Every story begins with a decision.
Ours was to swim against the current.

Our story

  1. 01The origin
  2. 02The metaphor
  3. 03The leap
  4. 04Our waterfall
01 · The originA personal question.

KOI Legal wasn’t born in a boardroom or in a room full of suits. It was born from a far more personal question: who we were, what we wanted to build and how far we were willing to go to make it happen.

For years, we grew professionally within structures where talent was often measured in hours, deliverables and the ability to deliver under pressure.

We learned, took on responsibilities and worked on projects that made us better lawyers. But there came a moment when we realized something: we had grown used to swimming in a river that no longer felt like ours.

That was when we found the legend that inspires our name: KOI.

02 · The metaphorThe legend that gave us our name.

The KOI swims against the current and makes its way toward the waterfall. The journey demands strength, perseverance and determination; and, according to the legend, those who reach the other side are transformed into dragons.

The metaphor spoke to us immediately.

03 · The leapDaring to create something of our own.

We, too, had spent years learning, facing challenges and growing with every experience. Until the moment came to leave the familiar riverbed and dare to create something of our own. That leap was KOI Legal.

A firm born from the conviction that law can be far more than a response when a problem arises. It can give a company solid footing, protect what someone has built, bring clarity to an important decision and create the legal conditions needed to keep moving forward.

That is why we decided to build KOI differently: without pretension or unnecessary structures; with closeness, clarity, strategy and a genuine commitment to every company, project and decision our clients place in our hands.

Because we know what it means to bet on something of your own. We know what it takes to make important decisions even in the face of uncertainty. And we know that growth often demands the courage to move forward when the easiest path would be to stay where you are.

04 · Our waterfall

Today we stand by companies, business owners, SMEs, and domestic and foreign investors who are also climbing their own waterfall: creating, consolidating, growing and making decisions that can shape the future of their businesses and their wealth.

Our role is to give them the legal soundness, clarity and strategic vision they need so that legal uncertainty never holds back what they want to build or grow.

Because KOI was also born from that purpose: to stand by those who have decided not to stay where they are out of fear, but to move forward with the structure and security they need to discover how far they can go.

In the end, KOI Legal is much more than a name. It is a reminder of our own story and of the philosophy with which we choose to practice law: swimming against the current is not only about reaching the top. It is also about who you become along the way.

We chose to climb our own waterfall. Today we help others make their way toward theirs.

Two visions, one conviction: to challenge the status quo and build a new way of understanding law.

Our founders
Sebastián J. Gómez Mariscal
Founding Partner

Sebastián J. Gómez Mariscal

Master’s in Corporate, Real Estate
and Business Law.

With more than 15 years of professional experience, he has developed his practice in corporate, real estate and business law, participating in the structuring and execution of legal transactions for major business groups in the real estate, hospitality and commercial sectors.

His experience at firms and companies such as KPMG, Thor Urbana, RLH Properties and Ciudad Mayakoba has enabled him to consolidate a strategic vision of the law, combining legal rigor with a deep understanding of his clients’ commercial and operational needs.

His practice is distinguished by a preventive approach, close counsel and the pursuit of legal solutions that provide certainty, protect assets and support the growth of each business.

Juan Jesús Almanza Mata
Founding Partner

Juan Jesús Almanza Mata

Law Degree in Corporate and Real Estate Law

With more than 10 years of professional experience, he has developed his legal practice in the areas of civil, commercial and corporate law, building experience that spans both the judicial sphere and business legal counsel.

Throughout his career, he has been part of organizations and institutions such as Servicios de Personal y Consultoría M&L (SEPECO), the Judiciary of Mexico City (Poder Judicial de la CDMX, PJCDMX), particularly at the 56th Civil Court of First Instance (Juzgado 56 de lo Civil de Primera Instancia), PAV Medical, EOS and Ciudad Mayakoba. This background has enabled him to develop a multidisciplinary legal vision, integrating his knowledge of judicial proceedings with corporate practice and the needs of the business sector.

His professional practice is distinguished by an analytical, preventive and results-oriented approach, prioritizing legal certainty, the anticipation of contingencies and the implementation of solutions that protect his clients’ interests and contribute to the development of their business projects.

Our essence

Purpose

KOI Legal exists to stand by those who dare to create and grow a company, giving them the legal structure, protection and clarity they need to move forward with greater security and confidence.

Because behind every company, every project and every decision there is someone betting on something they love; and if our work can help protect it, strengthen it and see it go further, then KOI will have fulfilled its purpose too.

  • Loyalty
  • Integrity
  • Commitment
  • Constant evolution
  • Strategic vision
1

Our values

What guides every decision.

Five principles that shape the way we work.

Loyalty

We protect the interests and the trust our clients place in us. We become genuinely involved in their projects, safeguarding their interests with discretion, honesty and a long-term view of the relationship.

Integrity

We do the right thing, even when no one is watching. We act with transparency, consistency and adherence to our principles, making sure every recommendation and every decision can be upheld with clarity and conviction.

Commitment

When we take on a project, we truly get involved. We don’t simply deliver documents or recommendations: we stand by our clients, follow through and approach every matter with dedication until it is properly executed and closed within the scope of our engagement.

Constant evolution

We believe that growing also means evolving. We keep learning, questioning, improving and developing new capabilities to be ready for our clients’ challenges and to keep moving forward alongside them.

Strategic vision

We look beyond the immediate problem. We analyze every decision in light of its legal, business and long-term implications, seeking not only to solve, but to help our clients move forward better.

It’s time to climb
your own waterfall.

Let’s move forward together