Accurate, Professional, and Built for Your Business

Running a business in Seattle means juggling growth, clients, and compliance — and accurate bookkeeping is what keeps it all running smoothly. At InVantage3, we deliver professional bookkeeping services in Seattle, WA, designed to give you clarity, control, and confidence in your finances.

From startups to established firms across the Puget Sound, we help businesses stay organized, compliant, and financially strong — without the cost or hassle of managing it all in-house.

Contact Our Team

Your Seattle Bookkeeping Partner

Seattle’s business landscape is fast-moving and diverse — from tech startups and architecture firms to restaurants and real estate companies. Each one needs accurate, dependable bookkeeping to make smart financial decisions.

At InVantage3, we combine local insight with national-level expertise. Our team understands Washington state tax regulations, city business requirements, and the unique financial challenges Seattle-area businesses face.

We’re based right here in the region, so you get the accessibility of a local partner with the reliability of a full-service bookkeeping team.

Our Bookkeeping Services in Seattle Include

Monthly Bookkeeping and Account Reconciliation

We manage your monthly transactions, reconcile accounts, and keep your books accurate and up to date.

Financial Reporting and Analysis

We provide clear, easy-to-understand financial reports that help you track performance and plan ahead.

Payroll and Expense Management

We handle payroll processing, expense tracking, and reporting — ensuring your team and vendors are paid accurately and on time.

Tax-Ready Financials

We prepare and maintain your books so tax season is simple, accurate, and stress-free.

Software Setup and Support

We work with QuickBooks, Deltek Ajera, and other accounting platforms to streamline your systems and reduce manual work.

Why Seattle Businesses Choose InVantage3

Local Expertise, Personalized Support

We know the Seattle market — from city tax codes to industry-specific requirements. You’ll work with a dedicated professional who understands your business and is just a call away.

Decades of Experience

With over 18 years of bookkeeping and financial management experience, we’ve helped businesses across industries stay financially organized and compliant.

Scalable, Affordable Services

Whether you’re a growing startup or an established firm, we tailor our services to your size, budget, and goals — so you only pay for what you need.

Secure, Cloud-Based Systems

We use trusted, encrypted tools to manage your books efficiently and securely, giving you access to your data anytime, anywhere.

Who We Serve in the Seattle Area

We proudly support businesses throughout Seattle, Bellevue, Kirkland, Redmond, and the greater Puget Sound region, including:

  • Professional Service Firms
  • Architecture & Engineering Companies
  • Real Estate & Property Management Businesses
  • Construction & Trade Contractors
  • Hospitality & Retail Businesses
  • Consultants, Agencies, and Freelancers
  • Technology & Creative Firms

Whether you’re in downtown Seattle, South Lake Union, or the Eastside, our team provides reliable bookkeeping support that keeps your business moving forward.

Why Outsourcing Bookkeeping Makes Sense in Seattle

Seattle’s competitive business environment demands focus and efficiency. Outsourcing your bookkeeping to InVantage3 helps you:

  • Save time and reduce overhead costs
  • Eliminate errors and stay compliant with state and local tax laws
  • Gain access to real-time financial insights
  • Scale your financial operations as your business grows
  • Free up your team to focus on what matters most — growth and clients

Our Process

Step 1: Review and Assessment

We start by reviewing your current bookkeeping setup and identifying areas for improvement.

Step 2: Cleanup and System Setup

We clean up your books, streamline your systems, and ensure everything is organized and accurate.

Step 3: Ongoing Monthly Bookkeeping

Each month, we handle your bookkeeping, deliver reports, and provide insights to help you make smarter decisions.

What You Can Expect With InVantage3

When you partner with us, you’ll get:

  • Accurate, up-to-date books every month
  • Transparent, predictable pricing
  • A responsive, local bookkeeping team
  • Clear financial visibility and peace of mind

We’re not just bookkeepers — we’re long-term partners invested in your business success.

Let’s Simplify Your Bookkeeping — Right Here in Seattle

Whether you’re managing a growing firm or running a lean operation, InVantage3 provides affordable, professional bookkeeping services tailored to your business.

Call (425) 375-3026 or reach out through our contact form to connect with our Seattle bookkeeping team.

We’ll help you stay organized, compliant, and confident — so you can focus on what makes your business thrive.

Contact InVantage3

TESTIMONIALS

Real partnerships. Real results.

Don’t just take our word for it! Hear from the businesses that trust InVantage3 to handle their books, simplify their systems, and support their growth.

"Part of my growth strategy."

"As the owner, I’m constantly thinking about our growth strategy and how to be ahead of the curve with our business processes. I made a smart investment in hiring InVantage3. Steve and team are now part of our growth strategy."

Arti O’Brien
President, Advanced Government Services, Inc. (AGS)

"An amazing support system"

“We looked at other vendors, but it was clear that InVantage3 surpassed all the others in terms of value and performance. Steve and team made it their business to become masters of our accounting software system. They are fully literate and an amazing support system, which is a testimony to their customer service approach. They have grown with us which translates to peace of mind for me.”

Paul Manzer
President, Navix Engineering

"Expertise, personalized approach, commitment."

“I’m a software engineer by training and don’t have a business or finance background. InVantage3 offers a level of consulting, coaching, and education that gives me confidence our business is headed in the right direction—that our metrics are showing healthy trends and growth.”

Regi John
President, Team Logic IT

"We don't have to worry about accounting."

“The peace of mind we get with InVantage on board means that we don’t have to worry about the accounting side of our business. We are a staff of 12 now and I know we can confidently expand with InVantage3 and their advisory partnership.”

Megan Otto
Director, Business Development, Woodblock Architecture

"They are excellent at what they do."

“Steve and his team provide the CPA oversight to make sure our day-to-day payroll operations run smoothly. We are a close-knit team in constant communication. They are excellent at what they do, super-responsive, everyone is always on the same page, and they are a delight to work with. That’s peace of mind for me.”

Margaret Tyson
Office Manager, Schemata Workshop

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