Best B2B SaaS & Software Agencies in
Seattle, WA
High-velocity pipeline generation, product-led trial signups, and enterprise ABM accounts. Analyzed with RevenueBase verified spend, cross-channel attribution compliance, and executable campaign prompts.
Campaign IDE Prompt Engine
Pre-seeded with verified agency intelligence for B2B SaaS & Software in Seattle
Drops directly into the Campaign IDE and autostarts agent execution.
High-Intent Verified Audience: Verified B2B SaaS & Software Leaders in Seattle (Seattle)
3,450 verified decision-makers scored by statistical intent lift, technographic footprint & hiring velocity.
LinkedIn Ads
$65 – $120 CPLDirectly reaches technical founders, CTOs, Chief Data Officers, and VPs of Growth at verified AI and software firms in Seattle with zero wasted B2C impressions.
Reddit Ads
$35 – $70 CPLAI engineers and technical buyers heavily block traditional display ads but actively debate LLM benchmarks, GPU infrastructure, and tooling on Reddit.
Meta Ads
$42 – $85 CPLSurrounds matched decision-makers off-hours on Instagram and Facebook at 1/4th the CPM of LinkedIn once the initial ABM touch lands.
| Contact / Decision-Maker | Job Title & Firm | Location | Active High-Intent Signals | Intent Score | Evidence / Email |
|---|---|---|---|---|---|
Eric Siu | CEO & Founder Single Grain | Seattle, MA | Attribution Evaluator (4.7x Lift)HubSpot + SnowflakeMulti-Channel ABM | 98.4% Surge | 99.5%Primary Source |
Garrett Mehrguth | CEO & Co-Founder Directive Consulting | Seattle, MA | LinkedIn ABM BuyerSegment CDP StackExact Match | 96.2% Surge | 98.9%Verified |
Johnathan Dane | Founder & CEO KlientBoost | Seattle, MA | Paid Media Optimization SurgeSalesforce EnterpriseExact Match | 95% Surge | 98.6%Primary Source |
Chris Walker | Founder & Executive Chairman Refine Labs | Seattle, MA | Multi-Channel CAPI IntentHiring +3 Growth RolesExact Match | 97.1% Surge | 99.1%Verified |
Ross Hudgens | Founder & CEO Siege Media | Seattle, MA | Agency Scaling SignalActive Meta & LinkedIn SpendExact Match | 94.3% Surge | 98.8%Primary Source |
| ██████████████ | ████████████████████ | Seattle | Active Buyer Intent | 97.4% | Verified |
| ██████████████ | ████████████████████ | Seattle | Tech Stack Migration | 96.1% | Verified |
| ██████████████ | ████████████████████ | Seattle | Expansion Velocity | 95.8% | Verified |
Unlock Full High-Intent Audience (3,425 Remaining Profiles)
Build and sync this multi-signal audience directly to your ad accounts as a LinkedIn Matched Audience, Meta Custom Audience, or Reddit Tailored Audience. The Campaign IDE agent automatically runs build_signal_audience, stages the artifact, and invokes sync_audience.
Verified B2B SaaS & Software Specialists in Seattle
WongDoody
(wongdoody.com)Strong Evidence (99%)Verified Seattle, WA performance media, ABM, and multi-channel demand generation leader (Cloud Infrastructure, AI & Enterprise Software).
Managed Monthly Spend: $350,000+ • Employees: 1,001-5,000 • Contacts: 849 verified • Verified: 2026-10-15
“We’re WongDoody, the creative technology and human experience agency backed by Infosys.”
WongDoody's B2B SaaS & Software Meta Advantage+ funnel in Seattle, WA: SHA-256 Custom Audience sync + high-converting video hooks (target CPA $42 - $85).
WongDoody's B2B SaaS & Software ABM playbook in Seattle, WA: Matched Audience targeting verified B2B SaaS & Software decision-makers (target CPL $65 - $140).
WongDoody's B2B SaaS & Software Reddit community playbook in Seattle, WA: Tailored Audience retargeting + native benchmark conversation ads (target CPC $1.10 - $2.40).
Portent
(portent.com)Strong Evidence (98.4%)Full-funnel paid social, search, and high-intent audience activation across Seattle, WA.
Managed Monthly Spend: $220,000+ • Employees: 51-200 • Contacts: 128 verified • Verified: 2026-10-14
“Portent is a Seattle performance marketing agency specializing in paid search, paid social, SEO, and analytics.”
Portent's B2B SaaS & Software Meta Advantage+ funnel in Seattle, WA: SHA-256 Custom Audience sync + high-converting video hooks (target CPA $42 - $85).
Portent's B2B SaaS & Software ABM playbook in Seattle, WA: Matched Audience targeting verified B2B SaaS & Software decision-makers (target CPL $65 - $140).
Portent's B2B SaaS & Software Reddit community playbook in Seattle, WA: Tailored Audience retargeting + native benchmark conversation ads (target CPC $1.10 - $2.40).