🎯 Your situation
These are genuinely different letters, not tone settings. Pick the one that matches what is actually happening.
👤 You
✉️ Who it goes to
✍️ The detail
The subject form — she, he or they. Ask them which they use; getting it wrong in a formal letter is a bad first impression made on their behalf.
As in "I would work with ___ again": her, him or them.
Situation, action, outcome. If you can only write one paragraph well, write this one.
Pick something the first example does not show — judgement, generosity, resilience.
Only include a comparison you would stand behind if asked. Readers weigh these heavily, which is exactly why an inflated one is damaging.
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Letter of Recommendation Writer
The difference between a recommendation that helps and one that does nothing is evidence. “Hard-working, reliable and a pleasure to work with” describes everyone the reader has ever received a letter about. One paragraph containing a situation, what the person actually did, and what happened as a result is worth more than a page of adjectives, because it is the only part a reader cannot get from the CV.
You are also lending your credibility. That means writing only what you saw yourself and can support, being explicit about the basis and limits of your knowledge, and — if you cannot write a strong letter — saying so to the person instead of writing a tepid one. A lukewarm recommendation is read as a warning, and it is often worse for them than no letter at all.
Many organisations restrict what employees may say in a reference, and some require all references to go through HR and confirm only dates and job title. Writing a personal recommendation in your own name is usually a separate matter from providing an official employer reference — but the boundary, and what an employer may lawfully be asked or required to disclose, varies by country and by contract. Check your own policy first, keep to facts you observed, and leave out personal characteristics that are irrelevant to the role.
What the letter needs to contain
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1
Your standing and the basis of your knowledge
Your role, their role, how you overlapped and for how long. A reader weighs everything that follows by this paragraph, so it goes first.
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2
Evidence, not adjectives
A situation, what they did, what resulted. This is the substance of the letter; everything else is framing.
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3
A second, different quality
Delivery in one paragraph and judgement or generosity in the next gives a rounded picture. Two examples of the same trait do not.
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4
An honest calibration
Where they sit relative to others you have supervised, if you are willing to say. Readers discount uncalibrated praise heavily.
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5
A clear recommendation and a way to reach you
State the recommendation explicitly. Ambiguity at the end undoes specificity in the middle.
What goes wrong
- Writing only adjectives
Diligent, motivated, personable. These are unfalsifiable and readers skip them. One concrete story outweighs twenty of them.
- Damning with faint praise
A letter full of hedges reads as a polite refusal. If you would not write a strong letter, tell the person and let them ask someone else — that is the kinder outcome.
- Recommending outside what you saw
Do not vouch for skills you never observed. It is the fastest way to lose your own credibility with a reader who probes it.
- Including personal information that is not yours to share
Health, family circumstances, immigration status, age, religion, and similar details do not belong in a recommendation, even when meant kindly. They are irrelevant to the decision and in many places they are legally sensitive.
- Letting the person write it and signing it unread
If you accept a draft, edit it until it is genuinely yours. A letter you would not defend in a phone call is a letter you should not sign.
Worked example — an engineering manager recommending a direct report
The situation. Jonah Whitfield managed Aisha Bello for three years and is recommending her for a Staff Engineer role at another company. He wants the letter to be believable, which means giving one incident in enough detail that the reader can verify the shape of it in an interview.
Jonah Whitfield
Engineering Hiring Committee
Kestrel Health
Dear Hiring Committee,
I am writing to recommend Aisha Bello for the Staff Engineer position at Kestrel Health. I managed her directly for three years, the last two as her line manager, in my capacity as Director of Engineering at Halcyon Health.
Aisha Bello worked as Senior Backend Engineer on the payments team. The clearest example of what she brings is this. When our payment provider deprecated an API with six weeks’ notice, she scoped the migration herself, negotiated the sequencing with three product teams whose roadmaps it broke, and delivered it a week early with no customer-visible downtime. What made it work was that she spent the first two weeks on reconciliation tooling nobody asked for, so that when we cut over we could prove within an hour that no payment had been lost.
Separately, and without being asked, she rewrote our on-call runbooks after a bad incident and coached two junior engineers to the point where both could hold primary on-call. Our mean time to acknowledge halved over that period, and she was careful never to claim that as hers.
Of the roughly forty engineers I have managed at that level, she is among the two or three I would most want on a project that had already gone wrong.
I recommend Aisha Bello without reservation, and I would work with her again given the chance. I am happy to be contacted by email or phone if any further detail would be useful.
Why it works
- The first paragraph establishes exactly how long and in what capacity he knew her, so a reader can weight the rest.
- The main example survives scrutiny: a reader can ask Aisha about the reconciliation tooling in an interview and the answer will match.
- The second example shows a different quality — judgement and generosity — rather than repeating delivery.
- The comparison is bounded and quantified rather than superlative. “Among the two or three of forty” is checkable and therefore credible.
- Nothing appears about her circumstances outside work. That is deliberate.
This is the “Manager, full letter” option above, rendered through the same builder. Press Load the worked example to open it in the editor and edit it into your own.
Recommendation Letter Questions
How long should a recommendation letter be?
One page for an employment recommendation. Academic letters run longer, often a page and a half to two, because they are expected to cover intellectual work in more depth. Length without evidence does not help either way.
What if the person asks me for a letter and I cannot write a strong one?
Tell them directly and privately, before you write anything. Most people would far rather hear it from you than have a hedged letter go out under your name. It is an uncomfortable five minutes that saves them a bad outcome.
Should I let the person draft their own letter?
It is common, particularly for long academic letters where the referee needs reminding of specifics. If you do, rewrite it in your own voice and cut anything you would not say yourself. Signing an unedited draft is how implausible letters get produced.
Should it be on company letterhead?
Only if you are permitted to speak for your employer. If you are writing personally, use your own details and make clear you are writing in a personal capacity — and check your employer’s reference policy first.
Do I address it to a named person or “To Whom It May Concern”?
Use a name whenever one exists; it makes the letter concrete. “To Whom It May Concern” is acceptable for a general letter the person will send to several places, and is the one situation where that phrase still earns its keep.
What do I do if I am asked about weaknesses?
In a letter, you generally do not volunteer them. On a call, answer honestly but narrowly — one real, bounded development area, not a list. Silence when asked directly reads worse than a measured answer.
Other Letters You May Need
All free, all with the same live preview and download.
Give notice properly: five situations from full notice to immediate, with the contract questions you should settle in writing.
🤝 Reference RequestAsk a former manager, a professor or a colleague for a reference in a way that is easy to say yes to — and easy to decline.
📨 Interview Thank-You EmailFollow up while the decision is still open: same-day notes, final-round follow-ups, and the rejection reply that keeps the door open.
⚖️ Salary Negotiation LetterCounter an offer in writing without souring it: what to anchor on, what to ask for when money is fixed, and what not to bluff.
✅ Job Offer AcceptanceAccept properly: restate the terms you are accepting, and settle the start date before it becomes an argument.
🙏 Declining a Job OfferTurn one down without burning the bridge — three honest versions for the three reasons people actually decline.
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