
Campinas accounting firm handling company formation, tax, accounting and payroll for businesses of all sizes

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

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.
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.
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.
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.
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.
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.
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.
Service providers, supermarkets, medical and dental clinics, consultancies, advertising agencies, construction firms, law offices, religious institutions, commercial representatives, charities and non-profit bodies.
Summary written by TrustList from the business's own published information, Nov 2026.
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.
It is one of 2 here listing legal.
Of the 28 here, 2 also cover accounting and 2 also cover civil.
Behind Econtabilis, ahead of Estratégia Patrimonial.
As of 2026-11-15. Organic ranks only; sponsored placements are never ranks. How TrustList ranks
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