Winterberry Group LLC

What Winterberry Group LLC does

Winterberry Group is a specialized strategic growth consultancy serving the advertising, marketing, technology, data, and analytics sectors. It was founded in the mid-2000s (sources alternately cite 1998 and 2004) and is headquartered in New York City, with a formal presence in the UK and Europe. The firm operates a horizontal customer model across four segments: marketing and advertising operators, technology developers and platforms, data and analytics firms, and private capital investors (PE, VC, strategic). Services are delivered via direct, senior-partner-led consulting engagements under a quote-based pricing model, anchored by two decades of proprietary primary research.

The firm's offerings are organized around four practice areas: Growth Strategy consulting, Operational Design, Mergers and Acquisitions Advisory, and Market Intelligence. Each engagement is grounded in primary research, including recurring surveys spanning 120-250 industry participants and in-depth expert interviews. The proprietary research library covers specialized topics such as creative intelligence, connected commerce, AI-driven performance marketing, life sciences precision marketing, B2B marketing transformation, content management systems, direct mail, marketing analytics, identity solutions, customer journey management, and data collaboration. Annual outlook reports track spending forecasts across 20+ media channels for both U.S. and UK markets, with the firm's 2026 U.S. outlook projecting total marketing expenditure to exceed $664.2 billion at 9.4% growth and its UK outlook exceeding £60.0 billion at 10.3% growth.

Winterberry Group's business model is traditional professional services: quote-based pricing tied to scope and complexity, senior-partner-led delivery, and an enterprise B2B client base including Fortune 500 brands, agencies, technology platforms, trade associations, and PE/VC firms. The legal entity is Verista Partners Inc. (registered in Delaware), doing business as Winterberry Group. The company is privately held by its founding partners and principals, with no public listing, no disclosed funding rounds, and no identified institutional investor or parent company. Distribution is direct-to-client with thought-leadership-driven inbound, supported by white papers, annual outlook presentations, an email newsletter, recurring press coverage, and conference participation at venues such as Cannes Lions and ANA Masters of B2B Marketing.

Name

Winterberry Group LLC

Legal name

Verista Partners Inc

Website

https://winterberrygroup.com

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

Winterberry Group is a New York-based specialized strategic growth consultancy serving advertising, marketing, technology, data, and private capital clients through senior partner-led engagements backed by 20+ years of proprietary primary research.

Ownership category

akta.pro rank

Product category

Management Consulting

NAICS

Management Consulting Services (54161), Administrative Management and General Management Consulting Services (541611), Marketing Consulting Services (541613), Marketing Research and Public Opinion Polling (541910)

SIC

Services-Management Consulting Services (8742), Services-Management Services (8741)

akta.pro primary industry

Strategy & Corporate Development Consulting (BPAHACAA)

akta.pro secondary industries

Corporate Development & Strategic Partnerships Advisory (JVs, Alliances, Carve-outs) (BPAHAOAG), Corporate Strategy Advisory (BPAHADAA), Industry & Sector Research (Syndicated/Custom) (BPAHALAE)

Keywords

• Strategic growth consultancy
• Advertising market research
• Management consulting services
• Marketing technology advisory
• Mergers acquisitions advisory

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

Revenue model

1. Strategic Consulting Services: Winterberry Group provides strategic advisory services to brands, publishers, marketing service providers, technology developers, information companies, and financial investors. Services include growth strategy, operational design, M&A advisory, and market intelligence.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Winterberry Group is a specialized strategic growth consultancy that delivers research-driven advisory services to operators and investors across the advertising, marketing, technology, data and commerce sectors. The firm sells four core consulting practices—Growth Strategy, Operational Design, Mergers & Acquisitions Advisory, and Market Intelligence—backed by 20+ years of proprietary primary research and annual market outlook publications covering U.S., U.K., and B2B segments.

Product overview

Winterberry Group LLC is a specialized strategic growth consultancy, not a software product company. The firm operates as a unified professional services firm offering advisory services organized around four core practice areas: Growth Strategy, Operational Design, Mergers & Acquisitions, and Market Intelligence. The firm serves clients across four vertical markets: Marketing & Advertising, Technology, Data & Analytics, and Private Capital. Rather than a platform with modules, Winterberry Group's offerings consist of consulting engagements and an extensive portfolio of proprietary research publications including: annual outlook reports tracking U.S. and UK advertising, marketing and data spend; white papers on specialized topics such as AI-driven marketing performance, life sciences precision marketing, out-of-home media, creative intelligence, connected commerce, B2B marketing transformation, content management systems, direct mail effectiveness, marketing analytics, identity solutions, customer journey management, and data collaboration. These research products complement the advisory services but are not standalone software products.

Differentiator

Problem solved

Functional benefit

Products and services

• Growth Strategy Consulting

Quantifiable outcome

• 295% three-year growth rate ranked No. 1898 on Inc. 5000 list (2023)
• +1 more outcomes

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

14 partnerships are on record, tiered core, flagship and minor.

• MonkscoreGTM or Marketing Partner · 18 June 2025Co-presenter at Cannes Lions 2025 for session titled 'Playing in Perfect Sync: Orchestrating AI and Creative Intelligence' on June 18, 2025.
• SmartlycoreGTM or Marketing Partner · 17 June 2025Co-presenter at Cannes Lions 2025 for session titled 'From Moments to Movements: Building Brand Love Through Cultural Currency' on June 17, 2025.
• APR (Advertising Production Resources)coreStrategic or Co-development Partner · 1 February 2024APR served as sponsor for Winterberry Group research on 'The New Creative Paradigm: How AI is Transforming Video and Content Production' released February 2024.
• AnteriadflagshipStrategic or Co-development Partner · 1 September 2020Corporate sponsor of 'Outlook for B2B Marketing – A Market in Transformation' white paper examining B2B marketing transformation trends.
• Association of National Advertisers (ANA)flagshipStrategic or Co-development Partner · 1 September 2020Association sponsor of B2B Marketing white paper with research findings presented at ANA's Masters of B2B Marketing Conference.
• AcxiomflagshipStrategic or Co-development Partner · 24 June 2020Premier sponsor of Identity Outlook 2020 research providing comprehensive look at identity in privacy-first, post-cookie world with executive interviews and industry analysis.
• LiveRampflagshipStrategic or Co-development Partner · 24 June 2020Premier sponsor of Identity Outlook 2020 research contributing industry perspective on addressability and ecosystem development.
• Merkury (Merkle)flagshipStrategic or Co-development Partner · 24 June 2020Premier sponsor of Identity Outlook 2020 research providing perspective on enterprise identity and data platform capabilities.
• TransUnionflagshipStrategic or Co-development Partner · 24 June 2020Premier sponsor of Identity Outlook 2020 research contributing consumer data identity expertise and industry perspective.
• AdobeflagshipStrategic or Co-development PartnerAdobe serves as premier sponsor for Winterberry Group research initiatives including customer journey management and creative intelligence studies. The partnership involves joint research development and thought leadership content creation, with Adobe's technology perspective informing Winterberry's market analysis.
• United States Postal Service (USPS)flagshipStrategic or Co-development PartnerUSPS initiated and partnered with Winterberry Group for extensive primary research on direct mail performance and market dynamics, conducting research spanning November 2022 to August 2023 with hundreds of industry participants.
• Mars CommerceminorStrategic or Co-development PartnerClient partner featured on contextual commerce research report with logo displayed on research publication page.
• PrimaryminorStrategic or Co-development PartnerClient partner featured on contextual commerce research report with logo displayed on research publication page.
• Out of Home Advertising Association of America (OAAA)flagshipStrategic or Co-development PartnerCollaborative partner on comprehensive research report exploring OOH media's evolving role in connected commerce ecosystem.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• R3: R3 is a marketing transformation consultancy that helps brands and agencies reshape their operating models, agency roster management, and marketing organization design — directly overlapping with Winterberry's Operational Design and Growth Strategy practice areas serving the same Marketing & Advertising clients.
• Kepler Group: Kepler Group is a digital marketing consultancy providing strategic, data-driven advisory and activation services to brands and agencies — overlapping with Winterberry's Data & Analytics and Technology vertical clients, particularly around performance marketing and audience strategy.
• Prophet: Prophet is a global growth and brand strategy consultancy combining research-based insights with strategic advisory for CMOs and marketing leaders — comparable to Winterberry's Growth Strategy and Market Intelligence offerings with a similar research-to-advisory service model.
• LUMA Partners: LUMA Partners is a leading M&A and strategic advisory firm focused exclusively on the digital media, marketing, advertising, and technology sectors — the closest direct competitor to Winterberry's Private Capital practice, and the firm where Winterberry Managing Consultant Gayle Meyers previously served as Chief Growth Officer.
• MediaLink (UEG): MediaLink is a strategic advisory and consulting firm serving the intersection of marketing, advertising, technology, and entertainment — a near-direct peer to Winterberry Group's horizontal advisory model serving brands, agencies, and investors in the marketing ecosystem.

Broad incumbents

• Accenture Song: Accenture Song is the marketing, commerce, and experience transformation arm of Accenture, serving the world's largest brands with end-to-end strategy-plus-execution capabilities — a broad incumbent that competes with Winterberry for CMO advisory work but at substantially larger scale and with implementation bundling.
• Insider Intelligence (eMarketer): Insider Intelligence (parent of eMarketer) produces subscription-based digital marketing, advertising, and commerce research with forecasts and benchmarks — a broader incumbent with a recurring-revenue subscription model that overlaps with Winterberry's Market Intelligence practice and outlook franchises.
• Forrester Research: Forrester is a large-scale research and advisory firm producing syndicated research, advisory services, and consulting for marketing, technology, and customer experience leaders — a broader incumbent with subscription research monetization that Winterberry does not match, but with overlapping coverage of the same buyer personas (CMOs, martech leaders).
• Deloitte Digital: Deloitte Digital is the digital transformation and marketing consulting practice of Deloitte, serving enterprise clients across advertising, martech, and customer experience — a broad incumbent competing with Winterberry's Marketing & Advertising and Technology verticals at significantly greater scale and geographic reach.

Emerging players

• Stable│Kernel: Stable│Kernel is a boutique martech/adtech advisory firm providing strategy and operational consulting to brands, agencies, and investors — a smaller emerging peer with similar category focus and boutique service model, competing for some of the same operator and investor engagements as Winterberry.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/winterberrygrp
• Facebookfacebook.com/179481948755534
• LinkedInlinkedin.com/company/winterberry-group

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Winterberry Group LLC