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Financial Services

Contract with us for bookkeeping, accounting, payroll, Form 990 preparation, and other services

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We can provide your organization with ongoing finances services or help you with improvements to your financial systems. A summary of our services is below with more detailed information through the links at the bottom of the page.

Bookkeeping /Accounting & Payroll

Let us take the guesswork out of contracting for bookkeeping, accounting, and payroll. Our staff understand nonprofits and have access to several CPAs for technical consults. And our team will ensure your needs are met even if your financial services associate is unavailable to you due to illness or a vacation. Note that payroll services are provided only to organizations contracting for bookkeeping/accounting or human resources. There is a 4-hour monthly minimum for these services.

Tax/Form 990

Our highly experienced 501 Commons’ Tax and Accounting staff can prepare your Form 990 and help with tax matters. Note that we do not conduct financial reviews or audits, but can refer you to some excellent firms in Washington State.

Quick Consult/ Accounting Consulting Services

You can use our Quick Consult program to get an answer to a specific question. Quick consults are charged a flat $25 for every 15 minutes needed to complete the consult. Contact Additionally, you can contract with us for consulting on budgeting, financial policies, internal controls, financial management training, and more. Fill out a Request for Assistance Form to get started.

Request Services

Please complete a Request for Assistance Form or contact Financial Services Client Engagement Specialist Jenny Lundqvist at or (206) 682-6704 ext. 108.

For contracted financial services, please keep in mind that our services are always in high demand and that we may need to add staff to accommodate your needs so services likely will not start immediately.  Please let us know as soon as you can that you want to use our services, so we can prepare to start services when needed.

On-Site & Virtual Financial Services

We provide bookkeeping, accounting services, and payroll processing

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Tax & Accounting

501 Commons also offers tax preparation services for 990s, state returns, and city returns.

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Project-Based Consulting

Our staff team and Executive Service Corps experts can provide you with consultation about a challenging situation you’re facing at the moment.

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Finance Quick Consult

Have a question about financial statements, accounting rules or your organization's tax return? For only $25 per 15-minute increment you can have your questions answered by one of our Financial Services Associates! Just email