Accounting Firm

Hamilton Mercer & Werre

Small CPA firm in Long Beach, California providing accounting, tax, estate and financial planning services

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TrustList summary

Hamilton, Mercer & Werre LLP is a small accounting firm with its main office in central Long Beach, California. It is reachable from the surrounding Orange and Riverside counties as well and says its size allows a more personal service.

Products and services

Accounting and bookkeeping: managing and maintaining a company's financial processes.
Tax planning: a proactive approach that tracks new tax law to find planning opportunities.
Year-end tax consulting: advice on changes to the tax rules for individuals and corporations.
Estate planning: planning for the orderly passing of assets between generations.
Financial planning: services for individuals and business clients.

Clients

Individuals, estates, trusts and small businesses.

Key facts

Based in: Long Beach, California, United States
People: CPAs John Hamilton and Cheryl Mercer, and accountant Diana Werre

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

Categories & features

Rankings

Hamilton Mercer & Werre is ranked on 1 TrustList ranking at #3.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Hamilton Mercer & Werre 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

#3of 17
Tax law
It is one of 13 here listing accounting and one of 16 here listing tax.
Its profile: “- Tax planning: a proactive approach that tracks new tax law to find planning opportunities.”
Of the 17 here, 16 also cover tax and 13 also cover accounting.
Behind CBA Accounting, ahead of HKWJ Tax Law & Partners Limited.

As of 2026-11-01. Organic ranks only; sponsored placements are never ranks. How TrustList ranks