Writing a formal email in Spanish: openings, closings and the whole body, in Mexico, Spain, Colombia and Argentina
Speaking Spanish badly is forgiven. Writing it badly is read twice. In a formal email in Spanish you are more ceremonious than in the English one you would send for the same thing, you use usted almost without exception, and you rely on a small set of fixed phrases that every Spanish speaker recognises. Below: the openings, the body, the closings and two complete examples, with what people in Mexico, Spain, Colombia and Argentina do differently.
The shape of the email
A formal Spanish email has five parts, in this order.
- Asunto (subject), short and specific.
- The opening line, followed by a colon.
- One sentence saying why you are writing.
- The request or the facts.
- A closing formula and your name.
The colon is the part learners get wrong. In Spanish letters and formal emails, the greeting ends with a colon, not a comma: Estimado señor Pérez: and then the next line starts with a capital. A comma is now common in relaxed email, especially in Spain, but the colon is never wrong.
Openings
| You want to say | Spanish | Notes |
|---|---|---|
| Dear Mr Pérez | Estimado señor Pérez: | The default formal opening everywhere |
| Dear Mrs / Ms Ruiz | Estimada señora Ruiz: | Señorita is dated and best avoided |
| Dear Sir or Madam | Estimado señor / Estimada señora: | When you know the sex but not the name |
| To whom it may concern | A quien corresponda: | Everywhere, and most common in Mexico, Colombia and Argentina |
| Good morning | Buenos días: | Fine on its own as the whole opening |
| Hello, good morning | Hola, buenos días: | Semi-formal, a small company, a landlord |
| Dear Dr Molina | Estimado doctor Molina: | Title in full, lower case, before the surname |
| Greetings | Cordial saludo: | Colombia, extremely common as the opening line |
Muy señor mío is the old commercial opening in Spain, with Muy señores míos for a company. It is correct and it is dated. You still see it on bank letters and insurance claims, and a person under fifty writing to a landlord would not use it. Estimado señor: is the safe choice.
Use the first surname, not both: a man called Carlos Ramírez Ortega is señor Ramírez.
Titles by country
| Mexico | Spain | Colombia | Argentina | |
|---|---|---|---|---|
| Professional titles in the greeting | Very common: Estimado Lic. Herrera:, Ing. Salas, Arq. Ríos, Mtro. | Rare outside academia and medicine; Dr. and Prof. only | Common: Dr., Ing., and Doctor used loosely as a courtesy | Uncommon; Dr. and Lic. in law and medicine |
| Default to a stranger | usted | usted, then often tú by the second email | usted, and it stays usted | usted, then often vos once you have spoken |
Licenciado, abbreviated Lic., means a university graduate and in Mexico it is used as a form of address on its own. In Colombia, doctor is used the same generous way for anyone in an office with authority.
Saying why you are writing
The first line of the body is a formula. Pick one and put your reason after it.
| You want to say | Spanish | Notes |
|---|---|---|
| I am writing to you regarding… | Me dirijo a usted para… | The most formal, and the standard opening to an official |
| I am writing to… | Le escribo para… | Neutral and good everywhere |
| The reason for this message is… | El motivo de este correo es… | Very common in Colombia and Mexico |
| I would like to request… | Quisiera solicitar… | |
| I am requesting… | Solicito… | Bare and official; right for a form or an authority |
| I would be grateful if you could… | Le agradecería que + subjunctive | Le agradecería que me confirmara la cita. |
| I would be grateful for… | Agradezco su… | Colombia, at the start of a request, not the end |
| In reply to your email of the 3rd… | En respuesta a su correo del 3 de septiembre… | |
| I attach… | Adjunto… or Le adjunto… | Adjunto el contrato firmado. |
| Attached you will find… | Adjunto encontrará… |
You will use two verbs more than any others. Solicitar is to request, and it is the verb of anything official: solicito una cita, solicito la baja del servicio, solicito una constancia. Agradecer is to thank, and Spanish speakers use it where English speakers would say “please”: le agradecería que me enviara la factura is a polite request, not a thank you.
Closings
| You want to say | Spanish | Where |
|---|---|---|
| Yours sincerely | Atentamente, | Everywhere, the safest formal closing |
| Kind regards | Un cordial saludo, | Spain above all |
| Best regards | Cordialmente, | Colombia and Mexico, standard in business |
| Regards | Un saludo, | Spain, semi-formal, very common in daily email |
| I look forward to your reply | Quedo a la espera de su respuesta. | Everywhere |
| I remain at your disposal | Quedo atento / atenta a sus comentarios. | Colombia above all, then Mexico |
| I am at your service | Quedo a sus órdenes. | Mexico |
| I will follow up | Quedo al pendiente. | Mexico |
| Nothing further | Sin otro particular, reciba un cordial saludo. | Spain, the classic full-formal sign-off |
The line before the closing matters. Quedo a la espera de su respuesta means you expect an answer and it is not rude. Quedo atenta a sus comentarios, from a woman, is the everyday Colombian sign-off and sounds warm. Quedo al pendiente is Mexican and means you will keep an eye on it.
Sign with your full name on the line under the closing, and under that whatever identifies you to the office: the flat number, the contract number, the DNI in Spain and Argentina, the cédula in Colombia, the RFC or CURP in Mexico. The clerk answers faster when the file is easy to find.
Tú, usted and vos in writing
Write usted the first time, to everyone, in all four countries. What changes is how fast it drops.
| Mexico | Spain | Colombia | Argentina | |
|---|---|---|---|---|
| First email to a stranger | usted | usted, and tú is normal to a small business | usted | usted |
| After they reply informally | Stays usted with officials, tú with peers | Switches to tú quickly | Stays usted, often for years | Switches to vos |
| To a landlord | usted | usted first, then tú is common | usted | usted, then vos once you have met |
| To a doctor’s office | usted | usted | usted | usted |
| To a public body | usted always | usted always | usted always | usted always |
Spain is the outlier in speed. A Spanish company may answer your usted with tú in the first line, and following them is correct. Colombia is the other end: usted is used between friends and inside families there, and you lose nothing by staying with it. In Argentina the informal written form is vos, so the friendly reply is ¿me podés confirmar? rather than ¿me puedes confirmar?, and both are understood.
Mixing is the real error. If you open with usted, keep every verb and every pronoun in usted to the end: le escribo, su respuesta, quedo a la espera de su llamada.
Subject lines
Short, specific, with the number that identifies you.
| Situation | Spanish subject |
|---|---|
| A request | Solicitud de cita, Ana Ward |
| A repair | Avería en la caldera, piso 3B, calle Goya 14 |
| A complaint | Reclamación pedido 48291 (Spain) / Reclamo pedido 48291 (Mexico, Colombia, Argentina) |
| A cancellation | Solicitud de baja del servicio, contrato 77120 |
| A follow-up | Seguimiento: solicitud del 3 de septiembre |
Asunto is the word for “subject”. If you are asked to write one inside the message, the line reads Asunto: solicitud de cita.
A complaint
| You want to say | Spanish | Notes |
|---|---|---|
| I wish to make a complaint | Deseo presentar una reclamación. (Spain) / Deseo presentar un reclamo. (Mexico, Colombia, Argentina) | The noun is the country marker |
| I am not satisfied with the service | No estoy conforme con el servicio. | |
| I request a refund | Solicito el reembolso. / Solicito la devolución del importe. (Spain) | |
| I will take it further | De lo contrario, me veré obligado a acudir a Consumo. (Spain) | Say this only if you mean it |
In Spain, every shop and bar has to hold an official complaint form, the hoja de reclamaciones, and if you ask for it by name, the temperature of the conversation changes. In Colombia, a written complaint to a company is a PQR, petición, queja o reclamo, and companies have inboxes with that label; if you name it, your email goes to the right desk. In Mexico the consumer body is Profeco and in Argentina it is Defensa del Consumidor. Mention them only when you are actually prepared to file.
A cancellation
| You want to say | Spanish | Notes |
|---|---|---|
| I wish to cancel the service | Solicito la baja del servicio. | Spain and Argentina; dar de baja is the verb |
| I wish to cancel my contract | Solicito la cancelación de mi contrato. | Mexico, Colombia |
| From the end of the month | A partir del fin de mes. | |
| Please confirm the cancellation in writing | Le agradecería la confirmación por escrito. | Ask for this every time |
Dar de baja is the usual verb in Spain and Argentina for ending a service: quiero dar de baja la línea. In Mexico and Colombia cancelar is more usual. Careful with cancelar in one direction: across Latin America cancelar also means to pay off, as in cancelar la deuda, so a bank may read cancelar la cuenta as settling it rather than closing it. Cerrar la cuenta is clearer for a bank account.
A follow-up
| You want to say | Spanish | Notes |
|---|---|---|
| Following up on my email of the 3rd | Doy seguimiento a mi correo del 3 de septiembre. | Mexico, Colombia |
| Following up on my email | Retomo mi correo anterior. | Everywhere |
| I repeat my request | Le reitero mi solicitud. | Firm and correct |
| Please let me know who handles this | Le agradecería que me indicara a quién debo dirigirme. | The most useful sentence in this section |
A follow-up after a week is normal in all four countries. August in Spain and January in Argentina are holiday months when offices run on half staff, so silence then is not a refusal.
What the reply will look like
| What you read | What it means |
|---|---|
| Acusamos recibo de su correo. | We acknowledge your email. Nothing has happened yet |
| Le informamos que… | We are telling you the decision |
| En atención a su solicitud… | Regarding your request, and usually the answer follows |
| Quedamos atentos a cualquier inquietud. | Colombia. Any further questions, write back. Inquietud means query here, not anxiety |
| Su solicitud ha sido denegada. | Refused. Ask for the reason and the appeal route |
| Quedamos a sus órdenes. | Mexico. At your service, a closing, not an offer |
| Sin otro particular, reciba un cordial saludo. | Spain. The email is over |
Example: to a landlord about a repair
Asunto: avería en la caldera, piso 3B, calle Goya 14
Estimado señor Ramírez:
Me dirijo a usted como inquilino del piso 3B de la calle Goya 14. Desde el martes 15 de septiembre la caldera no calienta el agua. He revisado la presión y el termostato y el problema continúa.
Le agradecería que enviara a un técnico esta semana. Estoy disponible por las mañanas y puedo dar acceso a la vivienda.
Adjunto una foto del display de la caldera con el código de error.
Quedo a la espera de su respuesta.
Atentamente, Ana Ward Piso 3B, calle Goya 14 Tel. 600 123 456
That is Spain. For Mexico, Colombia or Argentina, change el piso to el departamento (Mexico, Argentina) or el apartamento (Colombia), and la avería to la falla, which is what people in the other three countries say first.
Example: a complaint to a company
Asunto: reclamo pedido 48291, cobro duplicado
Estimados señores:
El motivo de este correo es presentar un reclamo por el pedido 48291, realizado el 4 de septiembre.
Se me cobró dos veces el mismo importe, 1,240 pesos, los días 4 y 5 de septiembre. Adjunto los dos comprobantes y la confirmación del pedido.
Solicito el reembolso del cobro duplicado y la confirmación por escrito del plazo de devolución.
Agradezco su atención y quedo atenta a su respuesta.
Cordialmente, Ana Ward Cliente 77120
In Spain you would write reclamación instead of reclamo in the same email, and the closing would more often be Un cordial saludo. The number is written 1.240 in Spain, Colombia and Argentina, with a full stop as the thousands separator, and 1,240 in Mexico.
Ten sentences you can say tomorrow
- Me dirijo a usted para solicitar una cita. I am writing to request an appointment.
- El motivo de este correo es presentar un reclamo. The reason for this email is to make a complaint. (Mexico, Colombia, Argentina)
- Adjunto el contrato firmado y una copia del DNI. I attach the signed contract and a copy of my ID. (Spain, Argentina)
- Le agradecería que me confirmara la fecha. I would be grateful if you could confirm the date.
- Quedo a la espera de su respuesta. I look forward to your reply.
- Solicito la baja del servicio a partir del fin de mes. I request cancellation of the service from the end of the month. (Spain, Argentina)
- Doy seguimiento a mi correo del 3 de septiembre. Following up on my email of 3 September. (Mexico, Colombia)
- Sin otro particular, reciba un cordial saludo. Nothing further, kind regards. (Spain)
- Quedo atenta a sus comentarios. I look forward to hearing from you. (Colombia)
- Le agradecería que me indicara a quién debo dirigirme. I would be grateful if you could tell me who I should contact.
Questions people ask
Do I use a colon or a comma after the greeting? A colon in formal Spanish, and it is never wrong. The comma has arrived through English and is now normal in everyday email, especially in Spain. Either way, start the next line with a capital letter.
Is “Estimado” too stiff? No. Estimado is the neutral formal opening in all four countries and nobody reads it as cold. Querido is for people you actually know and is wrong in a business email.
What if I do not know if it is a man or a woman? Write Estimado/a with the slash, or skip the problem with Buenos días: or A quien corresponda:. Given names are not always a reliable guide.
Should I write the accents? Yes. People read a formal email without accents and without ñ as careless, in exactly the way English speakers read a missing apostrophe. Every phone and laptop can type them.
How do I write the date? Day first: 3 de septiembre de 2026, months in lower case. In digits, 3/9/2026 in all four countries, which is the opposite of the American order.
Is “usted” plural “ustedes” in the email? Yes, when you are writing to a company rather than a person: les escribo, su empresa, quedo a la espera de su respuesta. Spain also has vosotros, but not in a formal email.
Practise these words
estimado, asunto, solicitar, adjuntar, agradecer, dirigirse, respuesta, reclamo, baja, seguimiento, trámite, atentamente, cordial. Vozelu is a free website for practising Spanish, and it has each of these. You see a sentence with one word missing, you type the word, and a native voice reads the sentence back. Practise the words on this page.