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Technology Consulting · Enterprise Grade

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Services

From problem to ROI. No detours.

Three phases engineered so technology works for your numbers, not against them.

Needs Analysis

Deep diagnostic of your current tech stack. We identify redundancies, bottlenecks and automation opportunities with quantified ROI.

Tech auditGap analysisRoadmap
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Financial Viability

Business model before a single line of code. TCO projections, payback analysis and investment structure for funds and executives.

TCO / ROIDue diligenceBusiness case
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Strategic Implementation

Supervised technical execution, no surprises. Cloud-native architecture, legacy system integrations and organizational change management.

Cloud-nativeIntegrationChange management
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The Consultant

No code for sale. I build profitability.

Fidel Castillejos

Fidel Castillejos

Founder · Advisor · Consultant

I'm Fidel Castillejos. With more than 23 years of experience, I've advised over 550 companies, governments, brokerage firms, and banks. I'm the founder of Emex, an incubator that was once recognized as a High-Impact organization by Mexico’s Ministry of Economy, as well as several ventures in real estate, fintech, and consulting across Mexico and the United States.

"I understand technology from the investor's lens: technology shouldn't be a luxury. It should be your competitive advantage."

23+

Years

550+

Companies

MX · US

Markets

Empresas con las que he colaborado

IMSS
Danone
Burger King
Economía
Banco Azteca
Kuspit
Santander
DHL
PFP
CONACYT
GM
Ford
CEMEX
Chilim Balam
Pepsi
Pemex
IMSS
Danone
Burger King
Economía
Banco Azteca
Kuspit
Santander
DHL
PFP
CONACYT
GM
Ford
CEMEX
Chilim Balam
Pepsi
Pemex

Social Proof

What leaders say

Results measured in ROI, not presentations.

"Fidel successfully led an IT project at the IMSS. This project required the leadership and experience necessary to bring together the efforts of technical teams with diverse skill sets."

JV

José Luis Bustos Villegas

Expert in evidence‑based public policy.

"Fidel transformó nuestra visión de IA de un gasto opaco a una inversión medible. En 6 semanas teníamos ROI positivo. No habíamos logrado eso en dos años con equipos internos."

RM

Rodrigo Martínez

CEO, Startup Fintech Series A

"El análisis de viabilidad financiera que entregó bloqueó una inversión de $800K que hubiera sido un error. Ese sólo entregable pagó su honorario 40 veces."

AV

Alejandra Vidal

Socia, Fondo de Capital Privado

"Por primera vez tuvimos un consultor que habla igual de fluido con el equipo técnico y con la junta directiva. Ese puente es invaluable para empresas en crecimiento."

MR

Marcos Ríos

CTO, Empresa de Logística Enterprise

Take the next step

Your next move starts with
a single conversation.

30-minute diagnostic, no compromises. We identify your highest-leverage technology opportunity — free.

🔒NDA on request⚡Response in 24h🌎México · EE.UU.

Frequently Asked Questions

The real cost of enterprise AI implementation varies widely: from $15,000 USD for a targeted automation to $500,000+ for full transformations. The most common mistake is underestimating recurring operational costs (API tokens, model maintenance, retraining). A prior financial viability diagnostic can reduce risk by up to 70%.

TCO (Total Cost of Ownership) in tech projects includes licenses, cloud infrastructure, development, integration with existing systems, training and 3-5 year maintenance. Without this analysis, 67% of digital transformation projects exceed their initial budget.