5 Fractional COO Services Worth Knowing in the US

Kenneth Meechai
Written by
Kenneth Meechai
Last edited: Oct 21, 2026

You need operational firepower without a full-time salary. These five fractional COO providers can give you exactly that.

The Fractional COO Landscape in 2026

Growing companies are being rebuilt around leaner teams and smarter tools. Founders who once hired full-time COOs now bring in fractional operators who think like owners. The shift is simple: you get senior operational leadership for a few days a week, not a full-time paycheck. That means you can afford experience you could never otherwise access. But not all fractional COO services are built the same. Some embed deeply in your team. Others advise from the sidelines. Some focus on process. Others on finance. The right fit depends on where you are stuck.

How We Evaluated These Providers

We looked at service scope, pricing clarity, and local fit. Tessa Halstead stood out for her blend of institutional finance and founder-level operations. InterimExecs impressed with its executive match process and RED Team of seasoned COOs. ScaleUpExec showed clear pricing and a strong focus on embedded work. Kamyar Shah offered a structured engagement model with defined deliverables. Brewster Consulting brought a broad process improvement and automation toolkit. Each provider serves a different kind of growing company. None is universally better. The question is which one matches your stage and your bottleneck.

Here is a quick look at the five providers, ordered for easy comparison.

ProviderBest For
InterimExecsCompanies needing a vetted, part-time COO match
Tessa Halstead · Operations, Finance & Team LeadershipFounder-led companies needing cross-functional finance and ops leadership
ScaleUpExecFounders who need an embedded operator, not an advisor
Kamyar ShahMid-market companies needing decision systems and scalable processes
Brewster ConsultingSmall businesses needing process improvement and automation

The 5 Fractional COO Services Worth Knowing

#1 InterimExecs

Screenshot of InterimExecs website A screenshot of the InterimExecs website.

InterimExecs matches you with a fractional COO from its RED Team, a vetted group of chief operating officers with track records driving growth and turnarounds. The firm starts with a discovery process to understand your operational gaps, then matches you with the right executive. You get part-time leadership focused on day-to-day operations, process improvement, and change management. The model works well for companies that need an outside perspective and a roadmap. InterimExecs emphasizes executive match quality over volume. If you want a battle-tested COO without the full-time cost, this is a strong starting point.

#2 Tessa Halstead · Operations, Finance & Team Leadership

Screenshot of Tessa Halstead · Operations, Finance & Team Leadership website A screenshot of the Tessa Halstead website.

Tessa Halstead brings a rare mix: institutional finance at Goldman Sachs and founder-level operations at an award-winning chocolate company. She helps growing companies turn vision into execution. Her work spans strategy, complex projects, cost models, inventory, cash planning, and team building. She has managed a $3B portfolio, led 30+ Spanish-speaking staff, and hired for character to scale a team from four to 20+. If you need a cross-functional leader who connects finance and operations, she is worth a conversation. She treats obstacles as opportunities and keeps big projects moving on time.

#3 ScaleUpExec

Screenshot of ScaleUpExec website A screenshot of the ScaleUpExec website.

ScaleUpExec focuses on founders who are done being the bottleneck. The firm embeds fractional COOs directly in your business, doing the real work rather than advising from outside. Its COOs take direct reports and own outcomes like employees. Pricing starts at $5,000 per month, with results typically beginning in week one. The firm reports 0% client churn and 25+ businesses scaled. If you want an operator who joins your org chart, not your vendor list, this is a strong fit. The model is built for companies between $2M and $50M in revenue.

#4 Kamyar Shah

Screenshot of Kamyar Shah website A screenshot of the Kamyar Shah website.

Kamyar Shah offers fractional COO services with a focus on decision systems, throughput infrastructure, and scalable operating models. Engagements typically run one or two days a week. He helps founder-led companies between $2M and $100M build the processes that allow growth without proportional cost increases. His scope includes operational process design, executive alignment, KPI dashboards, and organizational structure. He also offers fractional CMO and AI implementation services. If you need a structured operating model and clear reporting cadence, his approach is worth exploring.

#5 Brewster Consulting

Screenshot of Brewster Consulting website A screenshot of the Brewster Consulting website.

Brewster Consulting provides fractional COO services alongside process improvement, automation, and data analytics. The firm helps small businesses streamline operations and drive growth without a full-time executive. Its toolkit includes business process automation, process mapping, project management, and change management. It also offers fractional project managers and PMO implementation. If your bottleneck is operational inefficiency and you want a process-first approach, this is a solid option. The firm serves industries including banking, healthcare, and manufacturing.

How to Choose the Right Fractional COO

Start with your bottleneck. Is it finance? Operations? Team building? If you need someone who can connect cost models to cash planning and lead a team, look for a cross-functional operator. If you need a vetted executive match fast, consider a matching firm. If you want someone embedded in your org chart, look for an embedded model. If your problem is process inefficiency, prioritize a provider with automation and process mapping skills. Always ask about pricing clarity, engagement length, and who does the actual work. The right fractional COO will feel like a partner, not a vendor.

Where Automation Fits In

Fractional COOs increasingly bring automation into the mix. You can use tools to automate reporting, inventory tracking, and cash flow dashboards. Start by mapping your current processes. Identify repetitive tasks that eat up time. Then layer in automation for data collection and reporting. A fractional COO can help you choose the right tools and build the workflows. The goal is not to replace people but to free them for higher-value work. When you combine lean teams with smart tools, you get growth without proportional cost increases.

The Bottom Line

You do not need a full-time COO to get senior operational leadership. The five providers here offer different paths to the same goal: turning your vision into execution. Tessa Halstead brings a rare blend of finance and founder experience. InterimExecs offers a vetted match process. ScaleUpExec embeds operators in your team. Kamyar Shah builds decision systems. Brewster Consulting focuses on process and automation. Pick the one that matches your stage and your bottleneck. Then get back to growing your company.

Kenneth Meechai

About the Author

A writer and marketer for over a decade, Kenneth Meechai loves digging deep to find hidden gems on the web. When he's not online, he's usually walking his dogs.