S. R. Schill & Associates
★★★★★ (20 reviews)2448 76th Ave SE UNIT 107, Mercer Island, WA 98040
(206) 275-2700
Website: www.srschill.com
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
WPAS Inc
★★½☆☆ (17 reviews)7525 SE 24th St #200, Mercer Island, WA 98040
(206) 441-7574
Website: www.wpas-inc.com
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
Youngs Accounting
★★★★½ (7 reviews)3010 77th Ave SE #209, Mercer Island, WA 98040
(206) 779-5152
Website: www.youngsaccounting.com
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
Pure Financial Advisors, LLC
★★★★★ (5 reviews)7525 SE 24th St # 670, Mercer Island, WA 98040
(206) 710-9309
Website: purefinancial.com
Hours: {"Friday":["8:30 AM–5 PM"],"Monday":["8:30 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–5 PM"],"Tuesday":["8:30 AM–5 PM"],"Wednesday":["8:30 AM–5 PM"]}
Northwest Tax Advisors LLC
★★★★☆ (5 reviews)7525 SE 24th St #180, Mercer Island, WA 98040
(206) 275-1040
Website: www.nw-tax.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Bradfield Accounting & Advisory - Business Accounting Services
★★★★★ (3 reviews)3010 77th Ave SE UNIT 107, Mercer Island, WA 98040
(206) 203-9880
Website: www.bradfieldco.com
Hours: {}
Carolyn Trinh, CPA PLLC
★★★★★ (3 reviews)7683 SE 27th St PMB 556, Mercer Island, WA 98040
(425) 436-4472
Website: carolyntrinhcpa.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
RMJR Tax and Accounting
★★★★★ (1 reviews)2955 80th Ave SE, Mercer Island, WA 98040
(206) 512-1818
Website: www.rmjr-tax-accounting.com/mercer-island-wa
Hours: {"Friday":["10 AM–5 PM"],"Monday":["10 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["10 AM–5 PM"],"Tuesday":["10 AM–5 PM"],"Wednesday":["10 AM–5 PM"]}
The Dias Group
★★★★★ (1 reviews)3040 78th Ave SE, Mercer Island, WA 98040
(206) 257-4148
Website: diasgroupcpa.com/contact
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Steven Djordjevich
★★★★★ (1 reviews)7900 SE 28th St #242, Mercer Island, WA 98040
(206) 902-7575
Website: stevendjcpa.com
Hours: {}
Mercer Island Accountants - Pangallo & Associates
★★★★★ (1 reviews)2731 77th Ave SE #102, Mercer Island, WA 98040
(206) 281-9444
Website: mercerislandaccountants.com
Hours: {"Friday":["Closed"],"Monday":["10 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["10 AM–5 PM"],"Tuesday":["10 AM–5 PM"],"Wednesday":["10 AM–5 PM"]}
Baber Phil CPA
★☆☆☆☆ (1 reviews)7525 76th Ave SE suite 360, Mercer Island, WA 98040
(206) 236-0734
Website: www.babermason.com
Hours: {}
Business Tax Solutions
★☆☆☆☆ (1 reviews)7525 SE 24th St # 560, Mercer Island, WA 98040
(206) 275-1040
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Shamrock Consulting, LLC
8803 SE 58th St, Mercer Island, WA 98040
(206) 582-2500
Website: www.shamrockllc.com
Hours: {}
The Nordberg Group
2731 77th Ave SE #201, Mercer Island, WA 98040
(425) 450-9995
Website: nordbergcpas.com
Hours: {}
Mercer Island Business License
9611 SE 36th St, Mercer Island, WA 98040
(206) 236-3562
Website: www.mercerisland.gov/finance/page/business-licenses-0
Hours: {}
About Bookkeepers in Mercer Island, WA
Finding a reliable bookkeeper on Mercer Island can make a real difference for local business owners and residents. The island’s economy is driven by a mix of small retail shops, professional services, and home-based businesses, all of which require careful financial tracking. Even if you run a solo operation or manage rental properties, a local bookkeeper understands the city’s tax nuances and can help you stay compliant with Washington state requirements.
You might need a bookkeeper if your daily transactions are piling up, or if you’re spending more time on receipts than on growing your business. They can handle payroll, reconcile bank statements, and prepare accurate financial reports—freeing you to focus on your clients or customers. For Mercer Island professionals, this often means avoiding costly errors during tax season and gaining clearer insight into cash flow.
When searching, look for someone who offers cloud-based bookkeeping and communicates clearly. A good fit will ask about your specific needs, whether you run a boutique on 84th Avenue or manage a portfolio of island properties. Keep it simple: find a professional who keeps your books clean so you can keep your business moving.
Frequently Asked Questions
What does a bookkeeper do?
A bookkeeper records all financial transactions, manages invoices and payments, reconciles bank and credit card statements, runs payroll, generates financial reports, and keeps your books organized so you and your accountant can make informed decisions.
How much does a bookkeeper cost?
Bookkeeper rates vary by location and scope of work. Part-time bookkeepers typically charge $20-$50 per hour, while full-service monthly bookkeeping packages for small businesses range from $300-$2,000 per month depending on transaction volume and complexity.
Do I need a bookkeeper if I use QuickBooks or other software?
Software handles the mechanics, but a bookkeeper ensures transactions are categorized correctly, accounts are reconciled, and your books are accurate. Mistakes in DIY bookkeeping often lead to costly tax errors. A bookkeeper saves time and prevents problems before they start.
BeforeTaxUSA.com is a free informational directory. Listings are compiled from publicly available data and do not constitute an endorsement or recommendation. Verify credentials, licensing, and reviews independently before engaging any professional. Listings appear in no particular order unless otherwise noted.
Business owners: to update or remove a listing, email [email protected].