01
Custom financial systems
ERPs, payables and receivables, cash flow, cost centers and reconciliation — modeled around your business rules.
Software house · Finance + AI
Business software that truly understands numbers.
We design and build custom financial, tax and accounting platforms — with artificial intelligence applied where it pays off: less manual work, better decisions.
- years of software engineering
- 19+ years of software engineering
- tailored to your operation
- 100% tailored to your operation
- applied to real processes
- AI applied to real processes
- privacy built into the architecture
- LGPD privacy built into the architecture
Technologies
PHP Laravel PostgreSQL React Supabase Python Node.js TypeScript pgvector LLMs n8n Docker Linux Cloudflare Open Finance NF-e · NFS-e · SPED
What we do
Engineering for the financial core of your company
From accounts payable to tax filing, we combine business domain expertise and technology to pull critical processes out of spreadsheets and rework.
02
Applied artificial intelligence
Agents, RAG assistants over your documents, automatic classification and insights generated from your own data.
03
Integrations & Open Finance
Banks, Pix, payment slips, Open Finance, accounting ERPs and government APIs connected into a single, auditable flow.
04
Tax & accounting automation
Electronic invoices (NF-e, NFS-e), SPED and compliance filings with automatic capture, validation and import. RPA for legacy systems.
05
SaaS, web & mobile
Digital products from scratch: multi-tenant platforms, client portals and apps, with architecture ready to scale.
06
Data & dashboards
Data pipelines, KPIs and executive dashboards that turn financial activity into decisions.
Solutions we have built
Software in production, solving real problems
A few of the systems we design and maintain for financial and accounting operations.
Platform 01
Accounting management portal
Client portal for accounting firms with dashboards, AI-generated insights, employee payslips and automatic import from the accounting ERP.
- React
- Supabase
- AI
Open Finance 02
Automated bank reconciliation
Transactions synced through Open Finance using a hybrid webhook + scheduled-job model, feeding daily bank reconciliation.
- Open Finance
- PostgreSQL
- Webhooks
Tax 03
National service-invoice capture
Automatic download of received service invoices (NFS-e) by company ID and period, straight from Brazil’s national data environment — no more manual portal work.
- NFS-e
- Digital certificate
- API
AI 04
Financial RAG assistant
An assistant that answers based on each client’s documents and data, with hybrid semantic + keyword search and full client isolation.
- pgvector
- LLM
- Hybrid search
Tax reform 05
Brazilian Tax Reform simulator
Compares the current tax burden with the new dual VAT (CBS + IBS + IS) year by year through the 2026–2033 transition, using XML and SPED data.
- SPED
- NF-e
- Dashboards
Automation 06
RPA for legacy systems
Bots that operate desktop systems with no API and securely expose their data to modern integrations.
- Python
- RPA
- Secure API
AI in practice
Artificial intelligence where it pays for itself
We don’t add AI for decoration. We apply language models and automation to the steps that consume the most hours of your team — with isolated data, traceability and humans in control.
-
Agents that run routines
Reconciliation, entry classification and checks performed by agents and reviewed by people.
-
Answers from your documents
RAG over contracts, invoices and reports, citing the source in every answer.
-
Natural-language insights
Dashboards that explain what changed in your results and why.
-
Privacy & governance
Per-client isolation, audit logs and LGPD/GDPR alignment.
~/reconciliation-agent
› 1,284 transactions imported via Open Finance
› 1,231 reconciled automatically
› 41 classified by AI · confidence > 95%
› 12 sent for human review
✓ Reconciliation finished in 38s
How we work
From discovery to a running system
- 01
Discovery
We dive into your operation and map processes, bottlenecks, and financial and tax rules.
- 02
Architecture & prototype
We define architecture and integrations and deliver a clickable prototype to validate early.
- 03
Delivery sprints
Short cycles with working software at every delivery and clear progress metrics.
- 04
Go-live & evolution
Assisted rollout, monitoring, support and continuous product improvement.
InnovativeConnectedVersatileCommittedChallengingCreative
About Algoritme
Technology that makes people’s lives simpler
Algoritme is a high-tech company focused on software, web, mobile and SaaS development. We deliver complete software development and support, guided by each client’s real needs — specializing in the financial, accounting and tax world.
Mission
To transform people’s lives through smart, easy solutions.
Vision
A reality where software brings more simplicity to people’s lives.
Values
- Freedom
- Trust
- Continuous improvement
- Happiness
- Collaboration
- Abundance
Let’s talk
Got a financial process that needs software?
Tell us about your challenge. We reply within one business day with next steps.
or reach us directly