SEO Inc. vs Single Grain

A head-to-head comparison of SEO Inc. and Single Grain in seo agencies, scored across the same 5 weighted criteria so you can see exactly where each agency is stronger.

SEO Inc.

SEO-focused digital marketing services for brand visibility and revenue growth.

78/ 100 overallHigher score
Single Grain

Revenue marketing agency focused on pipeline growth through SEO, paid media, CRO, and AI-native execution.

75/ 100 overall

Score-by-score

CriterionSEO Inc.Single Grain
Website Presence(20%)9088
Search Visibility(20%)7262
Trust & Credibility(20%)7876
Market Presence(15%)7674
Customer Satisfaction(10%)7072
Overall7875

Pricing at a glance

SEO Inc.

Model
Custom quote, primarily monthly retainer SEO engagements sold by the team behind SEO.com (WebFX), with evidence of SEO package pricing and broader project-based engagements. Billing appears mainly monthly for ongoing SEO, while larger multi-service engagements can scale into substantial custom project budgets.
Typical range
$3,000+/month
Full SEO Inc. pricing →

Single Grain

Model
Custom monthly retainer / revenue-marketing engagement. Public evidence on Single Grain’s own site says engagements start at a monthly retainer, and directory profiles indicate they also take project-based work with custom scoping rather than fixed packages.
Typical range
$15,000+ / month
Full Single Grain pricing →