Skip to content
TrustList
Diversified Management Services, Inc logo
Accounting Firm

Diversified Management Services, Inc

Milwaukee-area bookkeeping, payroll and QuickBooks service for small businesses in Southeastern Wisconsin

Diversified Management Services, Inc cover

TrustList summary

Diversified Management Services, Inc, often shortened to DMS, handles the books and business administration for small firms around Milwaukee. It serves owners across Southeastern Wisconsin and builds its work entirely around QuickBooks, in both the desktop and online editions.

Products and services

  • Bookkeeping and accounting: entry of daily transactions and record keeping that feeds into financial statements.
  • Payroll administration: processing pay and managing employee tax withholding.
  • QuickBooks training: setting up accounts and teaching owners and staff to run the software themselves.
  • Business planning and development: budgets, cash-flow systems and procedures to put struggling firms back on a profitable footing.
  • Forensic accounting: applying audit methods to accounting records to resolve disputes and questions.

Who it works with

Small businesses in Southeastern Wisconsin, from one-person operations to firms with more complex structures that use contractors. Client comments describe relationships lasting close to two decades.

Key facts

  • Based in: Milwaukee area, Wisconsin
  • Software: QuickBooks desktop and QuickBooks Online only
  • Principal: Theresa Schwager

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

Rankings

Diversified Management Services, Inc is ranked on 1 TrustList ranking at #24.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Diversified Management Services, Inc 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

  • #24of 15
    Wisconsin

    Its profile: “It serves owners across Southeastern Wisconsin and builds its work entirely around QuickBooks, in both the desktop and online editions.”

    Of the 15 here, 24 also cover accounting and 22 also cover tax; 2 also work in Illinois and 2 also work in Michigan.

    Behind CFO Solutions of Wisconsin, ahead of DMA Tax & Accounting.

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

Request a demo or quote from Diversified Management Services, Inc

Protected by reCAPTCHA - Google Privacy Policy and Terms apply.

By sending, you agree we may share your request and contact details with the provider once you confirm your email.

Reviews

Write the first review of Diversified Management Services, Inc

Used it? Your experience helps other buyers decide.

Write a review

Questions & answers

No questions yet. Be the first to ask about Diversified Management Services, Inc.

Diversified Management Services, Inc alternatives

Similar listings buyers compare against this one.

Business process and AI operations company running finance, risk and customer operations for large enterprises

UK provider of cloud phone systems, contact centre platforms, connectivity and business mobiles for organisations

Accounting workflow software using AI agents to automate reconciliations, month-end close and journal entries for finance teams

A CPA firm in Wayne, New Jersey handling bookkeeping, tax and QuickBooks work for small businesses and individuals

A Maryland consultancy covering contract costing, accounting, payroll, staffing and trade brokerage with Latin America