Lab Assistant Cover Letter: Guide, Template, and Example

By Indeed Editorial Team

Published November 20, 2022

The Indeed Editorial Team comprises a diverse and talented team of writers, researchers and subject matter experts equipped with Indeed's data and insights to deliver useful tips to help guide your career journey.

If you're applying for lab assistant roles, employers may ask you to write a cover letter to describe your qualifications. This letter introduces your professional and academic background to employers while providing some personal context for your application. Learning how to write this type of letter may help increase your chances of getting hired when applying for this type of role.

In this article, we explore the meaning of a cover letter for a lab assistant role, discuss how to write a cover letter for lab assistant positions, give some additional tips for the process, and provide a template and example letter.

What is a lab assistant cover letter?

A lab assistant cover letter is a document accompanying a candidate's application for a lab assistant role. The cover letter may identify your name, the type of work you're interested in, and your qualifications to perform in the role. For instance, you might include information such as your science-related degree, or relevant certifications, licences, or other relevant documents.

Related: What Does a Laboratory Technician Do? (With Examples)

How to write a lab assistant cover letter

Here's a guide you can follow to write a lab assistant cover letter:

1. Write a header

At the top of your letter, create a header with your full name and degree, if it applies to lab work. Under that, you can include your e-mail address, your phone number and the name of the city and province or territory in which you live. Align this section to the left margin to format it as a formal letter.

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2. Address the letter and write an introduction

Your letter might include a salutation, like Dear, followed by the name of the hiring manager or company. After that, you may introduce yourself by expressing your excitement about working in a lab environment or describing how the job fits in with your overall career goals. This is a great way to show an initial interest in the position, convey what you hope to learn, and explain the purpose of the letter.

Related: How to Become a Lab Technician (Skills and Requirements)

3. Write the body of your letter

After that, the body of your laboratory assistant cover letter can discuss any work experience relevant to the lab assistant position. It can also discuss why you might be a good fit for the job. For instance, you can include any experiences doing similar work to convey how you developed or applied skills that are relevant to the role. This can help lend credibility to your application and may distinguish you from other candidates. In this section, you may also highlight some key achievements that make your application unique.

For instance, you can describe your previous experience as a research assistant and describe the project and experience you gained. You can also list important skills you developed during that time, such as the ability to use various lab tools and equipment, your ability to write comprehensive reports, and any protocol you followed to minimize cross-contamination of samples and maintain cleanliness standards.

Related: How to Write an Objective for a Research Assistant Resume

4. Conclude your letter

In the last paragraph, summarize your key qualifications, describe why they make you a good candidate for the job, and say how you want to be contacted for an interview. This can include a call to action, where you specifically ask the person reading the letter to contact you regarding an interview. In this paragraph, you can also restate your interest in the role.

Related: How to Write an Excellent Lab Technician Resume in 8 Steps

5. Sign the letter

Following that, write a closing phrase and sign the letter. For instance, you may say sincerely, best or thank you before writing your name. You can either sign the letter by hand or sign it by writing your name using a digital word processor.

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Tips for writing a laboratory assistant cover letter

Here are some additional tips you can use to write your letter:

  • Proofread and edit before submitting: Make sure to check your letter for grammatical, spelling, and syntax errors before submitting it to any employers. You can also check to make sure you include the correct name of the employer throughout the letter.

  • Be concise: Only include the most relevant qualifications in the body of the letter and don't include extraneous information.

  • Use action verbs: These help show your interest in the position and illustrate your skills that are relevant to the job. For example, when describing your previous roles, you may use verbs such as led and managed to be more specific about your role in previous teams.

  • Address concerns directly: If you have any gaps in your employment history or other areas of concern, address them directly in the cover letter.

  • Be unique: Highlight unique characteristics and qualifications you possess to show how you differ from other candidates who may apply to the role.

  • Be flexible: You can tailor the materials to fit your skills and qualifications, depending on what you want to highlight. For example, if you have a certification or degree that isn't directly related to an employer's needs but can be helpful for the role, you may want to highlight it in your letter.

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Cover letter template

A template can help you visualize the formatting of your cover letter. Here's a template you can follow to write a cover letter for this position:

[First name] [Last name], [Degree or certification if applicable]
[Phone number] | [E-mail address] | [City], [Province or territory]

This should mirror your contact information. A cover letter and resume are part of the same package of application materials—they should complement each other.


[Company name]

Dear [Hiring manager's first name] [Hiring manager's last name]

Paragraph 1

[Express excitement for the position including the role title and the company name]. [Introduce yourself by explaining why you're applying for the job and how the job aligns with your career goals and what specifically draws you to the company].

Paragraph 2

[Explain your relevant experience and qualifications without repeating what's on your resume]. [Highlight one-to-two relevant achievements with facts and data when possible.] [Explain why you'd be a good fit for the company]. [Optional - address employment gap or career transition].

Paragraph 3

[Express gratitude]. [Summarize qualification]. [Restate interest in role]. [Call to action + availability and preferred contact method.]

[Complimentary close],


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Cover letter example

Here's an example cover letter for this role that matches the above template:

Tom Settler, PhD
306-679-0909 | | Toronto, Ontario

August 23, 2022

Archibald Technologies

Dear Jason McKinley,

I am pleased to apply for the lab assistant position advertised in today's job posting. My name is Tom Settler and I have a strong professional background in formal academic research. I have more than four years of research experience with a focus on proteomics. I have been working as a lab assistant for the last two years and have held increasingly senior roles within my department. My experience has given me an understanding of the importance of experimental design, quality control, and safety procedures in the lab environment. I believe these skills can help me succeed in this role.

As an experienced lab assistant, I am ideally positioned to help your organization advance its research objectives. I have experience conducting complex research and developing experimental techniques. I have secured many scientific publications that indicate my ability to communicate effectively with other researchers while remaining tactful in my interactions with subject matter experts. My ability to meet deadlines is consistent and reliable. I directly attribute many of my achievements in academics to this aspect of my workmanship. As a lab assistant, I take pride in carrying out experiments with precision and efficiency.

Thank you for your time and consideration. I look forward to speaking with you about this opportunity further. My phone number is 386-679-0909. Please don't hesitate to reach out to me at any time to schedule an interview.


Tom Settler, PhD

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