Is Thea Ballantyne-Osei a real person

No. She is invented for this page, and so are Ferrowick Home, Quillon Goods and Amberhurst Trading. Every figure was written to give the engine something to rank. Nobody applied with this letter.

Did the product really write this letter

Yes. The evidence list on this page was loaded through this page's own door, the optional contact name, title and company city were typed into the fields Details & drafting asks for, and Write the letter was pressed. The reply is printed above unchanged, blocks and all. The engine reports its own provenance: six requirements read in the posting, seventeen evidence lines offered, nine sentences traced to a numbered line of them, ten written from named connective patterns, one gap, no model.

Why is Salesforce the only gap

The gap the engine printed is Salesforce Marketing Cloud, and it is the only requirement in the posting that the engine recognised as a skill and could not find anywhere in the evidence. Retail media is named in the posting too, the matcher does not hold it as a skill, so it never became a gap. Six requirements were read in all, and that count is printed beside the gap, because a gap list is only as good as the vocabulary behind it.

What does “Use this example” do

It opens the cover letter builder in Details & drafting with the role, the company, the posting and the four evidence groups already loaded. Three optional fields stay empty for you to fill: the contact's name, their title and the company city. No letter and no application record exists until you press Create new draft.

Should a marketing letter carry percentages

Carry the ones you can defend in a meeting. A 74% traffic rise over 18 months invites a question about the baseline, and a good answer to that question is most of an interview. A figure you cannot explain is worse than no figure.

Which design is this example in

Ledger, which sets a sender block, a recipient block and a footer. It is paired here with the Ledger résumé layout the matching marketing manager résumé example uses. That pairing is authored on these pages rather than built into the product, and the builder still opens whichever of the 12 letter designs you choose.

Example · Marketing

A free marketing manager cover letter, with the channel numbers it was built from

One marketing manager cover letter, printed exactly as the builder wrote it: sender block, date, recipient, subject, four paragraphs and a sign-off. The manager and the brand are invented. The letter, the tracing and the gap came out of the product.

ConxfolioPublished 2026-09-13 · updated 2026-09-14

— cost per acquisition beats every adjective.

The finished cover letter in the letter builder in the Ledger design: sender block, date, recipient block, subject line, salutation, four paragraphs and a sign-off — The letter this page quotes, on the letter builder in the Ledger design. The picture was taken by pressing this page's own door, typing the optional fields Details & drafting asks for, and pressing Create new draft.

Marketing applications are full of adjectives and short of arithmetic. This page runs the opposite experiment. The letter is real: the evidence below was loaded into the cover letter builder through this page's own door, and the whole business letter that came back is printed word for word.

Thea Ballantyne-Osei and Ferrowick Home are invented, and so are the employers in the evidence; the letter below is the builder's own output from that evidence, unchanged.

The role, and the evidence the letter may use

An invented person. Not a real document, and not yours.

The role
Marketing Manager · Ferrowick Home

The posting
Ferrowick Home is looking for a marketing manager to own acquisition across search, email and paid social. You will work with SEO, Google Analytics, HubSpot and content marketing, manage an agency and report on cost per acquisition to the board. Experience with Salesforce Marketing Cloud and with retail media is useful.

What the letter may claim

Grew organic search traffic by 74% in 18 months with a content programme of 90 articles.
Reduced cost per acquisition on paid social from 41 to 24 euro across two quarters.
Managed an agency relationship worth 320 000 euro a year and renegotiated the retainer down 15%.
Built the email programme to 118 000 subscribers and a 31% open rate.
Introduced weekly reporting in Google Analytics that the board now reads instead of the agency deck.

Where it happened

Marketing Manager · Quillon Goods · 2021 — present
Marketing Executive · Amberhurst Trading · 2017 — 2021

Skills it may name

SEO
content marketing
email marketing
Google Analytics
HubSpot
paid social
copywriting

The letter the builder wrote, in full

241 words in the direct voice. 9 of its 14 sentences quote a numbered line of Thea's evidence; the rest are the builder's own connecting sentences.

Thea Ballantyne-Osei
Marketing Manager
[email protected]
Dublin, Ireland

26 September 2026

Neve Corrigan
Head of Marketing
Ferrowick Home
Dublin

Re: Marketing Manager

Dear Neve Corrigan,

I'm applying for the Marketing Manager role at Ferrowick Home. Marketing manager with seven years in consumer brands, working on the channels that can be measured and the ones that cannot. You ask for Paid Media, and that is work I have already done: Reduced cost per acquisition on paid social from 41 to 24 euro across two quarters.

I have worked as Marketing Manager at Quillon Goods, 2021 — present. I have also worked as Marketing Executive at Amberhurst Trading, 2017 — 2021. I introduced weekly reporting in Google Analytics that the board now reads instead of the agency deck. Another: SEO, content marketing, email marketing, Google Analytics, HubSpot, paid social, copywriting. Alongside that, I grew organic search traffic by 74% in 18 months with a content programme of 90 articles.

I managed an agency relationship worth 320 000 euro a year and renegotiated the retainer down 15%. I also built the email programme to 118 000 subscribers and a 31% open rate. The posting asks for Paid Media, Google Analytics, SEO and HubSpot — all of which I've worked with directly. The posting also asks for Salesforce Marketing Cloud, which I have not used in these roles.

I would welcome the opportunity to discuss the role. Thank you for considering my application.

Sincerely,
Thea Ballantyne-Osei

The fifth sentence of the second paragraph is her skills line, printed whole under an example pattern because it is a list rather than a sentence the engine can put an "I" in front of. The last sentence of the third paragraph is the engine stating an absence, and the signature is her name, used only to sign.

How every letter on these pages is built from its evidence is set out in how our examples are made.

The Conxfolio cover letter builder on Details & drafting, opened by this page's own door, with the role Marketing Manager, the company Ferrowick Home, the posting and the four evidence groups loaded — Details & drafting holding Thea Ballantyne-Osei's evidence for this marketing manager post.

The same Details & drafting section on a 390 pixel phone screen, showing the role, the company and the posting loaded from the example — The marketing manager letter's details on a phone, before the letter was written.

Opening lines for a marketing manager cover letter

Three ways to start it:
“I'm applying for the Marketing Manager role at Ferrowick Home; in my current role I grew repeat purchase by a fifth without raising spend.”
“Your posting puts retention first, and that has been my main job since 2021.”
“I run lifecycle and paid media together, which is the mix your team describes.”

Any of them works with your own figure; the cover letter builder is free if you want a draft to react to.

Mistakes that sink a marketing manager cover letter

The first is a growth figure with no budget beside it, which reads as luck. The second is a list of channels with no results. The third is buzzwords about brand passion in place of a single campaign the reader can picture.

Name one campaign with its spend and result, and one line on the team you worked with. The tailoring guide shows how to match the posting.

What it refused to claim

One gap came back: Salesforce Marketing Cloud. The posting mentions it, nothing in the evidence supports it, so the letter is silent about it apart from the sentence naming it as unused. Thea uses HubSpot, and the engine does not offer HubSpot as near enough. Retail media, also named in the posting, never appeared at all, because the matcher does not hold it as a skill. The gaps list reports what it can see, which is worth knowing before you treat it as complete.

There is no language model behind any of this. The reason a letter claims only what the document shows is the design, rather than a limitation.

What a marketing letter has to prove

That you can be held to a number. Channel, direction, size, period: cost per acquisition from 41 to 24 across two quarters is all four in nine words. A board hires on that sentence and interviews on the reasoning behind it.

The second thing is the money you have held. An agency worth 320 000 euro a year and a retainer renegotiated down 15% describes a level of trust that no adjective conveys, and it is in the third paragraph above, under the sentence about the rest of the record. Reading your own gaps list is the habit that makes the second application faster.

Open it on Details & drafting

Loads Thea's role, company, posting and evidence into the cover letter builder in the Ledger design. Nothing is written until you press Create new draft. Free, no account.

Use this example See the letter designs

Questions

Is Thea Ballantyne-Osei a real person: No. She is invented for this page, and so are Ferrowick Home, Quillon Goods and Amberhurst Trading. Every figure was written to give the engine something to rank. Nobody applied with this letter.
Did the product really write this letter: Yes. The evidence list on this page was loaded through this page's own door, the optional contact name, title and company city were typed into the fields Details & drafting asks for, and Write the letter was pressed. The reply is printed above unchanged, blocks and all. The engine reports its own provenance: six requirements read in the posting, seventeen evidence lines offered, nine sentences traced to a numbered line of them, ten written from named connective patterns, one gap, no model.
Why is Salesforce the only gap: The gap the engine printed is Salesforce Marketing Cloud, and it is the only requirement in the posting that the engine recognised as a skill and could not find anywhere in the evidence. Retail media is named in the posting too, the matcher does not hold it as a skill, so it never became a gap. Six requirements were read in all, and that count is printed beside the gap, because a gap list is only as good as the vocabulary behind it.
What does “Use this example” do: It opens the cover letter builder in Details & drafting with the role, the company, the posting and the four evidence groups already loaded. Three optional fields stay empty for you to fill: the contact's name, their title and the company city. No letter and no application record exists until you press Create new draft.
Should a marketing letter carry percentages: Carry the ones you can defend in a meeting. A 74% traffic rise over 18 months invites a question about the baseline, and a good answer to that question is most of an interview. A figure you cannot explain is worse than no figure.
Which design is this example in: Ledger, which sets a sender block, a recipient block and a footer. It is paired here with the Ledger résumé layout the matching marketing manager résumé example uses. That pairing is authored on these pages rather than built into the product, and the builder still opens whichever of the 12 letter designs you choose.

Conxfolio is a free set of four career tools: a résumé builder with 37 rendered layouts, an ATS résumé checker that prints its own arithmetic, a cover letter builder that traces every proof paragraph back to the line it came from, and a portfolio builder with 22 authored designs. There is no account to create, nothing is held back for a paid plan, and no language model is used anywhere in the product, so the readers, the score and the letter are deterministic code you can check.