Commercial & Industrial Outsourcing & Staffing HUB

One Proven & Trusted Partner for Commercial & Industrial Solution Services.

Built on Reliable Talent, Results & Relationships — a trusted, Execution- and Compliance-minded partner driving Transformation across Commercial & Industrial operations. 20+ years proven, for Multinationals & Global Corporations across Puerto Rico.

Proven Transformation
20+Years in Business
250+Professionals Deployed
MBE·HUBZoneCertified & NMSDC Member
10-YearMBE-to-MBE Alliance
Proven Transformation

Transformation & Execution Drive

Transformation is in our DNA. Twenty-plus years of Commercial & Industrial engagements, distilled into the outcomes that matter most — the full scope of how we get there lives in Solutions.

Commercial Transformation

Books, billing, and revenue operations built for global standards.

Workforce Management Transformation

Talent placed and managed with precision, from staffing to direct hire.

Security & Privacy Transformation

Systems and safeguards that keep pace with growth and risk alike.

Corporate Image Transformation

A presence worthy of the work — brand and identity built to match performance.

Medical Services / RCM Transformation

Precision revenue cycle management, proven at industry-leading levels.

Compliance & Internal Controls Transformation

Risk managed by design, not just monitored after the fact.

One Partner. Every Solution.

Solutions — The Scope We Deliver

Real solutions born from transforming our clients' businesses — organized the way you already think about Commercial & Industrial operations.

Workforce Management

Talent Acquisition & ManagementStaffing Commercial & IndustrialDirect HireOutsourcingProject ManagementSpecial Projects

Operations & Supply Chain

Supply Chain & LogisticsDemand Forecasting / PlanningInventory Control & Cycle CountWarehouse & DistributionNew

Quality, Compliance & Advisory

Management AdvisoryAssessments & ConsultingSupplier Quality ManagementEHS & Operations TrainerQuality AssuranceSOPs & Internal Procedures

Data & Finance

Data & Advanced AnalyticsFixed Assets & CapitalTechnology SolutionsAutomation & Business Process Reporting
Trusted Partnership Experience

20+ Years. One Formula. Proven Every Time.

01

20+ Years of Managerial Experience

Founded in 2006 by Javier Abreu, President & Founder. Over two decades managing outsourcing projects for global and multinational corporations, in Puerto Rico and beyond.

02

Past Performance & Results

A track record of strategic partnerships, measured in retained clients and repeat business.

Long-Term Partnership ExcellenceNorth America Project of the YearSignificant DSO & Past-Due Reductions100% Contracts Executed, Healthcare Providers
03

Awards & Recognitions

Recognized by clients and the MBE community alike.

J&J Professional Services Partner of the YearJ&J Diversity Partner of the YearWorkSense Recognition — Kelly Outsourcing GroupPRMSDC Supplier of the Year NomineeGoldman Sachs 10,000 Small Businesses
04

The 3 R's Formula

Not a tagline — a biography. The model that hasn't changed in 20+ years.

Reliable
Talent
+Results=Relationships
05

Credentials

The certifications behind the promise.

Licensed Employment AgencyMBE Certified — NMSDCHUBZone Certified — SBABabson College — Entrepreneurship CertificatePast President, PRMSDC
Our People

Reliable Talent, Never "Resources"

20+ years of outsourcing success starts with the people who show up for our clients every day. MACOSS invests in professionals, not headcount — the programs below are why 95%+ of our recruits meet and maintain our standards over the long term.

Talent Acquisition & Referral Program

A structured referral and management program that keeps our talent pool competitive and client-matched from day one.

Professional & Educational Development

Customized training aligned to industry and regulatory standards — the same program behind our certification success stories at Abbott.

Recognition & Incentive Program

Structured recognition that keeps retention above industry benchmarks and turns placements into careers.

Benefits for Temporary Employees

Full, law-abiding benefits regardless of assignment length — because reliable talent deserves reliable support.

High Retention RateIncreased Loyalty & CommitmentGreater ProductivityMost Admired & Best Place to Work
Our Strategic Partners

Multinationals & Global Corporations We Serve

Repeat business across Pharmaceuticals & Scientific Services, Consumer Goods, Finance, and beyond.

Once a partner, always a partner.

Pharmaceuticals & Scientific Services

  • Abbott
  • Johnson & Johnson
  • Merck
  • Pfizer
  • Bayer
  • Janssen

Consumer Goods & Manufacturing

  • Kimberly-Clark
  • Clorox
  • Kraft Foods
  • Mondelez
  • PepsiCo

Finance & Insurance

  • Banco Popular de Puerto Rico
  • BDO Puerto Rico

MBE-to-MBE Alliance

  • Mentor Technical Group — 10-year strategic alliance

Partners Over Time

Some of the relationships that shaped our first twenty-plus years — no longer active engagements, but instrumental to how MACOSS grew. (Placeholder entries — final names and years to be supplied by Javier.)

Partner Name · 2008–2014Partner Name · 2010–2018Partner Name · 2012–2020
Corporate Social Responsibility

Giving Back Across Puerto Rico

Corporate Social Responsibility at MACOSS starts outside our own walls — supporting the causes our team believes in, alongside 20+ years of reinvesting in Puerto Rico's local economy.

Girls' Youth Sports

Proud supporter of girls' youth sports programs across Puerto Rico — building confidence and teamwork on and off the field.

Community Initiatives

Ongoing support for local causes across the communities where our team lives and works.

Local Economic Contribution

250+ professionals employed and invested in Puerto Rico — a direct, ongoing contribution to the local economy.

Explore Careers

Build Your Career With a 20+-Year Employer of Choice.

Professional development, real growth paths, and 20+ years of proof that MACOSS invests in the people who work here.

As a Licensed Employment Agency, MACOSS places talent into administrative, professional, and industrial roles across Puerto Rico's leading multinational corporations — with the certifications to back the promise.

Licensed Employment AgencyMBE & HUBZone Certified
Bilingual Customer Service Rep.Commercial
Supply Chain PlannerIndustrial
Medical Billing SpecialistMedical Services
Quality Assurance AnalystIndustrial

Call us. We are your Trusted HUB.

Commercial services. Industrial services. Medical revenue cycle. Shared services management. All under one roof, all from one partner — built on 20+ years of trust.

Start the Conversation