Rainer & Co

Accountant in Newtown Square, PA (show on map)

Rainer & Company is a CPA firm in Newtown Square and West Chester, PA serving the Delaware Valley since 1954 with accounting, tax, and business advisory services.

Call (610) 353-4610

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About

Rainer & Company was founded in 1954 by Francis J. Rainer to provide outstanding service to clients in the Delaware Valley.

As of June 2025, the firm has joined PKF O'Connor Davies, one of the nation's largest accounting, tax and advisory practices. The firm provides a full range of accounting, tax and business advisory services including auditing, reviewing or compiling financial statements, tax compliance and strategies, business advisory services, employee benefit plan audits, and fraud investigations. They serve construction, manufacturing, wholesale distribution, real estate, professional service firms, medical practices, nonprofit organizations, government entities, hospitality, transportation, printing, sports and entertainment, and technology companies.

Serving the Delaware Valley since 1954

Recently joined PKF O'Connor Davies for expanded resources and global network

Undergoes rigorous independent peer review every three years

Member of AICPA PCPS and EBPAQC

Strategic guidance valued by clients alongside technical expertise

Services

Accounting & Assurance

Financial statement preparation and auditing services including risk identification, internal control reviews, and investment accounting.

Auditing Reviewing Compiling financial statements Risk identification Internal control reviews Employee benefit plan audits Compliance audits Forensic audits

Tax Compliance & Strategies

Full range of tax services with emphasis on year-round planning and preparation for corporations, partnerships, sole proprietors, individuals, and non-profit organizations.

Corporate tax Partnership tax Nonprofit tax Individual tax Estate and gift planning IRS representation Sales tax compliance Business succession

Business Advisory Services

Financial and management consulting services including business purchase/sale/merger advice, litigation support, and fraud investigations.

M&A advisory Business planning Litigation support Bankruptcy assistance Strategic planning Fraud investigations Divorce services

Employee Benefit Plan Audits

Full and limited scope audits of all types of employee benefit plans with tax compliance and advisory services.

Full scope audits Limited scope audits Tax compliance Advisory services

Credentials & Certifications

Certified Public Accountant (CPA)

Member of AICPA

Member of PICPA

Member of AICPA PCPS (Private Companies Practice Section)

Member of AICPA EBPAQC (Employee Benefit Plan Audit Quality Center)

Frequently Asked Questions

When was Rainer & Company founded? +

Rainer & Company was founded in 1954 by Francis J. Rainer.

What is the firm's approach to client service? +

The firm focuses on quality assurance services, technical expertise, accuracy, and strategic guidance. Their philosophy is to help clients achieve their full financial potential through creative and practical solutions.

What industries does Rainer & Company serve? +

They serve construction, manufacturing, wholesale distribution, real estate, professional service firms, medical practices, nonprofit organizations, government entities, hospitality, transportation, printing, sports and entertainment, technology companies, and more.

What professional organizations is the firm a member of? +

The firm is a member of AICPA (including PCPS and EBPAQC), PICPA (Pennsylvania Institute of Certified Public Accountants), and undergoes a rigorous independent peer review every three years.