Data Analyst cover letter example

Data Analyst cover letter example: opening on turning vague questions into decisions, proof from a £140k waste saving, and clear UK letter conventions.

Resume for this role

Priya Shah

Data Analyst | SQL, Python and Power BI | Retail and Operations Analytics

London

30 October 2026

Tunde AdebayoHead of Commercial AnalyticsFernbrook Pharmacy GroupLondon

Re: Data Analyst, Commercial

Dear Mr Adebayo,

Your Data Analyst advert at Fernbrook Pharmacy Group asks for someone who can go from a vague commercial question to an answer the business acts on. My favourite example of that comes from my current role at Greenleaf Grocers.

Our fresh category manager suspected bakery waste was too high but could not say where. I pulled two years of till and waste data in SQL, controlled for store size and footfall, and found that waste ran 30% higher in our smaller stores because they used the same ordering rule as the large ones. We changed the rule for those stores, and the saving is running at about £140,000 a year.

Most of my week is less dramatic: a weekly Power BI dashboard used by 60 store and area managers across 48 stores, a set of Python scripts that replaced 12 hours of manual reporting, and 15 to 20 ad hoc requests a month from buying, finance and operations. I enjoy all of it, and retail pharmacy has very similar questions about stock and demand.

Before Greenleaf I worked at Thameside Housing Association, where I matched records for 9,000 homes across three legacy systems and built a repairs dashboard that showed 22% of jobs missing their 28-day target. Within six months the figure had fallen to 11%, which taught me that a dashboard only matters if someone acts on it.

I have 3 years of analytics experience and hold the PL-300 certification. I would love to discuss the role with you.

Yours sincerely,

Priya Shah

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How this letter works

What each part of the letter above does, and how to do the same in yours.

The opening

It quotes the advert's own phrase about vague questions and promises one example, then delivers it in the next paragraph. Hiring managers for analysts want to see how you think, and a single worked example shows it better than a skills list.

Whom to address

Write to the head of analytics or the hiring manager named in the advert. In UK letters, "Dear Mr Adebayo" without a full stop, closed with "Yours sincerely", is the standard form.

Requirements matched to proof

The posting asks forAnswer commercial questions with data
The letter showsTwo years of till data analysed in SQL; a changed ordering rule saving about £140,000 a year.
The posting asks forBuild dashboards people use
The letter showsPower BI dashboard for 60 managers in 48 stores; repairs dashboard that halved missed targets.
The posting asks forAutomate reporting
The letter showsPython scripts replacing 12 hours a week of manual Excel work.

Length

Five paragraphs, within the usual 250 to 400 words. One analysis is told in detail; the rest of the work gets a sentence each so the letter stays on one page.

This letter: 250 words.

The closing

A short, warm request to discuss the role suits a junior-to-mid analyst. The sign-off matches the named greeting.

Mistakes to avoid in this letter

  1. A tools inventory

    SQL, Python and Power BI are on the CV. The letter should show one question you answered and what the business did next.

  2. No business result

    "Built dashboards" is a task. "A dashboard that halved missed repair targets" is a result.

  3. Too technical for the reader

    The first reader may be a commercial manager. Explain the analysis in plain words and keep the method to a clause.

Questions about this cover letter

Should I include a portfolio link in a data analyst cover letter?
Yes, if it holds work similar to the role, such as a dashboard or analysis on public data. Put the link in the header and mention one piece in the body.
How do I write the letter for my first analyst job?
Use an analysis from your degree, a placement or your current job, even if it was not called analytics. The structure is the same: question, data, finding, action.
Should I mention certifications like PL-300?
Once, at the end. They support the application but do not replace an example of real analysis.

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