
Fathom 4
ReviewCustom software, cybersecurity, and product design from Charleston
About Fathom 4
Fathom 4 is a Charleston, South Carolina firm established in 2012, offering custom software development, cybersecurity, and product design. With a 10-49 person team, Fathom 4 serves clients that need a technically broad partner capable of handling product design, software development, and security within a single engagement. Over 12 years of regional operation, the firm has built a presence in the Charleston technology market.
Who Fathom 4 Is Best For
Fathom 4 is best for businesses in the Charleston area that need custom software development and cybersecurity addressed together, particularly for products where security is a foundational requirement. Their product design capability makes them a fit for clients developing new digital products rather than maintaining legacy systems.
Why Choose Fathom 4
Things to Consider
Fathom 4 Services
More Software Agencies

BGTS
Enterprises needing large-scale custom software and IT staffing across Europe
BGTS is a large custom software development and IT staff augmentation company with over 1,000 employees, operating a Düsseldorf office as part of their European presence. Their services span custom software development, IT staffing, AI development, cloud, and enterprise solutions. No public Clutch reviews are currently available to independently assess client satisfaction.

Cabin Consulting
Small and mid-size Charlotte area businesses needing technology consulting or custom software with local involvement
Cabin Consulting is a Charlotte, NC-based technology consulting and software development firm serving small and mid-market businesses. The company is early-stage in its public presence with limited third-party reviews available, making direct evaluation and referrals the most reliable way to assess fit. Their focus is on helping businesses solve operational challenges through custom software and technology strategy, primarily in the Charlotte metro region.

Blackburn Labs
★ 10Companies in healthcare, education, and real estate needing bespoke software with hands-on senior engineering
Blackburn Labs is a Providence, Rhode Island software development firm founded in 2015 by CEO and CTO Rob Blackburn. Named a Clutch Global Leader and Top Health and Wellness App Developer in Providence, they hold a perfect 5.0 rating across 15+ verified reviews. They specialize in bespoke web and mobile application development with particular strength in healthcare, education, and real estate verticals. In 2022 they expanded by acquiring Trilix's software application division, adding team depth and client breadth. Their practice covers application architecture, engineering, QA, deployment, and ongoing maintenance.