Seattle Southside Chamber of Commerce

What Seattle Southside Chamber of Commerce does

Seattle Southside Chamber of Commerce is a private, membership-based nonprofit organization founded in 1988 and headquartered in SeaTac, Washington. It serves as the regional business association for South King County, representing the cities of Burien, Des Moines, Normandy Park, SeaTac, and Tukwila, with a stated network of more than 3,000 member businesses and 180,000+ workers generating approximately $100 billion in combined annual revenue. The Chamber's core functions are business advocacy (with an active presence in Washington State legislative cycles in Olympia), networking and event programming, workforce development (including the affiliated Success Foundation and the Workforce Discovery Lab), and member services such as export documentation (Certificates of Origin), marketing opportunities, and a member-to-member discount platform (Hot Deals). The Chamber is led by President/CEO Samantha Le and operates with 1-10 staff.

The Chamber monetizes primarily through tiered annual membership dues ranging from $99 (Executive Edge for individuals) to $20,000 (Civic Community Builder), with intermediate tiers targeting small businesses ($315), classic businesses ($490), and Premier tiers from Silver ($890) through Diamond ($10,500). Additional revenue comes from event sponsorships for signature programs (Southside Leadership Conference, PNW Education & Workforce Summit, South King County Career Showcase, Success Foundation Annual Gala, Mayor's Reception), and fee-based marketing services including newsletter banner ads ($75-$175), website banner ads, Hot Deals listings, and job board postings. Go-to-market is community-led: membership recruitment is driven through signature events, networking mixers, ribbon cutting ceremonies, and staff-led District Walks outreach across the five served municipalities, with a volunteer Ambassador program supporting grassroots engagement.

The Chamber runs on the ChamberMaster membership management platform powered by GrowthZone, which provides member directory, event registration, communications, and self-service member portal functionality. There is no proprietary technology layer. The organization maintains a multi-channel digital presence (Facebook, Twitter/X, LinkedIn, Instagram, YouTube), a monthly newsletter reaching 3,000+ subscribers, and partnerships with anchor members including Boeing, Alaska Airlines, BNSF Railway, Puget Sound Energy, BECU, and the Port of Seattle, as well as the five municipalities it serves. The affiliated Success Foundation operates as a separately governed nonprofit entity focused on education and workforce development initiatives.

Name

Seattle Southside Chamber of Commerce

Legal name

Seattle Southside Chamber of Commerce

Website

https://seattlesouthsidechamber.com

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

1–10 employees

Short description

The Seattle Southside Chamber of Commerce is a nonprofit business association founded in 1988, serving more than 3,000 member businesses across five South King County cities (Burien, Des Moines, Normandy Park, SeaTac, Tukwila) through tiered memberships, advocacy, events, and workforce development programs.

Ownership category

akta.pro rank

Headquarters

HQ city

SeaTac

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Membership Dues: Annual membership dues ranging from $99 to $20,000 annually depending on membership tier. Tiers include Micro Non-Profit ($250), Small Business ($315), Classic Business ($490), Silver ($890), Gold ($3,600), Platinum ($5,900), Diamond ($10,500), Civic Community Builder ($20,000), and Executive Edge ($99).
2. Event Sponsorships: Sponsorship revenue from signature events, networking programs, and business summits. Sponsorship packages offer brand visibility, networking opportunities, speaking engagements, digital marketing, and social media promotion.
3. Marketing Services: Fee-based marketing opportunities including newsletter banner ads ($75-$175), website banner ads ($200/month or $500/3 months), Hot Deals listings, and job postings available to members.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels9 records

Core offering

The Chamber delivers tiered annual memberships to businesses in South King County, providing advocacy at local, regional, and Washington State levels, networking opportunities through signature events and mixers, a searchable member directory, marketing visibility services (newsletter banners, Hot Deals, job postings), certificates of origin for international trade, and workforce development programs such as the Workforce Discovery Lab.

Product overview

Seattle Southside Chamber of Commerce operates as a membership-based business organization offering a suite of interconnected services centered on member business support, community engagement, and economic development. The core offerings include a membership directory, event management and registration platform, and marketing opportunities system. Supporting services include sponsorship programs, hot deals/member-to-member discounts, job postings, certificate of origin services, and workforce development initiatives like the Workforce Discovery Lab. The platform is powered by ChamberMaster/GrowthZone membership management software and primarily serves businesses in Burien, Des Moines, Normandy Park, SeaTac, and Tukwila communities.

Differentiator

Problem solved

Functional benefit

Products and services

• Membership Directory A searchable online directory of Chamber member businesses enabling members to list company information, categories, and contact details for visibility within the business community.

Quantifiable outcome

• Supporting 3,000+ businesses and 180,000+ workers representing $100 Billion in annual revenue

Named customers10 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

15 partnerships are on record, tiered core and minor.

• Port of Seattle / Seattle-Tacoma AirportcoreStrategic or Co-development PartnerMajor civic partner and anchor member. Port representatives provide updates at Chamber events including the annual SEA Airport Luncheon and Business Roundtables. The Chamber advocates for airport-related business interests and Port participates in regional business planning.
• Alaska AirlinescoreStrategic or Co-development PartnerPlatinum member and featured partner. Alaska Airlines is one of the largest employers in the region and a key stakeholder in the South King County business community.
• BoeingcoreStrategic or Co-development PartnerPlatinum member and featured partner. Boeing is a major employer and economic driver in the South King County region.
• BNSF RailwaycoreStrategic or Co-development PartnerPlatinum member and featured partner. BNSF Railway operates significant rail infrastructure in the region.
• Puget Sound EnergycoreStrategic or Co-development PartnerPlatinum member providing energy services to the region. Key utility partner for businesses in South King County.
• BECUcoreStrategic or Co-development PartnerFriends of the Chamber partner and fourth largest credit union in the United States headquartered in Tukwila. Major financial institution serving the regional community.
• City of BuriencoreStrategic or Co-development PartnerCivic partner and municipality served by the Chamber. The Chamber works with the city on economic development and business support initiatives.
• City of Des MoinescoreStrategic or Co-development PartnerCivic partner and municipality served by the Chamber. Chamber engages with city leadership on business advocacy.
• City of Normandy ParkcoreStrategic or Co-development PartnerCivic partner and municipality served by the Chamber.
• City of SeaTaccoreStrategic or Co-development PartnerCivic partner and key municipality. The Chamber holds Business Roundtables in SeaTac and collaborates on economic development initiatives.
• City of TukwilacoreStrategic or Co-development PartnerCivic partner and home to major employers including Westfield Southcenter mall and numerous companies. Chamber works closely with Tukwila on workforce and economic development.
• Success FoundationcoreStrategic or Co-development PartnerThe Chamber's affiliated non-profit foundation focused on education and workforce development. Samantha Le serves as Executive Director of both organizations. Hosts annual gala fundraiser and workforce programs including the Workforce Discovery Lab.
• Washington Small Business Development Center (SBDC)coreStrategic or Co-development PartnerPartnership providing free 1-hour business consultations to Chamber members. SBDC advisors offer no-cost, confidential advising on business planning, financial analysis, and capital acquisition.
• Metier Brewing CompanyminorGTM or Marketing PartnerPartner in the SeaTac Global Soccer Fan Zone events at The Bullpen site. Provides community programming as part of the Fan Zone activations.
• Seattle Metro ChamberminorStrategic or Co-development PartnerRegional chamber partnership; co-sponsor of the Global Soccer Fan Zone events.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Renton Chamber of Commerce: Adjacent South King County chamber with overlapping SMB member base and similar mix of advocacy, networking mixers, and ribbon-cutting events.
• Auburn Area Chamber of Commerce: Another South King County chamber competing for overlapping SMB memberships with comparable advocacy and event programming.
• Bellevue Chamber of Commerce: Eastside chamber offering tiered membership, advocacy, and signature events to businesses across Bellevue and neighboring cities, directly comparable in scale and operating model to the Seattle Southside Chamber.
• Tacoma-Pierce County Chamber: Neighboring regional chamber serving Tacoma and Pierce County with the same core offering mix (membership tiers, events, advocacy, certificates of origin) and a comparable mix of enterprise-anchor and SMB members.
• Greater Seattle Chamber of Commerce (Seattle Metro Chamber): The principal regional chamber serving Seattle and surrounding metro area, offering overlapping advocacy, networking, and member services to South King County businesses. Co-sponsors regional events including the Global Soccer Fan Zones with the Seattle Southside Chamber.
• Kent Chamber of Commerce: South King County peer chamber with similar tiered membership structure, civic partnerships, and event-driven engagement model serving businesses in Kent.

Broad incumbents

• U.S. Chamber of Commerce: National federation of chambers; provides overarching advocacy, research, and resources that local chambers including Seattle Southside leverage in their programming and policy work.
• Washington State Chamber of Commerce: Statewide chamber umbrella organization with broader policy and advocacy remit; the Seattle Southside Chamber coordinates with it on legislative cycle engagement and statewide business climate initiatives.

Regional players

• Bellingham Regional Chamber of Commerce: Northwest Washington chamber running similar tiered-membership, event-driven, advocacy-oriented operations for Whatcom County businesses — same model, different region.
• Greater Kirkland Chamber of Commerce: Eastside-based chamber with comparable membership tiers and event offerings serving Kirkland-area businesses, not directly competing for South King County members but operating an analogous chamber model.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xtwitter.com/SeaSouthChamber
• YouTubeyoutube.com/channel/UCM-JIoJQZtaKqOL9QzFQ1vA
• Facebookfacebook.com/SeaSouthChamber
• LinkedInlinkedin.com/company/seattle-southside-chamber-of-commerce
• Instagraminstagram.com/SeaSouthChamber

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Seattle Southside Chamber of Commerce