Business Tax Preparation Services

Businesses across Huntley, IL, deserve tax support as precise and local as their operations, and Leading Financial Services, Inc. provides business tax preparation services built for exactly that. Serving Huntley and the surrounding communities of McHenry and Kane Counties, the firm helps LLCs, S-Corps, sole proprietors, and partnerships navigate federal and Illinois filing requirements with confidence. Whether your business sits along the Route 47 corridor, near the Huntley Outlet Center, or in one of the growing industrial parks south of I-90, a professional tax preparation service can help protect what you have built. Call (224) 267-5051 or contact the team online to request a free initial consultation today.

Business Entity Types Served in Huntley

Leading Financial Services, Inc. works with most common business structures found in the McHenry and Kane County area, bringing over 20 years of combined experience to tax preparation and planning. Each entity type carries different Illinois and federal filing obligations:


  • Sole Proprietors: File business income on Schedule C with Form 1040; Illinois also requires Form IL-1040.
  • Single-Member LLCs: Often treated as disregarded entities federally, though Illinois may require separate filing depending on structure.
  • Multi-Member LLCs and Partnerships: File federal Form 1065 and Illinois Form IL-1065, with K-1s issued to each partner.
  • S-Corporations: File federal Form 1120-S and Illinois Form IL-1120-ST. S-Corp election can offer meaningful payroll tax advantages for qualifying businesses.
  • C-Corporations: File federal Form 1120 and Illinois Form IL-1120, subject to Illinois's flat corporate income tax rate.


Each structure benefits from tax preparation services matched to its specific filing obligations. If you are unsure which structure applies to your business, the team can help you sort it out before filing season begins.

What Business Tax Services Does Leading Financial Services Offer in Huntley?

Leading Financial Services, Inc. offers tax preparation and planning services designed to go well beyond software-only filing. Business owners searching for business tax reparation in Huntley will find the same credentialed expertise behind every return. As an IRS Enrolled Agent, the firm's owner holds federal authorization to represent clients before the IRS, a credential that sets the practice apart from many national tax chains in the area.


Services include annual return preparation, quarterly estimated tax guidance, year-round tax planning, and identifying deductions specific to your industry and entity type. For growing businesses along Reed Road, Algonquin Road, and the Route 47 corridor, proactive planning reduces surprises at filing time. The team also supports accounting and bookkeeping needs throughout the year so your records are organized well before deadlines arrive.

Illinois and Federal Filing Deadlines Huntley Business Owners Should Know

Filing deadlines vary by entity type. Here is a general overview of key timelines for Illinois businesses:


  1. January 31: Deadline to issue W-2s and 1099s to employees and contractors.
  2. March 15: Federal and Illinois deadline for S-Corporations (Form 1120-S / IL-1120-ST) and Partnerships (Form 1065 / IL-1065). Six-month extensions are available.
  3. April 15: Federal and Illinois deadline for sole proprietors, single-member LLCs, and calendar-year C-Corporations.
  4. Quarterly: Estimated tax payments are generally due in April, June, September, and January.
  5. Year-round: Illinois requires timely payroll tax deposits and unemployment insurance filings for businesses with employees.


Extensions of time to file do not extend time to pay. Reliable tax preparation services keep these dates from sneaking up on you. The team can help Huntley-area business owners stay on schedule and avoid costly penalties.

Frequently Asked Questions

  • What Types of Businesses Does Leading Financial Services Help in Huntley, IL?

    Leading Financial Services, Inc. helps most small to mid-sized businesses in the Huntley area, including sole proprietors, LLCs, S-Corps, partnerships, and C-Corps, serving clients throughout McHenry and Kane Counties and neighboring communities.

  • How Is Working With a Local Firm Different From Using a National Tax Chain?

    A local firm provides a more personalized approach and year-round availability that national chains typically do not offer. The owner's IRS Enrolled Agent credential also means the firm can represent clients directly before the IRS, a level of continuity that walk-in tax centers rarely provide.

  • How Do I Get Started With Business Tax Preparation Services Near Huntley?

    Getting started with a local tax preparation service is simple. Call or reach out online to request a free initial consultation. The team will review your entity type, filing history, and financial situation to recommend the right approach for your business.

  • Can Leading Financial Services Help With More Than Just Annual Tax Returns?

    Yes. The team offers year-round support including tax planning, accounting, bookkeeping, and payroll services, so Huntley-area businesses can get ongoing financial support rather than a once-a-year filing experience.

  • Does Leading Financial Services Work With New Businesses in the Huntley Area?

    New businesses are welcome. The team can assist with entity selection, first-year filing requirements, and setting up clean financial records from the start, helping owners avoid costly structural mistakes down the road.

Ready to Work With a Trusted Local Tax Partner?

Business owners across Huntley, IL, can turn to Leading Financial Services, Inc. for dependable, year-round business tax preparation services. From routine business tax reparation questions to multi-entity filings, the team handles it all. With over 20 years of combined experience and an IRS Enrolled Agent at the helm, the firm delivers expertise and personalized care that large national chains cannot match. Whether you run a solo practice near downtown Huntley, manage a growing LLC off I-90, or operate a small corporation along the Route 47 strip, the team can help you file accurately, plan strategically, and stay ahead of changing tax requirements. Call (224) 267-5051 or visit the contact page to schedule your free consultation.