“30 other Ways to Sign a Letter on Behalf of Someone Else” (2026) (With Examples) helps improve professional correspondence with clear and polite sign-offs.
In every professional correspondence, each letter reflects your professional standards and your organization. When you sign a letter on behalf of someone else, you serve as a representative, authorized representative, agent, proxy, or signer with the right authorization, approval, permission, authority, or delegated authority. From my experience, using the correct signature, closing phrase, complimentary close, sign-off, or letter closing creates trust with the recipient while showing who the sender represents. This simple practice strengthens official communication, workplace communication, corporate communication, written communication, and every type of communication.
Whether you are writing a business letter, formal letter, or choosing an email closing, the right wording, phrase, professional tone, and formal tone can make your message stronger. Good business etiquette, etiquette, respect, and a respectful style leave a positive impression. I have also noticed that careful attention to behalf, someone else, endorsement, acknowledgment, documentation, the company, and the office helps prevent misunderstandings and keeps your writing clear.
What Does “Sign a Letter on Behalf of Someone Else” Mean?
Signing a letter on behalf of someone else means placing your signature or name on a document while representing another person who has authorized you to do so. This commonly happens when an executive, manager, director, or business owner is unavailable or has delegated the responsibility to an assistant or another trusted representative.
In professional settings, signing on someone else’s behalf demonstrates that the message has been approved or authorized, even though the individual did not personally sign it. It also shows accountability, transparency, and respect for business communication standards. Using the correct wording helps recipients understand exactly who prepared and authorized the correspondence.
CLICK HERE: 30 Other Ways to Say “It Means a Lot to Me” (With Examples)
Is It Professional/Polite to Sign a Letter on Behalf of Someone Else?
Yes—provided you have permission. Signing a letter on behalf of another person is both professional and polite when it is done with proper authorization. It is a standard practice in businesses, government offices, healthcare organizations, schools, and legal environments where assistants or representatives routinely handle official correspondence.
To avoid confusion, always use a recognized format that clearly indicates you’re signing for someone else rather than pretending to be them. This maintains honesty, professionalism, and trust, while ensuring the recipient understands the source and authority of the message.
Advantages and Disadvantages
Advantages
- Maintains business continuity when the primary signer is unavailable.
- Shows professionalism by clearly identifying the authorized representative.
- Saves valuable time for executives and managers.
- Ensures important communication is sent without unnecessary delays.
- Demonstrates proper delegation within an organization.
- Creates a clear record of who prepared and signed the correspondence.
Disadvantages
- Requires proper authorization before signing.
- May confuse recipients if the signature format isn’t clear.
- Some legal documents require the original person’s signature.
- Improper use can create legal or ethical concerns.
- Recipients may request confirmation from the original sender.
- Different organizations may follow different signing policies.
Complete List of 30 Ways to Sign a Letter on Behalf of Someone Else
- pp. (per procurationem)
- For and on behalf of
- On behalf of
- By authorization
- Authorized representative
- Signed for
- By direction
- Per authorization
- Acting on behalf of
- For
- With authorization from
- Authorized signatory
- On behalf and with permission
- Signed by authorized agent
- By delegated authority
- On instruction from
- As representative of
- For the office of
- Acting for
- By official authorization
- On behalf of the department
- With delegated authority
- Signed under authority
- On behalf of management
- Authorized to sign
- For the director
- For the manager
- On behalf of the executive team
- Authorized officer
- Duly authorized representative
1. pp. (per procurationem)
Meaning
pp. is a traditional abbreviation used to indicate that someone is signing a document for another person with their permission.
Definition
It is a formal business notation placed before the signature to show that the signer has been authorized to sign for another individual.
Detailed Explanation
The abbreviation comes from the Latin phrase per procurationem, meaning “through the agency of.” It is widely recognized in professional correspondence and remains a standard option in many organizations around the world.
Scenario Example
pp. Sarah Williams Michael Brown Managing Director
Best Use
Business letters, corporate correspondence, executive assistants, and official documents.
Tone
Highly formal, traditional, and professional.
2. For and on behalf of
Meaning
This phrase clearly states that the signer is representing another person or organization with proper authority.
Definition
It is a formal signing phrase used to show that the signature is made on behalf of someone who has approved or authorized the communication.
Detailed Explanation
“For and on behalf of” is commonly used in contracts, business letters, legal correspondence, and official agreements. It removes ambiguity by explicitly identifying that the signer is acting as an authorized representative rather than in a personal capacity.
Scenario Example
For and on behalf of ABC Corporation Emily Carter Executive Assistant
Best Use
Corporate letters, legal documents, contracts, executive correspondence, and official notices.
Tone
Very formal, authoritative, and professional.
3. On behalf of
Meaning
This phrase shows that you are communicating or signing as a representative of another person or organization.
Definition
It is a professional expression indicating that the signer has permission to act for someone else.
Detailed Explanation
“On behalf of” is one of the most common and universally accepted phrases in business communication. It makes it clear that the authority comes from another individual while keeping the message transparent and respectful.
Scenario Example
On behalf of Jennifer Lee David Morris Administrative Assistant
Best Use
Professional emails, formal letters, business announcements, and workplace communication.
Tone
Professional, respectful, and clear.
4. By authorization
Meaning
This phrase indicates that the signer has received official approval to sign the document.
Definition
A formal authorization statement confirming that the signature has been made with permission from the appropriate person.
Detailed Explanation
Using “By authorization” reassures the recipient that the communication has not been sent independently. Instead, it reflects an approved action taken according to organizational procedures.
Scenario Example
By authorization Sophia Evans Office Administrator
Best Use
Administrative correspondence, government letters, and internal business documents.
Tone
Formal, official, and dependable.
5. Authorized representative
Meaning
This title identifies the signer as someone officially empowered to act for another individual or organization.
Definition
A designation used by individuals who have been granted authority to represent another party.
Detailed Explanation
Rather than emphasizing the signature itself, this wording highlights the role of the individual signing. It is especially common in business transactions, regulatory forms, and official communications.
Scenario Example
James Wilson Authorized Representative
Best Use
Business forms, compliance documents, official letters, and company correspondence.
Tone
Professional, credible, and authoritative.
6. Signed for
Meaning
This phrase tells the reader that the document has been signed in place of another authorized person.
Definition
A simple and direct signing statement indicating that the signature was made on someone else’s behalf.
Detailed Explanation
“Signed for” is easy to understand and works well when the recipient already knows who the intended signer is. It is commonly used in routine office correspondence.
Scenario Example
Signed for Rebecca Turner Nathan Clark
Best Use
Routine office letters, internal communication, and administrative paperwork.
Tone
Clear, straightforward, and professional.
7. By direction
Meaning
This phrase indicates that the signer is acting according to instructions received from another person.
Definition
A formal statement confirming that the signature was made under someone’s direction.
Detailed Explanation
Organizations often use “By direction” when a senior official instructs an assistant or representative to sign correspondence. It emphasizes that the signer is following authorized instructions.
Scenario Example
By direction Laura Green Executive Secretary
Best Use
Government offices, educational institutions, healthcare organizations, and corporate administration.
Tone
Formal, respectful, and official.
8. Per authorization
Meaning
This phrase communicates that the signature has been made according to official authorization.
Definition
A business expression confirming that proper approval was obtained before signing.
Detailed Explanation
“Per authorization” is concise yet professional. It is especially useful when organizations have established procedures for delegated signatures.
Scenario Example
Per authorization Daniel Brooks Administrative Coordinator
Best Use
Internal memos, company letters, administrative documents, and formal correspondence.
Tone
Professional, concise, and reliable.
9. Acting on behalf of
Meaning
This phrase explains that the signer is temporarily representing another individual.
Definition
A professional expression used when someone performs duties or signs documents for another person.
Detailed Explanation
“Acting on behalf of” emphasizes representation rather than substitution. It works well whenever an assistant, deputy, or manager is handling communication for someone unavailable.
Scenario Example
Acting on behalf of Karen Phillips Olivia Scott Operations Coordinator
Best Use
Temporary representation, executive support, project management, and official correspondence.
Tone
Professional, courteous, and transparent.
10. For
Meaning
This simple word indicates that the signature is being made for another authorized individual.
Definition
A brief signing format used before the intended signer’s name to show representation.
Detailed Explanation
Although short, “For” is widely recognized in business writing. It should be used only when the context clearly identifies the person being represented and there is no possibility of confusion.
Scenario Example
For Michael Adams Rachel King Executive Assistant
Best Use
Internal correspondence, routine business letters, and executive office communication.
Tone
Simple, professional, and efficient.
11. With Authorization From
Meaning
“With Authorization From” shows that the person signing has received explicit permission from another individual to sign the letter on their behalf.
Definition
It is a formal signing phrase used to indicate that the signature is backed by official approval from the person named.
Detailed Explanation
This wording leaves little room for misunderstanding because it clearly states that the signer is acting under another person’s authority. It is especially useful when transparency is important and the recipient needs reassurance that the communication has been properly approved.
Scenario Example
With Authorization From John Anderson Emily Carter Office Administrator
Best Use
Executive correspondence, business approvals, and formal organizational letters.
Tone
Professional, trustworthy, and respectful.
12. Authorized Signatory
Meaning
“Authorized Signatory” identifies the signer as someone who is officially permitted to sign documents for an individual or organization.
Definition
A professional designation used to show that the person signing has legal or organizational authority.
Detailed Explanation
Many businesses, financial institutions, and government agencies appoint authorized signatories to handle official paperwork. Using this title demonstrates credibility and confirms that the signature is valid under company policies.
Scenario Example
Sarah Mitchell Authorized Signatory
Best Use
Contracts, banking documents, legal forms, and official business correspondence.
Tone
Formal, authoritative, and reliable.
13. On Behalf and With Permission
Meaning
This phrase emphasizes that the signer is acting for another person with their full consent.
Definition
A courteous signing statement that combines representation with clear authorization.
Detailed Explanation
Adding “with permission” strengthens the message by assuring the recipient that the original sender approved the communication. It works particularly well when dealing with external clients or partners.
Scenario Example
On Behalf and With Permission of Lisa Morgan Daniel White Administrative Assistant
Best Use
Client communication, partnership letters, and executive correspondence.
Tone
Warm, professional, and transparent.
14. Signed by Authorized Agent
Meaning
This phrase indicates that the document has been signed by an officially appointed representative.
Definition
A formal signing statement showing that the signer serves as an authorized agent for another person or organization.
Detailed Explanation
An authorized agent acts within the authority granted by another party. This wording is frequently used in legal, financial, and corporate settings where representation must be clearly identified.
Scenario Example
Signed by Authorized Agent Michael Turner
Best Use
Legal documents, contracts, financial agreements, and official paperwork.
Tone
Highly formal, official, and dependable.
15. By Delegated Authority
Meaning
This phrase tells readers that the signer has authority delegated by another individual.
Definition
A professional expression used when signing responsibilities have been formally assigned.
Detailed Explanation
Organizations often delegate signing authority to managers or assistants to improve efficiency. This wording highlights that the authority comes from an official delegation rather than personal decision-making.
Scenario Example
By Delegated Authority Rebecca Hall Executive Assistant
Best Use
Corporate offices, educational institutions, healthcare organizations, and government departments.
Tone
Professional, formal, and confident.
16. On Instruction From
Meaning
This phrase means the signer is carrying out specific instructions from another person.
Definition
A formal signing phrase indicating that the action has been directed by someone with authority.
Detailed Explanation
Rather than focusing on representation, this wording emphasizes that the signer is following direct instructions. It is particularly appropriate when the original signer is unavailable but has approved the communication.
Scenario Example
On Instruction From David Roberts Amanda Lewis
Best Use
Administrative notices, internal business letters, and executive communication.
Tone
Respectful, professional, and official.
17. As Representative Of
Meaning
This phrase shows that the signer is acting in an official representative capacity.
Definition
A professional expression used when someone represents another individual, department, or organization.
Detailed Explanation
“As Representative Of” clearly identifies the relationship between the signer and the person or organization being represented. It is useful whenever transparency and accountability are important.
Scenario Example
As Representative Of Global Solutions Ltd. Emma Brooks
Best Use
Corporate communication, public relations, and official announcements.
Tone
Professional, courteous, and clear.
18. For the Office Of
Meaning
This phrase indicates that the signer is writing on behalf of a particular office or position rather than an individual.
Definition
A formal signing statement used when correspondence comes from an office, department, or official role.
Detailed Explanation
Many organizations prefer this wording because it emphasizes continuity. Even if personnel change, the communication remains associated with the office rather than a specific person.
Scenario Example
For the Office of the Chief Executive Officer Olivia Green Executive Coordinator
Best Use
Government agencies, universities, hospitals, and large corporations.
Tone
Formal, institutional, and professional.
19. Acting For
Meaning
This phrase states that the signer is temporarily performing duties for another person.
Definition
A professional signing phrase used when someone assumes another person’s responsibilities for a limited time.
Detailed Explanation
“Acting For” is commonly used during vacations, business travel, or temporary absences. It helps recipients understand that the signer is serving in a temporary representative role.
Scenario Example
Acting For Jennifer Adams Christopher Lee
Best Use
Temporary management roles, executive support, and office administration.
Tone
Professional, straightforward, and respectful.
20. By Official Authorization
Meaning
This phrase confirms that the signature has been made under official approval.
Definition
A formal authorization statement used to demonstrate that proper organizational procedures have been followed.
Detailed Explanation
This wording reinforces the legitimacy of the signature and assures recipients that the document carries the necessary authority. It is especially valuable when handling important or sensitive correspondence.
Scenario Example
By Official Authorization Natalie Cooper Administrative Officer
Best Use
Official notices, legal correspondence, regulatory communication, and executive letters.
Tone
Highly professional, authoritative, and dependable.
21. On Behalf of the Department
Meaning
“On Behalf of the Department” indicates that the signer is representing an entire department rather than a single individual.
Definition
A professional signing phrase used when official communication is issued by a department through an authorized employee.
Detailed Explanation
This wording is common in organizations where departments communicate as a unit. It helps recipients understand that the message reflects the department’s position and has been approved through the appropriate channels.
Scenario Example
On Behalf of the Human Resources Department Emma Johnson HR Coordinator
Best Use
Department announcements, internal notices, policy updates, and organizational correspondence.
Tone
Professional, collaborative, and official.
22. With Delegated Authority
Meaning
“With Delegated Authority” shows that the signer has been officially granted the authority to sign on another person’s behalf.
Definition
A formal signing statement confirming that signing authority has been delegated according to organizational procedures.
Detailed Explanation
Many businesses delegate signing responsibilities to trusted employees. This phrase makes the delegation clear while reinforcing professionalism and accountability.
Scenario Example
With Delegated Authority Daniel Wilson Executive Assistant
Best Use
Corporate letters, executive correspondence, and administrative approvals.
Tone
Formal, confident, and trustworthy.
23. Signed Under Authority
Meaning
This phrase communicates that the signature has been made under the authority of another individual or organization.
Definition
A formal expression used to confirm that the signer is acting with proper authorization.
Detailed Explanation
“Signed Under Authority” is especially useful when recipients need reassurance that the communication is legitimate. It clearly distinguishes an authorized representative from the original signer.
Scenario Example
Signed Under Authority Sophia Martin Administrative Officer
Best Use
Legal correspondence, contracts, compliance documents, and official letters.
Tone
Professional, authoritative, and reliable.
24. On Behalf of Management
Meaning
This phrase indicates that the signer represents the company’s management team.
Definition
A professional signing format used when communicating decisions or information approved by management.
Detailed Explanation
Instead of naming one executive, this wording reflects that the communication comes from the organization’s leadership. It works particularly well for company-wide announcements.
Scenario Example
On Behalf of Management Olivia Brown Operations Coordinator
Best Use
Company announcements, employee communications, and policy updates.
Tone
Professional, respectful, and organizational.
25. Authorized to Sign
Meaning
“Authorized to Sign” confirms that the individual has official permission to sign the document.
Definition
A professional designation used to identify someone with approved signing authority.
Detailed Explanation
This straightforward wording is easy for recipients to understand. It demonstrates that the signature is valid and has been made according to company or organizational guidelines.
Scenario Example
James Carter Authorized to Sign
Best Use
Business agreements, administrative forms, financial documents, and official correspondence.
Tone
Professional, direct, and dependable.
26. For the Director
Meaning
This phrase tells the recipient that the signer is signing on behalf of the director.
Definition
A simple professional signing phrase indicating representation of a director or executive.
Detailed Explanation
“For the Director” is widely used by executive assistants and administrative staff. It clearly identifies whose authority supports the communication.
Scenario Example
For the Director Sarah Davis Executive Assistant
Best Use
Director correspondence, executive offices, and administrative communication.
Tone
Formal, courteous, and professional.
27. For the Manager
Meaning
This phrase means the signer is signing in place of the manager with authorization.
Definition
A professional signing statement used when a manager delegates signing responsibilities.
Detailed Explanation
This wording is common in everyday office communication. It keeps correspondence moving efficiently while maintaining transparency about who is signing.
Scenario Example
For the Manager Andrew Clark Office Administrator
Best Use
Routine business letters, internal communication, and customer correspondence.
Tone
Professional, simple, and respectful.
28. On Behalf of the Executive Team
Meaning
This phrase indicates that the signer is representing the organization’s executive leadership.
Definition
A formal signing phrase used for communications approved by the executive team.
Detailed Explanation
Rather than representing one executive, this wording reflects the collective approval of organizational leadership. It is frequently used in company-wide announcements and strategic communications.
Scenario Example
On Behalf of the Executive Team Emily Harris Chief of Staff
Best Use
Corporate announcements, strategic updates, and executive communications.
Tone
Professional, authoritative, and collaborative.
29. Authorized Officer
Meaning
“Authorized Officer” identifies the signer as an officer officially empowered to sign documents.
Definition
A professional title used to indicate official signing authority within an organization.
Detailed Explanation
This designation is widely recognized in financial institutions, corporations, nonprofit organizations, and government agencies. It assures recipients that the signer has the authority to execute official documents.
Scenario Example
Michael Thompson Authorized Officer
Best Use
Financial documents, legal forms, contracts, and official business correspondence.
Tone
Formal, credible, and authoritative.
30. Duly Authorized Representative
Meaning
“Duly Authorized Representative” states that the signer has been properly appointed to act for another person or organization.
Definition
A formal legal and business designation confirming that the signer possesses legitimate authority.
Detailed Explanation
This phrase is commonly used in contracts, regulatory filings, and legal documents where clear authorization is essential. It emphasizes compliance with official procedures and provides confidence to the recipient.
Scenario Example
Rachel Moore Duly Authorized Representative
Best Use
Legal agreements, contracts, government documents, compliance paperwork, and executive correspondence.
Tone
Highly formal, official, and authoritative.
FAQs
What does it mean to sign a letter on behalf of someone else?
Signing a letter on behalf of someone else means you are authorized to sign for another person, usually because they have given you permission or delegated that responsibility. This is common in business and professional settings.
Is it legal to sign a letter on behalf of someone else?
Yes, it can be legal when you have proper authorization. However, the rules may vary depending on your organization, the type of document, and local laws.
What is the correct way to sign on behalf of someone else?
A common method is to write the person’s name followed by your signature and an indication that you signed on their behalf, such as “pp” or “for.” Always follow your company’s preferred format.
Can I sign emails on behalf of someone else?
Yes. Many assistants, managers, and team members send emails on behalf of executives or colleagues. Make sure it is clear who the message is from and that you have permission to send it.
When should I avoid signing on behalf of someone else?
You should avoid signing if you do not have permission, if the document requires the person’s personal signature, or if company policy prohibits delegated signing.
What are the best letter closings when signing on behalf of someone else?
Professional closings such as Sincerely, Kind regards, Respectfully, Best regards, and Yours faithfully work well. Choose a closing that matches the tone of the message.
Why is the correct sign-off important?
A proper sign-off builds trust, prevents confusion, and shows professionalism. It also makes it clear that you are acting with the other person’s approval.
How can I make my letter look more professional?
Use a respectful tone, choose a suitable closing, proofread the message, and clearly indicate that you are signing on behalf of another person. Consistency with your organization’s writing style also helps.
Conclusion
Knowing how to sign a letter on behalf of someone else is an important professional skill. The right wording, proper authorization, and a respectful closing help your message appear clear, trustworthy, and professional. With these 30 Ways to Sign a Letter on Behalf of Someone Else (2026) (With Examples), you can confidently choose the best sign-off for business letters, formal correspondence, and professional emails while representing another person accurately and respectfully.
