Important Updates
Important Updates
November 7, 2025 | Mexico, PeruMexico/Peru: Suspension of Diplomatic Ties May Affect Immigration Processing
November 10, 2025 | New ZealandNew Zealand: Transition to National Occupation List for Work Visa Applications
November 7, 2025 | Canada Canada: New Measures Prioritize Graduate and Doctoral Student Recruitment
November 7, 2025 | CanadaCanada: Ontario Implements Key Reforms to the Immigrant Nominee Program
November 7, 2025 | CanadaCanada: Quebec’s 2026–2029 Immigration Plan Announced, with Key Program Measures and Updates
November 7, 2025 | Mexico, PeruMexico/Peru: Suspension of Diplomatic Ties May Affect Immigration Processing
November 10, 2025 | New ZealandNew Zealand: Transition to National Occupation List for Work Visa Applications
November 7, 2025 | Canada Canada: New Measures Prioritize Graduate and Doctoral Student Recruitment
November 7, 2025 | CanadaCanada: Ontario Implements Key Reforms to the Immigrant Nominee Program
November 7, 2025 | CanadaCanada: Quebec’s 2026–2029 Immigration Plan Announced, with Key Program Measures and Updates
November 7, 2025 | Mexico, PeruMexico/Peru: Suspension of Diplomatic Ties May Affect Immigration Processing
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Esteban Agüero Guier

Partner

Esteban Agüero Guier

Esteban Agüero Guier Guatemala City
Esteban Agüero Guier
  • People

Partner

Esteban Agüero Guier

Country / Territory

  • GuatemalaGuatemala

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Languages

  • English
  • Spanish

Contact information

Email

[email protected]

T:+502 2376 6530

Guatemala City

6ta avenida 12-24 zona 10, Edificio HQ Fontabella,

oficinas 906, nivel 9

Guatemala City

Guatemala

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Languages

  • English
  • Spanish

Contact information

Email

[email protected]

T:+502 2376 6530

Guatemala City

6ta avenida 12-24 zona 10, Edificio HQ Fontabella,

oficinas 906, nivel 9

Guatemala City

Guatemala

Connect via Linkedin

Get in touch

Languages

  • English
  • Spanish

Contact information

Email

[email protected]

T:+502 2376 6530

Guatemala City

6ta avenida 12-24 zona 10, Edificio HQ Fontabella,

oficinas 906, nivel 9

Guatemala City

Guatemala

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Esteban is a Partner of Centroamerica Immigration Services S.A. (Fragomen’s affiliate in Guatemala). He focuses on the development and enhancement of Fragomen’s immigration offering in Guatemala and the wider Central American region.

Esteban has experience advising multinational companies on corporate M&A transactions and matters related to international law. He is admitted to practice law in the state of New York.

Prior to joining Fragomen, Esteban served as a negotiator of international trade agreements for the government of Costa Rica. In this role, he actively participated in the negotiation of free trade agreements, such as those with the United States (DR-CAFTA), the European Union and China. For the government of Costa Rica, he also served as a director in charge of the implementation of DR-CAFTA and as director for international trade and disputes. He was appointed to serve in the roster of arbitrators for the free trade agreements that Costa Rica has in place with Mexico and Colombia.

Esteban speaks English and Spanish.

Education

  • Georgetown University, Master in International Law, 2006
  • University of Barcelona, Certificate in International Economic Relations and Regional Integration, 2004
  • University of Costa Rica, Licentiate Degree in Law, 2002

More from Esteban Agüero

Admissions

Bar Admissions: Costa Rica, New York

Awards

Recognized for several years in Chambers & Partners, Legal 500, Latin Lawyer, Who's Who Legal and Best Lawyers, across various areas of law, including corporate, international trade, dispute resolution, competition and public law.

Professional accomplishments

New York State Bar Association (NYSBA)

Member, Infocommunications Chamber of Costa Rica

Country / Territory

  • GuatemalaGuatemala

Get in touch

Languages

  • English
  • Spanish

Contact information

Email

[email protected]

T:+502 2376 6530

Guatemala City

6ta avenida 12-24 zona 10, Edificio HQ Fontabella,

oficinas 906, nivel 9

Guatemala City

Guatemala

Connect via Linkedin

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Get in touch

Languages

  • English
  • Spanish

Contact information

Email

[email protected]

T:+502 2376 6530

Guatemala City

6ta avenida 12-24 zona 10, Edificio HQ Fontabella,

oficinas 906, nivel 9

Guatemala City

Guatemala

Connect via Linkedin

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Get in touch

Languages

  • English
  • Spanish

Contact information

Email

[email protected]

T:+502 2376 6530

Guatemala City

6ta avenida 12-24 zona 10, Edificio HQ Fontabella,

oficinas 906, nivel 9

Guatemala City

Guatemala

Connect via Linkedin

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
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Learn more

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Fragomen Wins Altair Global’s 2025 Super Star Award for Humanitarian Commitment

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Fragomen is recognized at the National Tier 1 level for Immigration Law in the 2026 edition of The Best Law Firms – United States, with 15 offices across the country also recognized for their excellence in immigration law.

Learn more

Awards

Fragomen Wins Altair Global’s 2025 Super Star Award for Humanitarian Commitment

Fragomen receives Altair Global’s 2025 Super Star Award for Humanitarian Commitment, honoring the firm’s leadership in advancing humanitarian mobility initiatives.

Learn more

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Partner Rick Lamanna discusses Canada’s 2025 federal budget and its significant shift in immigration policy including new limits on international student permits and temporary residents.

Learn more

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Fragomen Cited in House of Lords Report on the Future of the UK Space Economy

Fragomen is cited in the UK House of Lords’ landmark report, “The Space Economy: Act Now or Lose Out,” published on 4 November by the UK Engagement with Space Committee.

Learn more

Blog post

Georgia Immigration Reform 2025: New Work Permit Rules for Foreign Nationals

Manager Zaur Gasimov discusses Georgia’s new immigration and labour-migration reforms introducing mandatory work permits, stricter employer compliance requirements and increased penalties for non-compliance.

Learn more

Awards

Senior Associate Agata Richardson Honored with Casa Cornelia Law Center Pro Bono Publico Award

Senior Associate Agata Danuta Richardson is recognized with a prestigious Pro Bono Publico Award by the Casa Cornelia Law Center.

Learn more

Media mentions

European Security & Technology Magazine: Die kritische Wachstumsbremse der europäischen Verteidigungsindustrie

Frankfurt Managing Partner Dr. Axel Boysen highlights the growing skilled labor gap as Europe’s defense industry expands.

Learn more

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Senior Manager William Diaz outlines the US visa options available to the games industry for bringing international talent to the United States, including O-1, L-1 and E-2.

Learn more

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Partner Jo Antoons and Manager Andreia Ghimis explain how businesses can navigate Europe’s new ETIAS pre-travel authorisation and avoid disruptions.

Learn more

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Learn more

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Associate Chloe Evans outlines eligibility criteria for individuals seeking British citizenship based on ancestral ties.

Learn more

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