Brass Tax Services
Colorado Small-Business Accounting & Tax Support — All Year, Not Just at Tax Time.
Personalized bookkeeping, payroll, tax planning, tax preparation and accounting support for Colorado small-business owners.
(303) 566-0034 · Monday – Friday, 9:00 am – 5:00 pm- IRS Enrolled Agent
- 20+ Years Tax Experience
- Colorado-Based
- Year-Round Support
What We Do
Services
Tax Planning & Consulting
Tax planning to help minimize liability and navigate changing tax law.
Business Tax Returns
Accurate, on-time business returns that capture the deductions and credits you're eligible for.
Personal Tax Returns
Accurate, on-time personal returns that capture the deductions and credits you're eligible for.
Bookkeeping
Organized records that keep your business ready for tax season all year.
Payroll Services
Support with payroll records, deposits and required filings to help keep your business current and compliant.
Company / Entity Creation
Guidance choosing and setting up the right entity for your business. We can create entities in all 50 states.
S-Corp Election & Conversion
S-Corp election can offer tax advantages for some businesses, but it isn't right for everyone. Let us explain and help you decide if it's the right move for you.
Accounting & Compliance Services
We help clients stay compliant with many other areas of tax and accounting such as accounts receivable, accounts payable, sales tax, payroll tax, and various insurance audit compliance obligations.
Audit Representation
Guidance through the audit process and representation before the IRS, so your rights are protected.
For Small Businesses
One Firm for Your Bookkeeping, Payroll & Taxes.
Brass Tax Services provides year-round accounting support so you can spend less time managing your books, payroll and taxes and more time running your business. Monthly service plans can combine the accounting and tax services your business needs under one relationship.
Ongoing Support
Monthly Accounting Plans
Tax Essentials
Starting at
$199/month
Designed for very small businesses and owners who primarily need year-round tax support.
Potential services may include
- Year-round tax planning
- Quarterly estimated-tax guidance
- Business tax preparation
- Owner personal tax preparation
- Year-round tax questions
Business Accounting
Starting at
$349/month
Designed for small businesses that want their bookkeeping and taxes working together.
Potential services may include
- Monthly bookkeeping
- Account reconciliation
- Year-round tax planning
- Business tax preparation
- Owner personal tax preparation
- Quarterly estimated-tax guidance
Full-Service Business
Starting at
$499/month
Designed for small businesses that want ongoing accounting, payroll and tax support under one relationship.
Potential services may include
- Monthly bookkeeping
- Payroll support
- Payroll-tax compliance
- Year-round tax planning
- Business tax preparation
- Owner personal tax preparation
- General accounting and compliance support
Pricing varies based on transaction volume, number of employees, entities, filing requirements and complexity. Bookkeeping cleanup, IRS representation, entity formation, complex sales-tax filings, insurance audits and other special projects may be quoted separately. Final scope and pricing are agreed upon before services begin.
Who We Serve
Built for Colorado Small-Business Owners
We work with owner-operated businesses that want reliable, year-round accounting and tax support. Clients include, but aren't limited to:
- Recruiting & Staffing Firms
- Construction & Trades
- Restaurants & Hospitality
- Product-Based, Retail & E-Commerce Businesses
- IT Support & Technology Service Companies
- Real Estate Professionals, Investors & Rental Property Owners
- Service-Based Businesses
We also work with many other types of owner-operated and small businesses throughout Colorado.
Why Brass Tax
An Accountant Who Knows Your Business — Not Just Your Tax Return.
- Direct access to an IRS Enrolled Agent
- More than 20 years of tax experience
- Bookkeeping, payroll, tax planning and tax preparation under one roof
- Year-round support rather than tax-season-only service
- Personalized service plans based on the needs of each business
Testimonials
What Clients Say
Trusted by business owners who want responsive, reliable accounting and tax support.
“Very reliable and easy to work with. I don’t have to worry about my bookkeeping and taxes anymore because I know they are being handled.”
“As a small business owner, I used to hate tax season and avoid it at all costs. Seth at Brass Tax Services has been paramount in simplifying the whole process for me. Seth has incredible attention to detail and genuinely enjoys helping people.”
“He is dependable, responsive, and great at what he does. I’ve been very happy with the service and would definitely recommend him to other business owners.”
How It Works
A clear, simple process
- 01
Free Consultation
We discuss your business, tax and accounting needs and answer your questions.
- 02
Build Your Service Plan
We determine which services you need and create a plan tailored to your situation.
- 03
Get Set Up
We gather the necessary information and organize your tax, bookkeeping, payroll or compliance services.
- 04
Ongoing Support
We handle the agreed-upon work and remain available throughout the year as your needs change.
Colorado-based and serving small businesses throughout the Denver metro area and across Colorado.
Free Consultation
Let's talk about your business.
Tell us what you need help with and we'll discuss whether Brass Tax Services is the right fit for your bookkeeping, payroll, tax and accounting needs.

