The management team your business doesn't have to hire.

MAS MGT LLC runs marketing, operations, and reporting for owner-led businesses across the U.S., so you can focus on your customers. Planned and led from Puerto Rico.

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más (Spanish): more. More reach for your brand, more control over your operations, and more time back for you.

Based in Puerto Rico Serving clients nationwide Annual partnerships with monthly scopes Remote by design

What we take off your plate

We step in as your outside management team, owning the work that keeps a business growing but rarely gets the owner's full attention.

Marketing & brandA plan for the year, and someone watching it every week.

  • Marketing strategyAnnual plans built around your budget and goals.
  • Marketing managementCampaigns run, tracked, and adjusted month to month.
  • Social media oversightPerformance reviews and a strategy that keeps improving.
  • Brand oversightA consistent voice and look everywhere you show up.

Operations & administrationThe systems behind the front desk, kept running smoothly.

  • Business operations directionWorkflows reviewed and bottlenecks removed.
  • Administrative coordinationDay-to-day admin handled and organized.
  • Payroll coordinationSchedules, systems, and reviews kept on track.
  • Vendor managementSuppliers and service providers managed for you.

Strategy & growthClear numbers and the right partners to move them.

  • KPI reporting and trackingA reporting framework that shows what's working.
  • Strategic partnershipsNew partners identified, pursued, and managed.
  • Strategic business supportA thinking partner for the big decisions.
  • Staff schedulingCoverage planned around real demand.

Built for owner-led businesses

Our clients are established businesses that have outgrown doing everything themselves, but don't need a full in-house management team.

Healthcare practices

Dental and medical practices that want full schedules, smooth operations, and a brand patients trust.

Restaurants & hospitality

Restaurant groups and hospitality brands looking for sharper marketing and stronger partnerships.

Growing small businesses

Owner-run companies ready for real reporting, better systems, and a long-term plan.

How we work together

Every engagement follows the same rhythm, so you always know what's happening and why.

  1. Assess

    We review your marketing, operations, payroll, and vendors to see where time and money are going.

  2. Plan

    We build your annual marketing plan and a KPI framework, aligned to your budget.

  3. Run

    We manage the work every month against a clear scope, adjusting as results come in.

  4. Report

    You get regular KPI reports that show progress in plain numbers.

One partner. One annual agreement.

No hourly billing surprises. We agree on a year of work up front and set a clear scope for each month, so priorities stay visible and costs stay predictable.

Term
Annual engagements, renewed each year
Scope
A written monthly scope of services
Delivery
Remote, planned and directed from Puerto Rico
Reporting
Regular KPI reports and check-ins

Rooted in Puerto Rico. Working across the U.S.

MAS MGT LLC was founded in 2023 in Puerto Rico to give growing businesses the kind of management support usually reserved for much larger companies.

Led by Managing Member Michael A. Sinensky, our team brings hands-on experience running marketing, operations, and strategy for businesses in healthcare and hospitality. We work remotely with clients across the country, with the same attention we'd give a business down the street.

Founded 2023 Puerto Rico based Clients nationwide English & Spanish

Let's talk about your business.

Tell us a little about what you're working on. We'll reply within one business day to set up a free consultation.

info@masmgtllc.com