an understanding of and alignment with the company's mission, like their commitment to innovation and excellence, demonstrates that you’ve done your research and are genuinely interested in contributing.
  • Demonstrate a proactive mindset: Highlighting actions taken, such as implementing strategic procedures, shows foresight and the ability to bring positive change to a new role.

Importance of cover letters in the United Kingdom

A well-crafted cover letter can significantly strengthen your job application by emphasising why you’re an ideal fit.

Here are some reasons why it matters:

  • Personalisation: Employers expect your cover letter to demonstrate how your skills and experience align with the company’s needs and/or values.
  • Addresses what is omitted from your CV: If your career path includes gaps or changes, your cover letter is the best place to address these positively and explain their relevance.
  • Opportunity to stand out: Many applicants have similar qualifications, so a tailored cover letter can show your unique attributes and experience.

What UK employers expect from a cover letter

When writing your cover letter for a UK employer, it’s important to keep several things in mind. First, you need to conduct a thorough research, which includes reading up on the company’s website, recent news, and their presence on social media. Understanding the company’s latest achievements and its overall mission will allow you to tailor your letter to their specific needs.

Next, focus on the company’s core values. Whether they value teamwork, innovation, or community involvement, highlighting how your own experience aligns with these principles is essential.

Finally, don’t forget to match your skills to the job’s requirements. Study the job description carefully and pick out the most important qualifications or competencies. Then, provide evidence of how you meet those criteria with concrete examples from your past work experience.

How to format a biology cover letter

Before diving into the content, the structure of your cover letter should include the following elements:

  • Your address and contact details
  • The employer’s name and address
  • Date
  • Salutation or greeting
  • Opening or introductory paragraph
  • Middle or body paragraphs
  • Closing paragraph
  • Sign-off and signature

When it comes to the best font choice, consider modern options like Lato, Rubik, Raleway, Volkhov, Chivo, or Bitter as alternatives to Arial or Times New Roman.

Your cover letter should be single-spaced, with approximately 1-inch (2.5 cm) margins all around (our templates are set up automatically with this spacing in mind).

Ensure your CV and cover letter use the same font for consistency, and always send them as a PDF to prevent edits and maintian formatting.

Lastly, while Applicant Tracking Systems (ATS—the software used to match your application to set requirements) won't read your cover letter, recruiters certainly will, so make sure it stands out.

How to write your biology cover letter salutation

In a world of AI and instant prompts, taking the extra time to personalise your cover letter truly makes a difference.

Address the hiring manager directly with a customised greeting (e.g., 'Dear Mr Bond', 'Dear Ms Penny').

You can often find their name on LinkedIn (under the job listing or by searching) or in the ‘About’ or ‘Meet the Team’ section of the company's website. If in doubt, you can also contact the reception for assistance.

If you can't find the name, rather than using 'Dear Sir or Madam', opt for something more personal, such as 'Dear [Company Name] Hiring Manager'.

How to write your biology cover letter intro

A great option to begin your cover letter is by showing recruiters you've done your homework or research.

If the company has won an award or made headlines, congratulate them in your opening sentence, or express how impressed you are.

Provide this achievement as a reason why you admire the company, ensuring your tone remains genuine, sincere, and authentic.

Cover Letter Intro
As an ardent advocate for environmental sustainability with a deep appreciation for the innovative research conducted by [Company Name], I am drawn to your commitment to advancing scientific knowledge and fostering a collaborative culture. With a robust background in biology and a keen interest in your pioneering projects, I am eager to contribute to your esteemed team.
RIGHT

How to write your biology cover letter body

Which makes for a stronger cover letter body: a long-winded account of everything you’ve ever done, or a focused achievement that’s directly relevant to the job?

Hint: recruiters prefer the second.

When writing your cover letter, select your most impressive achievement that:

  • Directly aligns with the job description and role.
  • Is quantifiable with tangible metrics like numbers or percentages.
  • Maps out your hard and soft skills, showcasing what makes you unique.
  • Tells the story of the impact you could have on the organisation.
Cover Letter Body
During my tenure as a Senior Research Associate at Cambridge Biotech, I led a groundbreaking project that resulted in a 30% improvement in the efficiency of our cell culture processes. This achievement not only increased productivity but also reduced costs by £50,000 annually. My role involved streamlining workflows by implementing an advanced bioinformatics tool to predict cell growth patterns, which significantly enhanced our experimental accuracy by 25%. These innovations were pivotal in accelerating our research milestones and underscored my ability to devise efficient solutions and apply meticulous analytical skills to complex biological challenges.
RIGHT

How to write a closing paragraph

When ending your cover letter, you have two options:

Option one is to promise how you’d contribute to the organisation—whether that’s improving a target or achieving a specific goal—or how the company could help you grow professionally. Always emphasise the tangible impact you can deliver.

The second option is to close by asking when you can expect to hear back from the hiring managers, whether for an update or to arrange an interview.

Cover Letter Closing
I am immensely enthusiastic about the opportunity to contribute to your esteemed institution with my background and passion for biology. I am keen to bring my skills and experiences to your team and am eager to discuss in further detail how I can support your objectives. Please feel free to contact me at your earliest convenience to schedule an interview. Thank you very much for considering my application. I look forward to the possibility of contributing to your distinguished institution.
RIGHT

Conclusion

Creating a compelling cover letter is vital in making a positive first impression on potential employers. Personalise your letter by addressing the hiring manager directly and ensuring your skills align with the job description.

Highlight specific achievements that demonstrate your suitability for the role, and express genuine enthusiasm for the opportunity. Finally, maintain a professional format that complements your CV for a cohesive application.

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Volen Vulkov
Volen Vulkov is a resume expert and the co-founder of Enhancv. He applies his deep knowledge and experience to write about a career change, development, and how to stand out in the job application process.
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