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Accounting Firm

Grupo Mary

Campinas accounting firm providing accounting, tax and payroll services and company registration for local businesses

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About Grupo Mary

In Campinas, Brazil, Grupo Mary is an accounting office serving small and medium-sized businesses across the state of São Paulo, with most of its clients in the Campinas metropolitan region. The firm reports 37 years of experience in the accounting market, and it works across three areas it regards as central to companies: accounting, tax and labour matters.

Accounting, tax and labour compliance

The core of the work is keeping a company within the law. The office handles routine accounting and tax compliance, issues the documents a business needs and monitors each company's situation over time. It also offers consultancy for questions about legal obligations and for arranging taxes in a way that suits the company's activity.

Company formation and personal tax planning

For new businesses, the firm takes the process from drawing up the articles of association through to registration with trade unions, and it can add visual identity and marketing support. Separately, it helps employees and business owners plan their personal income tax across the year, so that the annual return holds no surprises.

Payroll and labour outsourcing

The labour outsourcing service takes over payroll, delivered separately for each unit and on time. The firm aligns this work with a client's own HR department so that information moves efficiently between the two teams.

Sectors served

The firm's client list includes pharmacies and drugstores, clothing and footwear shops, construction companies, supermarkets, schools, medical and dental clinics, advertising agencies, law firms, religious institutions and non-profit organizations. For pharmacies and retailers, the firm stresses tax planning and cost control. For construction, it stresses financial management and fiscal compliance. For schools, it offers one team covering tax, labour and finance.

Client loyalty figures

The firm reports that about 61 per cent of its current clients have been with it since they opened, and that 90 per cent came through referrals from existing clients. These are the firm's own figures.

TrustList summary

Escritório de Contabilidade em Campinas - Grupo Mary, known as Grupo Mary, is an accounting office in Campinas, Brazil. It has served the Campinas metropolitan region for around three decades, covering the accounting, tax and labour needs of companies.

Products and services

  • Accounting, tax and labour services: the three main areas of routine compliance work.
  • Consultancy: answers to questions and guidance on staying within the law and using a suitable tax arrangement.
  • Company registration: help with opening a business, from the articles of association through to union registration, with branding support available.
  • Personal income tax: yearly planning and filing for employees and business owners.
  • Ongoing monitoring: issuing documents and following a company's situation.

Customers and markets

Service providers, supermarkets, medical and dental clinics, consultancies, advertising agencies, construction firms, law offices, religious institutions, commercial representatives, charities and non-profit bodies.

Key facts

  • Based in: Campinas, Brazil
  • Region served: the Campinas metropolitan area

Summary written by TrustList from the business's own published information, Nov 2026.

Categories & features

Grupo Mary rankings

Grupo Mary is ranked on 1 TrustList ranking at #15.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Grupo Mary has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Accounting firm · 1 ranking

As of 2026-11-15. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

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