💻 São Paulo · SP · Brazil Av. Paulista · Bela Vista · IT Services

ITSUPPORT.

Ltda CNPJ 48.278.835/0001-34

IT support, technical maintenance and technology services in São Paulo, SP — helpdesk, remote support, infrastructure maintenance, hardware and software services for businesses and organisations. Based at Av. Paulista. Invoice for every engagement, registered Ltda, ISS São Paulo compliant.

São Paulo, SP Av. Paulista Invoiced Ltda
Allan M. S. B. de Alvarenga — Services IT Support & Technical Services,
São Paulo, SP
Av. Paulista · Bela Vista · Registered Ltda
🖥️

Helpdesk & Support

Remote · on-site · ticket management

Core
🔧

Hardware Maintenance

Repair · upgrade · preventive maintenance

Maint.
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Network & Infrastructure

LAN · Wi-Fi · servers · cloud

SP
🔐

IT Security

Antivirus · backup · access control

NF
☁️

Cloud & SaaS

Microsoft 365 · Google Workspace · cloud setup

Ltda
São Paulo · SP · NF-e
SPSão Paulo
AVPAv. Paulista
NF-eEvery engagement
LtdaRegistered
Services

IT that
just
works.

Allan Mauricio Sanches Baptista de Alvarenga Ltda — IT support, maintenance and technical services in São Paulo, SP. Helpdesk, remote and on-site support, network infrastructure, hardware maintenance, IT security, cloud services and software support for businesses in SP. Invoice for every engagement, registered Ltda, ISS São Paulo and SEFAZ-SP compliant, LGPD-compliant in all client data handling.

🖥️

Helpdesk & Technical Support

Remote and on-site IT helpdesk for businesses in São Paulo — user support, incident resolution, software troubleshooting and first-line technical assistance with SLA-based response times and NF-e for every support engagement.

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Hardware Maintenance

Preventive and corrective maintenance for desktops, laptops, printers and peripherals — repairs, component replacement, performance upgrades and asset lifecycle management for businesses in SP. Invoice for every maintenance job.

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Network & Infrastructure

LAN, Wi-Fi network setup and maintenance, server administration, VPN configuration and cloud infrastructure management for businesses in São Paulo — with documentation and invoice for every infrastructure engagement.

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IT Security

Endpoint security, antivirus deployment, backup solutions, access control, password management and IT security assessments for businesses in SP — protecting infrastructure and data in compliance with LGPD security obligations.

☁️

Cloud & SaaS Support

Microsoft 365, Google Workspace, cloud migration and SaaS onboarding support for businesses in São Paulo — licencing, configuration, user training and ongoing cloud support with NF-e for every project.

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IT Consulting

IT strategy, technology audit, infrastructure planning and project management for small and medium businesses in SP — independent consultancy from a registered Ltda based at Av. Paulista, Bela Vista, São Paulo.

Allan Mauricio Sanches Baptista de Alvarenga Ltda · Av. Paulista · Bela Vista · São Paulo, SP

TECH
SP
ON.

A registered IT support and technical services company in São Paulo, SP — helpdesk, maintenance and infrastructure services for businesses across the city. Registered Ltda, invoice for every engagement, ISS São Paulo and SEFAZ-SP compliant, LGPD-compliant in all client and operational data handling.

SPSão Paulo
AVPAv. Paulista
NF-eEvery job
LtdaRegistered
About

Allan M. S. B.
de Alvarenga
Ltda.

Allan Mauricio Sanches Baptista de Alvarenga Ltda is a registered limited liability company (Ltda) providing IT support, maintenance and technology services, registered at Av. Paulista, 1106, Sala 01, 16° andar (virtual office), Bela Vista, São Paulo, SP. A formally registered IT services company, ISS São Paulo and SEFAZ-SP compliant, invoice for every engagement, LGPD-compliant in all client and operational data handling.

LtdaCNPJ 48.278.835/0001-34
Get a Quote
Why Choose

IT support
you can
invoice.

What Allan Mauricio Sanches Baptista de Alvarenga Ltda brings — invoice for every engagement, LGPD-compliant IT service delivery, accountability of a registered Ltda on Av. Paulista for every IT support project and every maintenance job performed.

🖥️

Remote & On-Site

Remote helpdesk for immediate first-line support and on-site visits for hardware, network and infrastructure work across São Paulo — a registered Ltda IT services provider based at Av. Paulista for clients across the city and SP region.

🏢

Registered Ltda

Allan Mauricio Sanches Baptista de Alvarenga Ltda, CNPJ 48.278.835/0001-34, invoice for every engagement — a registered limited liability company with full legal and fiscal accountability for every IT service delivered in São Paulo.

🧾

Invoice Every Job

NF-e or RPS for every support engagement, maintenance job and consulting project — ISS São Paulo and SEFAZ-SP correct. For companies that require formal IT service invoices for accounting, IRPJ/CSLL deduction or corporate IT expense documentation.

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LGPD in IT Services

When performing IT support, our technicians may access client systems containing personal data — all access is purpose-limited to the support task, logged, and governed by our LGPD data processing obligations and client confidentiality commitment.

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Av. Paulista · São Paulo

Registered at Av. Paulista, 1106, Bela Vista, São Paulo — Brazil's most prominent business address, serving companies across São Paulo's CBD, Paulista corridor and metropolitan area with IT support and technical services.

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Fast Response

Rapid remote support via WhatsApp and helpdesk ticket for urgent IT incidents — with agreed SLA response times and on-site escalation when remote resolution is not possible for businesses across São Paulo, SP.

Fix it.
Invoice
it.

Allan Mauricio Sanches Baptista de Alvarenga Ltda · CNPJ 48.278.835/0001-34 · Av. Paulista · São Paulo, SP

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Clients

Who trusts
their IT
to Allan.

"IT support and infrastructure maintenance for our company in São Paulo. The NF-e comes to our CNPJ with ISS São Paulo correctly applied — exactly what our finance team and accountant require for IT service expenditure deduction. When I asked about LGPD and access to our systems during remote support, Allan explained the access logging practices clearly. A registered Ltda IT provider on Av. Paulista with the fiscal formality that corporate IT buyers require."

Fabiana C.

CFO · Company · São Paulo, SP

"Network setup and Microsoft 365 migration for our law firm in Bela Vista. The NF-e for the project came correctly itemised for our accounting. When we asked about LGPD compliance during the migration — access to client files on our server — Allan provided a written data processing record before starting work. A technically competent and legally aware IT Ltda in São Paulo that understands the obligations of working with sensitive professional data."

Roberto N.

Managing Partner · Law Firm · Bela Vista, SP

"Monthly IT support retainer for our office on Av. Paulista. The NF-e arrives every month with ISS São Paulo applied correctly and all jobs itemised. Remote support resolves most incidents within hours. A registered IT support Ltda based at Av. Paulista that delivers professional IT service with the fiscal documentation and LGPD awareness that a serious São Paulo business requires from its IT partner."

Luciana M.

Operations Manager · Company · Av. Paulista, SP

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Tell us about
your IT
needs.

Describe your IT environment and what you need — support type, company size and urgency. We respond with a proposal and quote.

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Registered Address

Av. Paulista, 1106 — Sala 01, 16° andar
Bela Vista · São Paulo — SP
CEP 01310-914 · Brazil
(Virtual office — services delivered on-site and remotely)

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WhatsApp

+55 (11) 9 0000-0000

✉️

Email

contact@allanmsbdalvarenga.com.br

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Hours

Mon–Fri: 08:00–18:00
Urgent support: by arrangement

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CNPJ

48.278.835/0001-34