Miguel Ángel Márquez Serrano abogados S.A.S
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Focusing exclusively on labour and social security law, Miguel Ángel Márquez Serrano abogados S.A.S stands out for the ‘speed and effectiveness of its response’. Offering dedicated services in consulting, training, collective negotiations and litigation, the team is noted for its focus on clients in Colombia’s eastern regions (particularly Santander), though it remains active nationwide. Key contacts include firm founder Miguel Ángel Márquez, who is highlighted as an ’excellent lawyer’; Fabian Ospina, who leads the litigation practice; and supporting associate Daniela Barón.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘We highlight the team for its timely handling of legal proceedings and commitment to the process. Lawyers are quick to resolving issues when handling legal proceedings.’
‘It provides up-to-date advice and supports with the different processes of our company.’
Key clients
- <p>Acueducto Metropolitano de Bucaramanga (AMB)</p>
- <p>Supermercados Más por Menos</p>
Work highlights
Represented AMB – Acueducto Metropolitano de Bucaramanga in a collective negotiation process.


