Accounting Firm

Back Office Support Solutions

A San Diego company providing outsourced accounting, bookkeeping and HR services to businesses

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TrustList summary

Back Office Support Solutions, known as BOSS, is an accounting and human resources company based in San Diego, California. It acts as an outsourced finance and HR department, helping firms that cannot yet afford in-house staff or that need extra hands in busy periods. Support can be short-term cover or ongoing through the year.

Products and services

Outsourced accounting: handling day-to-day accounting so owners can focus on planning.
Bookkeeping: keeping the books up to date, including peak-season help.
Payroll: meeting payroll and other monthly obligations.
Human resources: qualified HR staff supporting a client's people processes.
QuickBooks help: for example, sorting out files after a software upgrade or a merger of two businesses.
Operations support: finance and operations input for fast-growing companies.

Clients

Small business owners on tight budgets, high-growth companies that need finance expertise quickly, and firms looking to keep overheads and headcount down.

Key facts

Based in: San Diego, California, USA
Services: accounting, bookkeeping and HR

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

Gallery

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Rankings

Back Office Support Solutions is ranked on 1 TrustList ranking at #22.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Back Office Support Solutions 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

#22of 25
San diego
Its profile: “Back Office Support Solutions, known as BOSS, is an accounting and human resources company based in San Diego, California.”
Of the 25 here, 31 also cover tax and 25 also cover accounting; 12 also work in California and 3 also work in Los Angeles.
Behind Ariel A. Javier, A Professional Corporation, ahead of Bean Counting.

As of 2026-10-31. Organic ranks only; sponsored placements are never ranks. How TrustList ranks