Insights

Regional CPA Growth Rainer & Company is a regional CPA firm with a multi-office presence in Newtown Square and West Chester, PA, serving local, national, and multinational clients. This suggests opportunities to upsell high-value services to established clients expanding beyond local markets and to capture cross-border or multi-entity tax and attest engagements.

Diversified Clientele The firm serves a mix of non-profit, government, and for-profit entities, plus individuals. This breadth indicates potential to tailor service packages for targeted sectors such as nonprofit compliance, grant or government contract audits, and specialized tax strategies for various organizational structures.

Technology Enablement Tech stack includes WordPress, Microsoft 365, PHP and standard web technologies, plus SaaS time tracking development referenced in past news. This points to opportunities to discuss modern cloud-based accounting workflows, time and expense capture improvements, ERP integration, and cybersecurity considerations for clients managing remote or distributed teams.

Growth Signals Revenue is reported in a broad band of 10M–25M with 11–50 employees, and a history of advising on acquisitions and growth. This signals potential for advisory services in mergers and acquisitions support, due diligence, carve-outs, and owner transition planning for mid-market client prospects.

Strategic Partnerships Past initiatives include a SaaS time tracking project and community engagement campaigns, indicating openness to technology partnerships, pilot programs, and co-branded marketing with software vendors or local business associations to expand reach and referral opportunities within the Delaware Valley region.

Rainer & Company Tech Stack

Rainer & Company uses 8 technology products and services including WordPress, Google Fonts API, jQuery, and more. Explore Rainer & Company's tech stack below.

  • WordPress
    Content Management System
  • Google Fonts API
    Font Scripts
  • jQuery
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • Visual Composer
    Page Builders
  • PHP
    Programming Languages
  • Apache
    Web Servers
  • prettyPhoto
    Web Tools And Plugins

Rainer & Company's Email Address Formats

Rainer & Company uses at least 1 format(s):
Rainer & Company Email FormatsExamplePercentage
FLast@rainer.comJDoe@rainer.com
93%
FirstLast@rainer.comJohnDoe@rainer.com
3%
F.Last@rainer.comJ.Doe@rainer.com
4%

Frequently Asked Questions

What is Rainer & Company's phone number?

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You can contact Rainer & Company's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Rainer & Company's official website and social media links?

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Rainer & Company's official website is rainer.com and has social profiles on LinkedIn.

How much revenue does Rainer & Company generate?

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As of July 2026, Rainer & Company's annual revenue is estimated to be $10M - $25M.

What is Rainer & Company's SIC code NAICS code?

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Rainer & Company's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Rainer & Company have currently?

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As of July 2026, Rainer & Company has approximately 20 employees across 1 continents, including North America. Key team members include Computer Consulting Department: J. F.. Explore Rainer & Company's employee directory with LeadIQ.

What industry does Rainer & Company belong to?

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Rainer & Company operates in the Accounting industry.

What technology does Rainer & Company use?

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Rainer & Company's tech stack includes WordPressGoogle Fonts APIjQueryjQuery MigrateVisual ComposerPHPApacheprettyPhoto.

What is Rainer & Company's email format?

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Rainer & Company's email format typically follows the pattern of FLast@rainer.com. Find more Rainer & Company email formats with LeadIQ.

When was Rainer & Company founded?

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Rainer & Company was founded in 1954.
Rainer & Company logo

Rainer & Company

AccountingPennsylvania, United States11-50 Employees

Rainer & Company is a mid-sized regional accounting firm with offices in Newtown Square and West Chester, Pennsylvania. Founded in 1954, it serves the Delaware Valley and a broad mix of clients, including local, national and multinational companies, non-profit and government organizations, and individuals. The firm offers a full spectrum of services, such as tax planning, compliance and attest services, and employee benefit plan audits, tailoring guidance to each client’s goals and circumstances. It emphasizes understanding clients’ objectives to support activities like acquisitions, growth, and ownership changes, and maintains a reputation for service across generations within the community.

Section iconCompany Overview

Phone number
Website
rainer.com
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1954
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Rainer & Company's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Rainer & Company's revenue is estimated to be in the range of $10M - $25M

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