Insights

Growth Opportunity Mid-sized mental health care provider with a broad service scope including adolescents, adults, couples, families, and groups presents cross-sell potential for expanding digital health offerings, teletherapy platforms, and data analytics to optimize patient outcomes.

Tech Modernization Active yet modest tech stack (WordPress, Cloudflare, Nginx, WhatsApp Business) indicates openness to scalable, compliant digital infrastructure enhancements such as secure messaging, AI-assisted scheduling, and patient engagement tools.

Operations Scale Having 1001-5000 employees signals capability for enterprise-grade EHR integrations, practice management software, and backend automation to improve appointment throughput, billing accuracy, and outcome tracking.

Revenue Readiness Revenue range of 500M to 1B suggests budget for larger IT projects, potential for partnerships around cloud hosting, data security, compliance, and performance optimization for growing clinical operations.

Market Position Longstanding presence since 1984 with a dedicated site and extensive service pages implies established trust; opportunities exist to offer scalable training, telehealth expansion, and patient experience enhancements to strengthen competitive differentiation.

Office Tech Stack

Office uses 8 technology products and services including Cloudflare, WordPress, Google Fonts API, and more. Explore Office's tech stack below.

  • Cloudflare
    Content Management System
  • WordPress
    Content Management System
  • Google Fonts API
    Font Scripts
  • jQuery Migrate
    Javascript Libraries
  • WhatsApp Business
    Live Chat
  • Priority Hints
    Performance
  • Gutenberg
    Web Platform Extensions
  • Nginx
    Web Servers

Media & News

Office's Email Address Formats

Office uses at least 1 format(s):
Office Email FormatsExamplePercentage
First.Last@olgatessari.comJohn.Doe@olgatessari.com
90%
First@olgatessari.comJohn@olgatessari.com
8%
FirstLast@olgatessari.comJohnDoe@olgatessari.com
1%
LastFir@olgatessari.comDoeJoh@olgatessari.com
1%

Frequently Asked Questions

Where is Office's headquarters located?

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Office's main headquarters is located at 1810 r Costa Aguiar São Paulo, São Paulo 04204-002 Brazil. The company has employees across 6 continents, including AsiaNorth AmericaEurope.

What is Office's stock symbol?

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Office is a publicly traded company; the company's stock symbol is CIO.

What is Office's official website and social media links?

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Office's official website is olgatessari.com and has social profiles on LinkedIn.

What is Office's NAICS code?

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Office's NAICS code is 62133 - Offices of Mental Health Practitioners (except Physicians).

How many employees does Office have currently?

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As of June 2026, Office has approximately 2K employees across 6 continents, including AsiaNorth AmericaEurope. Key team members include Chief Executive Officer: P. F.Chief Executive Officer: C. S.Chief Executive: B. A.. Explore Office's employee directory with LeadIQ.

What industry does Office belong to?

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Office operates in the Mental Health Care industry.

What technology does Office use?

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Office's tech stack includes CloudflareWordPressGoogle Fonts APIjQuery MigrateWhatsApp BusinessPriority HintsGutenbergNginx.

What is Office's email format?

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Office's email format typically follows the pattern of First.Last@olgatessari.com. Find more Office email formats with LeadIQ.

When was Office founded?

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Office was founded in 1984.
Office logo

Office

Mental Health CareSão Paulo, Brazil1001-5000 Employees

Office is a mental health care company based in São Paulo, Brazil, with a location at 1810 r Costa Aguiar, São Paulo, 04204-002. It employs between 1,001 and 5,000 people. The organization includes a psychology practice associated with Olga Tessari that has existed since 1984 and offers services for adolescents, adults, couples, parents, groups, and families. The company maintains a website at https://olgatessari.com and utilizes a technology stack that includes Cloudflare, WordPress, Google Fonts API, jQuery Migrate, WhatsApp Business, Priority Hints, Gutenberg, and Nginx. The description notes that courses and lectures are developed to meet client requests, and that the site features extensive information described as more than 600 pages.

Section iconCompany Overview

Headquarters
1810 r Costa Aguiar São Paulo, São Paulo 04204-002 Brazil
Stock Symbol
CIO
NAICS Code
62133 - Offices of Mental Health Practitioners (except Physicians)
Founded
1984
Employees
1001-5000

Section iconFunding & Financials

  • $500M$1B

    Office's revenue is estimated to be in the range of $500M$1B

Section iconFunding & Financials

  • $500M$1B

    Office's revenue is estimated to be in the range of $500M$1B

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