What Herringbone Digital does

Herringbone Digital is a Trinity Hunt Partners-backed acquisition platform established in April 2025 to acquire and operate digital marketing agencies serving local services businesses, including law firms, dental practices, elective medical practices, and home services companies. The company executes a roll-up strategy, acquiring established agencies and retaining their brands, leadership, and client relationships while layering shared resources across the portfolio. To date, all disclosed acquisitions sit in the legal-marketing vertical: Hennessey Digital (acquired June 2025, California-based SEO and digital services for law firms), CJ Advertising (acquired August 2025, personal injury marketing with 30 years of proprietary performance data), and BluShark Digital (acquired January 2026, Washington D.C.-based local search serving over 300 law firms). Each acquired agency continues operating under its own brand, with founders retained in operational and, in BluShark's case, board roles.

The platform's operational backbone is a shared technology and AI enablement layer run by a thin parent team (1-10 employees at the holding-company level) comprising CEO Raj Ramanan, CFO Michael Lucente, an M&A origination function led by Azim Nagree, and operations staff. Approximately 70 AI experiments run across portfolio companies covering content creation workflows, campaign optimization, client reporting automation, internal knowledge management, lead scoring, and creative production, with proven applications rolled out platform-wide. This shared R&D infrastructure is positioned as a mid-market capability that individual agencies could not cost-justify independently, though the portfolio companies collectively hold decades of proprietary vertical-specific marketing data that represent the primary durable asset class.

Revenue mechanics are those of a holding company: the parent monetizes through the consolidated operating performance of portfolio agencies rather than direct subscription or transactional revenue from end clients. End customers are law firms and other local services businesses that purchase SEO, paid media, and digital marketing services from the retained agency brands. No public pricing exists for the parent platform. By February 2026, the combined portfolio revenue had exceeded $100 million within 14 months of launch, and the stated investment thesis targets eventual exits through portfolio-wide growth and aggregation.

Name

Herringbone Digital

Legal name

Herringbone Digital

Website

https://herringbonedigital.com

Company type

Private

Founded year

2025

Operating status

Operating

Headcount range

11–50 employees

Short description

Herringbone Digital is a Trinity Hunt Partners-backed acquisition platform that acquires and operates digital marketing agencies serving law firms, with planned expansion into dental, medical, and home services verticals. Portfolio companies (Hennessey Digital, CJ Advertising, BluShark Digital) collectively serve over 500 law firms and exceed $100M in combined revenue.

Ownership category

akta.pro rank

Headquarters

HQ city

New York

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Digital marketing agency portfolio management: Herringbone Digital builds a multi-vertical platform of digital marketing agencies serving law firms, dental practices, elective medical, and home services. Revenue is generated through the collective performance of acquired agencies, with a strategy to grow portfolio companies and realize value through eventual exit.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Herringbone Digital is a private equity-backed acquisition platform that acquires and operates digital marketing agencies serving local services businesses (law firms, dental practices, elective medical, and home services). Acquired agencies retain their brand identity and existing client base while gaining access to shared capital, operational support, talent, and an AI enablement platform running approximately 70 experiments across the portfolio covering content creation, campaign optimization, client reporting, lead scoring, and creative production.

Product overview

Herringbone Digital operates as a multi-industry acquisition platform that acquires and operates digital marketing agencies. Rather than a single unified product, the company functions as a portfolio of distinct agency brands serving specialized verticals: legal (Hennessey Digital, BluShark Digital, CJ Advertising), dental, healthcare, and home services. Each acquired agency maintains its existing brand while gaining access to shared resources across engineering, data, AI enablement, and operations. The platform surpassed $100 million in portfolio revenue in February 2026, just 14 months after launch.

Differentiator

Problem solved

Functional benefit

Products and services

• CJ Advertising
• Hennessey Digital
• BluShark Digital

Quantifiable outcome

• $100M+ portfolio revenue reached in 14 months post-launch
• +1 more outcomes

Named customers3 records

Segments1 record

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Three partnerships are on record, tiered core.

• BluShark DigitalcoreStrategic or Co-development Partner · 21 January 2026Acquisition of BluShark Digital, a Washington, D.C.-based legal marketing and local search agency serving over 300 law firms. Founder Seth Price joined the Herringbone Digital Board of Directors. BluShark continues operating under its brand with existing leadership (CEO Seth Price, President David Brenton), gaining access to engineering, data, AI enablement, and shared operations resources.
• CJ AdvertisingcoreStrategic or Co-development Partner · 21 August 2025Acquisition of CJ Advertising, a personal injury law firm marketing company with a 30-year creative legacy and proprietary database of PI advertising performance data. The merger combined CJ's established market position with Herringbone's digital expertise to deliver comprehensive marketing solutions for law firms.
• Hennessey DigitalcoreStrategic or Co-development Partner · 10 June 2025Acquisition of Hennessey Digital, a digital marketing agency specializing in SEO and digital solutions for law firms, based in California. This was Herringbone Digital's first investment in the legal marketing vertical. Jason Hennessey (founder) transitioned to a leadership role, bringing 7x Inc. 5000 recognition and eight-figure revenue.

Scale indicators6 records

Recent moves7 records

Expansion highlights7 records

Direct peers

• Custom Legal Marketing: Specialized legal marketing agency serving law firms with SEO, PPC, and web design. Directly comparable to Herringbone's legal vertical portfolio companies in target customer, service mix, and competitive positioning.
• Hero Digital: PE-backed digital experience agency that has pursued a roll-up of digital marketing capabilities. Comparable in business model as a PE-backed consolidator building a multi-capability digital services platform.
• Wpromote: Large independent performance marketing agency with comparable service breadth (SEO, paid media, content) and client profile. Comparable in scale and acquisition-oriented growth strategy to Herringbone's portfolio companies.
• PaperStreet: Legal marketing agency specializing in law firm web design, SEO, and content. Directly comparable to Hennessey Digital and BluShark Digital in the legal vertical, serving the same law firm client base with similar digital marketing services.
• Power Digital Marketing: PE-backed (Periscope Equity) performance marketing agency with similar service mix and growth-by-acquisition strategy. Comparable as a PE-backed platform leveraging technology and data to deliver marketing services.
• WebFX: Full-service digital marketing agency with comparable scale, service breadth, and target market. Comparable as a large independent agency serving SMBs with integrated digital marketing solutions.
• Thrive Internet Marketing Agency: Full-service digital marketing agency with comparable service offerings (SEO, paid media, web design) and target SMB client profile. Comparable as a scaled mid-market digital agency serving local services businesses.
• Tinuiti: PE-backed (New Mountain Capital) independent performance marketing agency operating at similar scale to Herringbone's portfolio. Closest comparable as a scaled, PE-backed marketing services platform with multi-channel acquisition and operational consolidation.

Broad incumbents

• Publicis Groupe: Global advertising holding company with broad marketing services portfolio. Comparable as a large incumbent that could acquire or compete with Herringbone-style rollups, and represents a potential strategic exit path.
• WPP: Global advertising holding company with deep digital marketing and media capabilities. Comparable as a large incumbent in the broader marketing services space and a potential acquirer of scaled, multi-vertical marketing platforms.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/herringbonedigital

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

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

M&A3 records

Investments

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

Frequently asked questions about Herringbone Digital