Browse Marketing Agencies
Sonar Digital

Sonar Digital

Review
★7.9/10
🇺🇸 Portland, ME·2-9 employees·Est. 2019·Reviewed Feb 2026

Full-Service, Data-Driven Digital Marketing Agency

Visit Website
Best For
B2B and local businesses needing affordable data-driven SEO and PPC management
Hourly Rate
$75-99/hr
Min. Project
$1K+
Industries
B2B, Local Business, Professional Services

About Sonar Digital

Sonar Digital is a Portland-based digital marketing agency known for transparency, technical expertise, and a human-first mindset. Their team has nearly fifty years of combined experience turning complex digital strategies into precise, actionable results for B2B and local clients.

Why Choose Sonar Digital

Transparent reporting
Technical SEO expertise
Human-first approach
Affordable pricing

Sonar Digital Services

SEOSEMPPC AdvertisingSocial Media MarketingAnalyticsB2B Customer Acquisition

More Marketing Agencies

SmartyAds

SmartyAds

Publishers and advertisers needing programmatic ad tech infrastructure across DSP, SSP, and header bidding

SmartyAds is a Wilmington, Delaware-headquartered programmatic advertising technology company founded in 2011 by Ivan Guzenko. They operate a full-stack ad tech ecosystem including a Demand-Side Platform for programmatic media buying across mobile, display, native, and video, a Supply-Side Platform for publisher yield management, header bidding technology, and a curated deals marketplace. With 13-plus years of platform development and partnerships including Google, InMobi, PubMatic, and Rakuten Advertising, they have been featured in Forbes, Inc., and Entrepreneur. They are IAB registered and TAG certified.

View Profile
BrandLume Inc.

BrandLume Inc.

★ 10

SMBs seeking transparent, flat-rate digital marketing

BrandLume Inc. is an all-in-one branding, website, and digital marketing agency founded in 2011 in Toronto. With a 5.0 Clutch rating from 83 reviews and named Top Digital Marketing Agency in Canada two consecutive years, they power 6,400+ clients and partner with 400+ agencies globally through their unique flat-rate, wholesale pricing model.

View Profile
Burst Digital

Burst Digital

★ 10

Global brands seeking creative agency with SEO and AI search expertise

Burst Digital is an award-winning creative and performance agency founded in 2018 in London with offices in New York and San Francisco. With 5/5 ratings on all review platforms and 100s of high-profile clients, they specialize in branding, web design, marketing, SEO, and AI Search (GEO). Clients include Vivienne Westwood and Howden Group.

View Profile