Business & Individual Accounting
Services in Centennial, Colorado
At Lillis & Company, our core mission is to consistently employ accurate, progressive, intuitive, and proactive tax compliance strategies while solidifying valuable relationships with our greatest assets – our clients.
For over thirty years, our family owned and operated accounting business has continued to aid our clients in all manner of tax-related needs such as income and sales tax preparation, bookkeeping services, and payroll preparation.
We highly value not only continuing education and compliance training within our staff, but also attempt to consistently educate our clients regarding their ongoing tax obligations.
Our dedication to honesty, competency, and accuracy underlies all we do at Lillis & Company, but what feeds our passion for the industry rests within the resulting relationships formed with you, our client.
We encourage you to browse our website, and we look forward to speaking with you for your tax-related needs.
IMPORTANT DATES TO REMEMBER
January 15th
- Form 1040-ES
(4th quarter individual
estimated tax deadline)
January 31st
- Issue form series 1099
(including 1099-NEC for
non-employee compensation) - Issue form W2
(to employees)
March 1st
- Form 1040
(due for farmer’s and fisherman)
March 15th
- Form 1065 and 1120S
(for Partnerships and S-Corporations) - Form 7004
(to obtain 6-month filing extension)
April 15th
- Form 1040 (for Individuals)
- Form 1120 (for Corporations)
- Form 4868 or 7004
(to obtain 6-month Individual and Corporate extension) - Form 1040-ES
(1st quarter Individual estimated tax) - Form 1120-W
(1st quarter Corporate estimated tax)
Think of Lillis & Co. as your business partner.
Use our experience and insights to save money, raise revenue, reduce expenses and increase profitability whether it be with our accounting services or tax preparation.