QuickBooks Consulting Services in New Jersey
We Make Numbers Work for You
At Demian & Company, LLC, our certified QuickBooks ProAdvisors provide expert bookkeeping and accounting services, using QuickBooks as our primary platform. Our services transform your financial data from a source of confusion into clear, actionable insights that drive confident business decisions.
Since 1995, our New Jersey-based team has helped businesses across the state with professional bookkeeping, accounting system setup, and financial management — all powered by our QuickBooks expertise.

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Remote Services
Available
Boutique CPA Firm
Excellence delivered with exceptional service.
30+ Years of Experience
Building wealth for accomplished clients since 1995.
Custom Solutions for Individuals and Businesses
Because your goals deserve more than one-size-fits-all.
Our Strategic QuickBooks Services for New Jersey Businesses
While Intuit handles software issues and technical questions, our advisors focus on managing your books, ensuring accuracy, and delivering the clean financial data necessary to run your business.
Our services include:
QuickBooks-Based Bookkeeping Services
We handle your day-to-day bookkeeping using QuickBooks, ensuring every transaction is properly recorded, categorized, and reconciled. Our team manages your books so you can focus on running your business, not learning accounting software.
Initial Setup for New Accounting Clients
When you become our bookkeeping client, we properly configure your QuickBooks file with the right chart of accounts, opening balances, and bank connections. This ensures your books start clean and stay that way under our management.
File Cleanup & Catch-Up Bookkeeping
Behind your books? Don’t stress; we'll catch you up. Our team diagnoses and repairs accounting issues, reconciles months or years of transactions, and delivers clean, tax-ready financial records. This is hands-on bookkeeping work, not software troubleshooting.
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Software Selection for Accounting Clients
As your accountants, we'll recommend whether QuickBooks Online Simple Start, Essentials, Plus, or Advanced best fits your business needs. We base this decision on your transaction volume and the complexity of bookkeeping services you need from us.
Custom Accounting Workflows
We design bookkeeping processes that match your business operations. From invoice processing to expense categorization, we establish clear procedures for how financial data flows through your business and into your books.
Staff Training on Accounting Procedures
We train your team on the specific accounting procedures they need to follow — how to submit expenses, code invoices, or provide us with necessary documentation. This is process training for our mutual clients, not general QuickBooks education.
App Integration for Bookkeeping Efficiency
We connect QuickBooks with payment processors, point-of-sale systems, and other tools to streamline our bookkeeping services. These integrations reduce manual data entry and ensure all transactions flow properly into your books.

Payroll Processing Services
We handle your payroll through QuickBooks to guarantee accurate calculations, timely filings, and compliance with all regulations. We’ll process everything on your behalf.
Management Reporting & Financial Analysis
As your accountants, we create custom financial reports that tell the story behind your numbers. We analyze trends, identify opportunities, and deliver insights that drive better business decisions.
Access Control & Internal Controls Setup
Protecting your financial data is pivotal, which is why we establish proper user permissions and approval workflows. This includes setting up controls that prevent errors and fraud while allowing your team to provide us with the necessary information.

Bank Reconciliation Services
We handle monthly bank reconciliations, ensuring every transaction is accounted for, and your books match your bank statements. This critical bookkeeping service catches errors and prevents financial surprises.
Inventory & Job Costing Management
For clients with inventory or project-based work, we maintain accurate cost tracking and profitability analysis. We handle complex accounting so you always know which products and projects make money.
QuickBooks Migration for New Clients
When you switch to our firm, we'll migrate your data from your current system to the QuickBooks platform we'll use for your bookkeeping. We handle the entire transition to ensure continuity of your financial records.
Your Books Should Be Done Right, Not DIY
Professional bookkeeping saves time and prevents expensive errors. Let our certified QuickBooks ProAdvisors at Demian & Company, LLC, handle your accounting while you focus on growing your business.
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QuickBooks Consulting Tailored for Your Industry
Cookie-cutter services won’t cut it. Different industries require different accounting expertise. Our New Jersey QuickBooks ProAdvisors bring both QuickBooks proficiency and deep industry knowledge to deliver specialized bookkeeping services:
Real Estate
Real estate professionals need clean commission tracking, property-level reporting, and transaction management. We build complete QuickBooks systems that handle multiple properties, track deal pipelines, and prevent the common issue of commingling closing costs.
E-Commerce
Online sellers deal with high transaction volumes across multiple platforms. We configure QuickBooks to handle marketplace fees, automate revenue recognition from platforms like Shopify or Amazon, and provide accurate inventory tracking as your business scales.
Wholesale & Distribution
Robust inventory management and vendor tracking are pivotal to wholesalers. Our team sets up comprehensive systems that monitor stock levels, calculate landed costs accurately, track purchase orders, and provide real-time data to help manage cash flow and supplier relationships.
Digital Marketing Agencies
Agencies juggle multiple clients, varied billing arrangements, and project-based work. We configure QuickBooks for retainer tracking, project profitability analysis, and proper expense allocation to show which clients and services drive the most value.
Retail
Retail operations need point-of-sale (POS) integration, inventory control, and multi-location capabilities. We connect your retail systems to QuickBooks, set up inventory tracking, and create reporting structures that help you understand sales trends and product performance by location.
Hospitality
Restaurants, hotels, and event venues benefit from specialized setups for tip allocation, cost tracking by location, and integration with property management or POS systems. Our robust accounting workflows prevent inventory loss and match the fast pace of hospitality operations.
Get Industry-Specific QuickBooks Solutions
Generic bookkeeping misses industry-specific requirements. Work with QuickBooks ProAdvisors who understand your business and maintain books that capture every detail accurately.
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Our Proven QuickBooks Consulting Process
Our consulting experience means we’ve created a structured approach that ensures nothing falls through the cracks. Here's how we help New Jersey businesses achieve QuickBooks success:
1. Comprehensive Needs Assessment
First, we examine your current situation, business processes, reporting requirements, and growth plans. This discovery phase helps us recommend the right QuickBooks version and identify the customizations that will deliver maximum benefit.
2. Strategic Planning & System Design
Based on our assessment, we create a detailed implementation plan that covers software selection, chart of accounts structure, workflow configuration, and integration requirements. You'll know exactly what to expect before we begin your specific implementation.
3. Implementation & Configuration
Our team handles the technical setup while keeping you informed every step of the way. We configure all modules, establish security settings, connect bank feeds, and test every feature to ensure everything functions properly.
4. Training & Knowledge Transfer
Software only works when people know how to use it. We provide hands-on training tailored to each user's role, covering daily tasks, month-end procedures, and troubleshooting. We’ll help give your team the confidence to work independently.
5. Ongoing Support & Optimization
A successful QuickBooks implementation is only the beginning. Through our structured advisory services, we offer scheduled, ongoing reviews to ensure your system continues to evolve with your business. Think of it as a proactive partnership that helps you optimize reporting, adapt to new business challenges, and maintain the long-term integrity of your financial data.
Why Businesses Choose Demian & Company for QuickBooks Consulting

QuickBooks Consulting Services Throughout New Jersey and Beyond
With offices in Cranford and East Brunswick, Demian & Company, LLC serves businesses across New Jersey and throughout the United States. Our secure remote consulting services make it easy to access expert QuickBooks support regardless of your location.
Whether you prefer in-person meetings at our New Jersey offices or virtual sessions from anywhere, you’ll get the same high-quality service and personalized attention.
Cranford Office
340 North Avenue East Cranford, NJ 07016-21825
(908) 272-4452East Brunswick Office
65 Milltown Rd East Brunswick, NJ 08816
(732) 790-0955
Get Expert QuickBooks Help from Demian & Company, LLC
Although professional bookkeeping is an investment, it pays for itself through accurate financials, tax savings, and better business decisions. At Demian & Company, LLC, our certified QuickBooks ProAdvisors bring three decades of experience to managing your books.
Stop struggling with DIY bookkeeping. Let us handle your books professionally while you focus on what you do best — running your business.
FAQs About QuickBooks Consulting Services in New Jersey
How much do QuickBooks consulting services cost?
Our consulting fees depend on factors like your project scope, business complexity, and specific requirements. Simple setup and training projects start at competitive hourly rates, while we quote comprehensive implementations based on a detailed needs assessment. Most clients find the investment returns quickly through time savings and improved accuracy. Contact us for a detailed estimate based on your situation.
Can you fix my existing QuickBooks file?
Yes, absolutely. We specialize in cleaning up problem files and restoring accurate records. Our file cleanup services address issues like unreconciled accounts, duplicate transactions, incorrect balances, and data corruption. We diagnose the problems, develop a repair plan, and implement corrections to provide you with reliable financial information.
Do you provide QuickBooks technical support?
No, we don’t provide QuickBooks technical support. For software issues, login problems, or questions about how QuickBooks features work, you'll need to contact Intuit directly. Our services focus on professional bookkeeping and accounting services using QuickBooks as our platform.
How long does QuickBooks implementation take?
Implementation timelines vary based on business complexity and data migration requirements. We often complete basic setups for small businesses within a few days, while comprehensive implementations with extensive customization may take several weeks. Transparency is important to us, so we always provide realistic timelines during the planning phase and work efficiently to minimize disruptions.
Can you help us switch from another accounting software to QuickBooks?
Yes. We handle complete migrations from various accounting systems, including Sage, Xero, FreshBooks, and others. Our migration process includes data mapping, conversion, verification, and parallel testing to ensure accuracy. To make things easier, we also provide training to help your team transition smoothly to the new system.
