Focus On What You Do Best. We'll Do The Rest.
Your Books. Our Expertise. Better Business.
CS Admin Services provides expert bookkeeping and administrative support tailored to the unique needs of your small business, so you can focus on what matters most—growing your company.
Focus On What You Do Best. We'll Do The Rest.
Your Books. Our Expertise. Better Business.
CS Admin Services provides expert bookkeeping and administrative support tailored to the unique needs of your small business, so you can focus on what matters most—growing your company.
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Focus On What You Do Best. We'll Do The Rest.
Your Books. Our Expertise. Better Business.
CS Admin Services provides expert bookkeeping and administrative support tailored to the unique needs of your small business, so you can focus on what matters most—growing your company.

Focus On What You Do Best. We'll Do The Rest.
Your Books. Our Expertise. Better Business.
CS Admin Services provides expert bookkeeping and administrative support tailored to the unique needs of your small business, so you can focus on what matters most—growing your company.
Our Services
Whether you’re just getting started or already established, our team has expertise with every shape of small business. Our services include bookkeeping, system optimization and automation, business formation and compliance filing. We customize our services to match your unique business requirements.
Accounting & Bookkeeping
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Bookkeeping setup
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Weekly / Monthly Reconciliation
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Daily transaction management
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Monthly financial reporting
Business Formation & Compliance
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LLC & S Corp formation
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Tax identification number (EIN)
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Operating Agreement
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Compliance filing and requirements

Expertise Without the Overhead
Access specialized financial and administrative expertise without hiring a full team. Focus on growing your business while we handle the back office.

Growth - Ready Solutions
Our systems and support scale seamlessly as your business expands. Start small, and we'll grow with you every step of the way with a single point of contact.

Smart Automation that Saves
Our systematic approach ensures consistent, reliable results while we implement intelligent automation that reduces your costs over time while improving accuracy. Work smarter, not harder.

30-day Guarantee
We are confident in our onboarding process. If, after the first month of work, you are not satisfied with what we have established the agreed-upon systems and processes as outlined in our service agreement, CS Admin Services will dedicate the necessary, additional hours, at no extra charge, to address your specific concerns and ensure the foundation of our service meets your expectations. Or your money back!
Testimonials
See what people are saying
Sean from CS Admin Services brought exceptional clarity and structure to our financial operations, streamlining workflows and ensuring accuracy in every detail. His leadership and proactive approach have been invaluable in supporting our growth and efficiency at Union Kitchen.
Sean's exceptional financial expertise has been instrumental in optimizing our financial processes and giving me peace of mind that our finances are always in order. His meticulous attention to detail and proactive approach to process improvement has significantly boosted our productivity at Snacklins.
Why Choose Us?
Expertise Without Overhead
Get access to expert financial and administrative services without the cost of hiring full-time employees. We provide specialized skills when you need them, giving you peace of mind and a clear financial overview.
Scalable Solutions
Our services scale with your business growth. With a single point of contact and proactive financial management, we provide solutions that adapt to your changing needs while maintaining accountability and consistency.
Systematic, Proven Processes
Our systematic approach ensures consistent, reliable results. We implement proven processes tailored to your business needs, whether it's bookkeeping in Quickbooks, administrative support, or system optimization.
Tailored for Small Businesses
We understand that every business has unique needs. That's why we customize our services to match your requirements. Whether it's bookkeeping, payroll, or administrative support, we provide solutions that fit your business model and goals.
"Sean from CS Admin Services brought exceptional clarity and structure to our financial operations, streamlining workflows and ensuring accuracy in every detail. His leadership and proactive approach have been invaluable in supporting our growth and efficiency at Union Kitchen."
"The reliability and thoroughness CSAdmin Services brought to our administration and data reporting have been exceptional. Knowing our business compliance and operational flows are in such capable hands allows us to concentrate on core business growth. Sean didn't just manage data; he ensured its integrity, which is fundamental to our success at District Distribution."
“Sean's exceptional financial expertise has been instrumental in optimizing our financial processes and giving me peace of mind that our finances are always in order. His meticulous attention to detail and proactive approach to process improvement has significantly boosted our productivity at Snacklins."

Comprehensive Accounting Solutions
Our accounting solutions simplify your financial management processes with accurate and timely data for informed decision-making.
- Daily transaction management
- Bookkeeping
- Weekly / Monthly reconciliations
- Monthly financial reporting
- QuickBooks optimization

Industry-Specific Financial Management
Our extensive experience spans various sectors, allowing us to provide tailored financial services for each industry.
- E-commerce platform integration
- Retail POS system reconciliation
- Inventory tracking
- Manufacturing cost analysis
- Budgeting and forecasting

Administrative Support Services
Streamline your day-to-day operations and enhance productivity with our comprehensive administrative support. By outsourcing these tasks to us, you can reduce overhead costs and improve operational efficiency.
- Data entry and management
- Document organization
- Small business compliance
- Email management
- Workflow optimization
- Customer Support
About Us

At CS Admin Service LLC, we empower small businesses to thrive by taking the stress out of bookkeeping and administrative tasks. Co-founded by Sean, who spent years supporting startups, we understand that great products can get lost without strong operational foundations. Many small businesses struggle with messy books, missed payments, or costly accounting services. That’s where we come in. Our services simplify finances, reduce overhead, and free you up to focus on your passion—perfecting your product and growing your brand. Let us handle the back office, so you can grow your business and do what you do best.
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Our Company
At CS Admin Services LLC, we are dedicated to enhancing the financial efficiency of small businesses. Our mission is to support growth by offering expert accounting and administrative solutions tailored to your needs. With a keen focus on streamlining operations, we help businesses manage their finances with ease and accuracy. Our team is committed to providing personalized services that foster sustainable development and success. We understand the unique challenges faced by small enterprises and are here to be your trusted partner in achieving financial clarity and operational excellence.

Sean Henry - Co-Founder
"I am a seasoned accounting and administrative professional with over 15 years of experience, including leadership roles in the CPG and food industries. I excel in managing financial books, optimizing processes, and delivering strategic insights to enhance business performance. Looking forward to working with you!"
What exactly does CS Admin Services do?
We provide comprehensive bookkeeping and administrative support for small businesses. Our services include daily transaction management, weekly reconciliations, monthly financial closings, and administrative support—all designed to streamline your operations and provide accurate financial insights without the overhead of hiring full-time staff.
Do I need to have QuickBooks already set up to work with you?
No, we can help set up QuickBooks Online for your business from scratch. If you're currently using a different system, we can also assist with the migration to QuickBooks Online or work with your existing platform.
How is working with CS Admin Services different from hiring a bookkeeper?
Unlike hiring a full-time bookkeeper, our service eliminates the cost and complexity of managing an employee while providing access to an entire team of experts. We ensure consistency even during vacations or transitions, implement professional systems, and offer flexible scaling as your business grows.
What does the initial clean-up process involve?
Our initial clean-up involves a thorough review of your financial records, including reconciling historical transactions, organizing and categorizing expenses, cleaning up your chart of accounts, reconciling bank and credit card statements, and addressing outstanding issues. This ensures we start regular services with accurate books.
What accounting software do you use?
We primarily work with QuickBooks Online but can also integrate with various systems including Square POS, Shopify, HubSpot, and custom inventory systems.
What administrative services do you offer for small businesses?
Our administrative services include data entry, document management, customer support, scheduling, email management, and other administrative tasks tailored to your specific business needs. We offer these services on a flexible basis, allowing you to scale up or down as your business requires.