Lewis, Jacobs & Detloff Ltd.
Schaumburg, IL (847) 925-1489 | Crystal Lake, IL (815) 356-6105 | Client Login


Select a service area below for additional information:

Business Accounting Services
Lewis, Jacobs & Detloff provides complete accounting services to clients in many industries – professional services, financial services, manufacturing, technology, non-profit, government, health care, real estate, retail, and more.

Business Bookkeeping
Lewis, Jacobs & Detloff offers a full range of bookkeeping services designed to meet the needs of your business. Accurate record keeping is essential to a successful business yet can be complicated and time consuming.

Accounting Software
Accounting software has greatly simplified the bookkeeping process for business owners. However, software must be set up properly to ensure books are accurate and reports helpful.

New Business Services
When you are just starting out in business, having a professional accountant on your team makes your life as an entrepreneur a lot simpler.

Payroll Services
For most small businesses, whether you have one employee or several hundred, processing payroll is a challenge.


Business Tax Preparation
Lewis, Jacobs & Detloff prepares income tax returns for all business entities, including partnerships, C Corporations, S Corporations, and LLCs. We’ll make sure that your business is fully compliant with IRS, state, and local regulations.

Individual Tax Preparation
No one wants to pay more income taxes than they have to. We prepare personal tax returns and provide comprehensive tax planning and advice for our clients.

Estate Planning and Taxes
You can’t take it with you, but failing to plan for your estate means that the government, rather than your heirs, may get the major portion of your hard-earned money.

IRS Audit Representation
We can be of great value representing you for audits, notices, preparation of delinquent returns, and the negotiation of compromise offers.


Cash Forecasting
Whether you want to expand your business or just pay the bills, knowing where your cash comes from is essential.

Budgets include sales targets, staffing plans, inventory production, cash investment or borrowing, and capital expenditures.

Individual and Business Retirement Planning
Investment planning is an important part of building any retirement nest egg. It is also critical to plan for the distribution from tax-deferred retirement vehicles.

Divorce Planning
We work with you to ensure you understand the financial and tax implications of divorce and to help you achieve a financially fair divorce settlement.

Business Consulting
Consider Lewis, Jacobs & Detloff the “silent partner” in your business. We don’t just do your books, we offer suggestions on how to grow your business, keep your customers happy, and become more profitable.