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Accounting Firm

Girolamo & Co.

Thousand Oaks accounting practice offering tax, bookkeeping, payroll and business advice to firms in Ventura County

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About Girolamo & Co.

Girolamo & Co. is an accounting practice with offices in Thousand Oaks, California. It takes on the bookkeeping, tax planning and filing work that owners have little time for, and adds business management advice along the way. Most of its clients have their head office in Ventura County, in places such as Calabasas, Camarillo, Westlake Village and Simi Valley, though it works for clients in several states.

What Girolamo & Co. offers

  • Tax planning and preparation — income tax work for corporations, LLCs, partnerships and non-profits, plus sales, payroll and property taxes.
  • Accounting and bookkeeping — general accounting, record keeping, fixed asset and depreciation tracking, and financial statements for management use.
  • Payroll — payroll and payroll tax processing through its in-house payroll company, Priority Payroll.
  • Estate and transaction advice — estate, gift, inheritance and trust tax issues, and help with an acquisition, sale or merger.
  • Start-up package — an initial meeting, bookkeeping system setup and record-keeping guidance for new companies.
  • Ongoing advisory package — year-round accounting, tax and compliance support with regular statements for established businesses.

Who it works with

Start-ups and established small businesses, mostly in Ventura County.

Key facts

  • Based in: Thousand Oaks, California
  • Related firms: Priority Payroll handles payroll, and sister company Retirement Wealth Center provides further services

Profile written by TrustList from the business's own published information, Sep 2026.

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Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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