What Altermark does

Altermark is a São Paulo, Brazil-based for-profit advertising agency that specializes in out-of-home (OOH) media planning. Founded in 1987, the firm operates as a private independent agency with a small headcount of 11-50 employees, suggesting a boutique operating model focused on a niche vertical within Brazil's broader advertising ecosystem. The publicly disclosed scope of activity is narrow: OOH media planning is a service category that entails advising advertisers on the selection, placement, and scheduling of billboards, transit, street furniture, and other physical media formats — typically without owning media inventory.

Information on the underlying product surface, technology stack, pricing model, go-to-motion, customer segments, and revenue mechanics is not available from accessible sources. The company website returned only a verification/loading page during data collection, and there are no app listings, API or SDK offerings, named customers, case studies, awards, partnerships, certifications, or management profiles in the input data. No funding rounds, acquisitions, leadership changes, or product launches are documented. The 37+ year operating history and lack of public scale signals (no headcount growth data, no disclosed revenue, no parent company or subsidiaries) suggest a stable, independently-held service business rather than a venture-backed or platform-stage company. For an investment audience, Altermark currently presents as an unverified, data-thin small services firm where even basic firmographic due diligence requires direct outreach.

Name

Altermark

Website

https://altermark.com

Company type

Private

Founded year

1987

Headcount range

11–50 employees

Short description

Altermark is a São Paulo, Brazil-based advertising agency founded in 1987 that specializes in out-of-home (OOH) media planning. The private firm operates as a boutique agency with 11-50 employees serving advertisers in the Brazilian market.

Ownership category

akta.pro rank

Headquarters

HQ city

São Paulo

HQ country

Brazil

HQ region

Latin America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales

Core offering

Altermark is an advertising agency that specializes in out-of-home (OOH) media planning. The firm plans and procures outdoor advertising placements for brands and advertisers, operating as a media planning service provider rather than a software or platform company.

Differentiator

Problem solved

Functional benefit

Products and services

• OOH Media Planning Out-of-home (OOH) media planning service that plans and procures outdoor advertising placements for brand advertisers and agencies. Targeted at marketing teams and brand managers needing outdoor media exposure in the Brazilian market.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Direct peers

• Posterscope: Global OOH media planning and buying specialist within Dentsu. Most direct comparable: pure-play OOH agency serving advertisers with planning, buying, and increasingly digital OOH capabilities, just like Altermark's focus.
• Kinetic Worldwide: WPP-owned OOH specialist agency focused on media planning, buying, and activation. Closest peer in terms of specialist OOH service offering targeting the same advertiser pain points as Altermark.
• Rapport (IPG Mediabrands): Specialist OOH agency within IPG Mediabrands providing OOH planning and buying. Direct competitor in the same niche of dedicated OOH media services.

Broad incumbents

• Dentsu (Brazil): Global advertising holding group with Brazilian operations and a dedicated OOH specialist (Posterscope). Competes for the same advertiser budgets and could be an acquirer of a specialist like Altermark.
• Carat: Global media buying agency within Dentsu. Adjacent peer that handles OOH as part of broader media plans; competes with specialist OOH agencies for full media budgets.
• WPP (Brazil operations): Global advertising holding company with extensive Brazilian operations (including Ogilvy, Grey, GroupM). Represents the large incumbent competitive set Altermark operates within for major advertiser accounts.

Others

• JCDecaux: World's largest OOH media owner with significant presence in São Paulo. Altermark would be a customer/partner in planning and selling media on JCDecaux's inventory; useful for understanding supply-side dynamics.
• Clear Channel Outdoor: Major global OOH media owner with Latin American operations. Counterparty to agencies like Altermark in the OOH ecosystem; useful for supply-side context.

Regional players

• AlmapBBDO: Major Brazilian full-service advertising agency and one of the most awarded in Latin America. Comparable in that it competes for the same Brazilian advertiser marketing budgets, though broader in scope than Altermark.
• DPZ&T: Prominent Brazilian full-service creative and media agency. Regional competitor for Brazilian advertiser accounts with broader service offering than Altermark.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat2 records

Key highlights4 records

Customer concentration

• Xx.com/altermark
• Facebookfacebook.com/altermarkooh
• LinkedInlinkedin.com/company/altermark

Revenue estimate

Valuation estimate

Number of profiles

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 Altermark