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Employment Tax Advisory — Refined. Modern. Boutique.

Guiding businesses with clarity, precision, and a white-glove experience.

About Us

At Colette & Co. Tax Boutique, we help businesses navigate the complexities of employment tax with confidence and ease. Our firm specializes in delivering tailored, high-precision advisory services designed to simplify compliance, reduce risk, and support sustainable growth.

Colette & Co. employment tax advisory

We combine Big Four-level technical expertise with the warmth, attentiveness, and personalization of a boutique practice. This means every client receives clear communication, proactive guidance, and a truly elevated, concierge-style experience.

Chicago city skyline at dusk with luxury boutique tax advisory branding

Our Services

Explore our range of comprehensive consulting services designed to address your specific business needs and drive sustainable growth

Business and employer tax registration services by Colette & Co.

IRS Resolution Services

Trusted support for IRS matters, from notices and inquiries to full case resolutions. We bring structure, strategy, and calm to stressful situations.

SIT and SUI wage reporting service for businesses

Tax Registrations (SIT & SUI)

We manage state income tax and unemployment tax registrations with precision, ensuring timely approvals and seamless setup for new and expanding businesses.

Employer account deactivation and compliance support

SIT & SUI Wage Reporting

Accurate, compliant wage reporting delivered with consistency and clarity — helping you avoid penalties and maintain full compliance.

Colette & Co. tax advisory team providing personalized service

Why Choose Us

The Colette & Co. Experience

We bridge the gap between compliance and strategy — offering you a professional partner who brings deep expertise and a genuine investment in your success.

Expertise

Big Four–level technical strength, delivered through a boutique, client-centric model.

Service

High-touch, personalized support tailored to your business — never a generic, one-size-fits-all approach.

Experience

White-glove guidance shaped by exposure to complex, multi-state compliance and real-world operational challenges.

Implementation

Execution excellence, ensuring filings, registrations, and compliance work are completed accurately and on time.

Financial Data Chart

Our Numbers

Our numbers tell the story of trust, refinement, and consistent results. Each statistic highlights the accuracy, insight, and tailored support that clients experience when partnering with a boutique tax advisory firm.

500

Clients Served

80+

Projects Completed

12

Years of Experience

95%

Satisfaction Rate

Chicago city skyline at dusk with luxury boutique tax advisory branding

Let’s simplify your Employment Tax strategy.

Get in touch to discuss your needs — we’re here to provide personalized solutions and expert guidance tailored to your business.

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