Software, data & AI · Costa Rica
Websites and systemsdelivered on time.
Custom software, Power BI, automation and AI for companies in Costa Rica. Tell us which process or decision you want to improve; you get scope and price in writing, and progress every 72 hours.
Free 30-min call · fixed written scope and price · progress every 72 h in your portal · 30 days of support. Prefer the form?



What do you want to solve?Start with your category.
Each page shows real examples, what is and is not included, and a written scope and price before we start. Systems, automation, finance and AI also show the published price and a calculator with your numbers.
01 / Websites & systemsA website that sells and a system that organizes.
For operations that sell or manage online.
See websites & systems
02 / AutomationWhat someone repeats every week, done on its own.
For teams repeating tasks in Excel and email.
See automation
03 / Finance & dashboardsYour numbers up to date, without building the report by hand.
For managers deciding with several data sources.
See finance & dashboards
04 / AI & machine learningIntelligence for a specific task.
For one specific task, with human review.
See AI & machine learning
05 / MarketingHelp more people discover your business.
For shops and new businesses: it has its own page.
See marketing
Built,not imagined.
REAL CODE
Real screenshots, real code and figures computed from each repository. Nothing illustrated.
- 10real projects, each with a repository
- 697klines of code written
- 566commits over the last months
- 2,980automated tests
- 1,407API endpoints

Transporte Luz de Luna
Routes that learn from real traffic.
- Clarke-Wright + SISR optimizer with simulated annealing: tens of thousands of variants in about 3 s
- Traffic learned from completed trips and an on-time probability for every route
- Contracts with seat quotas protected by Postgres locks, per-km tariffs and settlements
Want something like this for your business? Message us and we reply on WhatsApp.
I want this · WhatsAppCode: src/lib/ruteo/confiabilidad.ts
Every image is a screen from a system that exists. Tap one to open it in the explorer.
Want something like this for your business? Tell us your case.
Message us on WhatsAppFigures computed from the repositories on 2026-10-28. Screenshots use demo data.Four commitments,in writing.
- 01
A free first 30-minute conversation
We understand your goal and how you work today. You leave with a recommendation even if you do not hire us.
- 02
Scope and fixed price in writing
What is included, what is not and how much it costs, before starting. No surprises at the end.
- 03
Progress every 72 hours in your client portal
Every client gets access to a portal with stages, progress, deliverables to approve, documents and meetings.
- 04
30 days of support after delivery
We fix defects within the delivered scope at no cost. After that, optional monthly support.
Published price.Written scope.
What you see is what it costs: every package has a fixed scope, timeline and price. Pick one and message us on WhatsApp with the text ready; if your case is different, tell us and we will put one together in writing.
Website with bookings
Most requestedTo sell and take bookings online, without relying on phone calls.
$570one-time + tax · ≈ ₡294 000
Delivery: 2–4 weeks
Up to 5 sections, 10 services and 1 calendar. Mobile design, email confirmation and basic administration.
With AI: $770 total · Optional support $30/month
I want it · WhatsAppIs it for you? See what is included and a real exampleCustom software
To organize a process with its own screens, roles and database.
$540one-time + tax · ≈ ₡278 000
Delivery: 4–6 weeks
1 process, up to 4 main screens, 2 roles, 5 users, a database and 1 report or export.
With AI: $1,620 total · Optional support $40/month
I want it · WhatsAppIs it for you? See what is included and a real exampleProcess automation
For repeated tasks across email, Excel and your systems.
$165one-time + tax · ≈ ₡85 000
Delivery: 1–3 weeks
1 workflow, up to 2 connectable systems, 1 trigger, up to 5 rules and 1 output. Logging and error alerts.
With AI: $560 total · Optional support $30/month
I want it · WhatsAppIs it for you? See what is included and a real exampleStarter dashboard
To stop building the report by hand every week.
$135one-time + tax · ≈ ₡70 000
Delivery: 1–2 weeks
1 structured source, 1 page, up to 5 indicators and filters. Documented manual refresh.
With AI: $270 total
I want it · WhatsAppIs it for you? See what is included and a real exampleManagement Power BI
For managers who decide with several data sources.
$240one-time + tax · ≈ ₡124 000
Delivery: 2–3 weeks
Up to 2 sources, 3 pages and 10 indicators. Publishing, feasible refresh and up to 2 access profiles.
With AI: $420 total
I want it · WhatsAppIs it for you? See what is included and a real exampleDocument AI assistant
To query your documents with AI and get referenced answers.
$420one-time + tax · ≈ ₡216 000
Delivery: 3–5 weeks
AI included. 1 use case and 1 internal interface. Up to 30 documents or 300 pages, whichever comes first.
Optional support $40/month
I want it · WhatsAppIs it for you? See what is included and a real exampleDon’t see your case? Tell us on WhatsApp and we’ll put one together · Prices in USD, tax excluded, colones for reference.
The peoplebehind it.
Five people, no middlemen. The person you talk to is the person doing the work; there is one point of contact, below.

Systems and automation
Jeyrell Tardencilla
Founder · Data & Automation
Designs the complete system: the data model, automation and tax logic that keep it running on its own.

Project management
Gianina Montero
Project Manager
Runs every project from start to finish, covering scope, timeline, priorities and risks so what we agree on is delivered on time.

Operations and clients
Catalina González
Operations & CX
Coordinates every delivery and client relationship, making sure updates arrive every 72 hours and nobody is left waiting.

Web development and deployment
Alex Benedict
Implementation
Builds and launches websites with booking, integrations with your systems and production deployment on your domain.

Social media and advertising
Hillary Porras
Community Manager
Manages your social media from start to finish: customer service, ad design, content creation and campaign tracking in Meta Ads.
Jeyrell designs the system, Gianina plans it, Catalina keeps operations on track, Alex builds it and Hillary shares it on social.
What we learned
building.
Guide + toolCompare two lists without false matches
Find missing references, different amounts and repeated keys with a free local comparison tool, synthetic CSV examples and a practical Excel and Power Query walkthrough.
Guide + toolStop duplicate actions when an automation retries
A practical guide and interactive lab for repeated requests, lost confirmations and changes that should never pass as a retry.

Human review that can change an AI answer
A practical way to give reviewers the evidence, time and authority to correct an AI draft before someone relies on it.
Before you write to us,
what people ask most.
Six short answers. If yours is not here, tell us your case and we answer it in the first conversation.
Tell us your case01What can JC Analytics build for my business?
We design websites and custom software with the backend, dashboards and integrations your business needs. We also work on financial analysis, Power BI, process automation, machine learning and digital marketing. Start with a specific business problem and we will help define the scope.
02How much does a custom website cost?
The website with bookings package costs US$570, or US$770 with the specified AI advisor. It includes up to 5 sections, 10 services and 1 calendar, with client-supplied content. Taxes, domain, hosting, usage and monthly support are separate. Larger projects and extras are quoted for the agreed scope.
03Can you improve a website or system I already use?
Yes. We review your existing website, data and tools to identify what can be improved or integrated. A new backend, dashboard or automation can be scoped around your existing operation.
04Do you work remotely and in English?
We are based in Costa Rica and can discuss your project in English or Spanish. We work remotely with businesses across Costa Rica. Tell us where your team is located so we can agree on communication and project logistics.
05How do you approach an AI integration?
We start with one practical use case, such as finding information in documents, classifying data or supporting your team. We assess the available data, integrations and validation criteria before agreeing on implementation.
06What happens after I contact you?
The first conversation is 30 minutes and free of charge. We discuss your goal, current process and priorities, then define the next step and a proposal with a clear scope. You can contact the team through WhatsApp or email.
Let’s talk.
Tell us your idea. In a free 30-minute conversation, we can understand your goal and work out where to start.





You’ll hear from
the team.
The people replying are the same people who will work with you.
Meet themWe reply within 24 hours.

