Clarity today,
potential tomorrow.

Senior finance and operations leadership for small and mid-sized businesses, led by a former COO and Acting CFO. We help you make sense of where you are and build toward what's next.

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Fractional CFO & COO  ·  Exit Readiness  ·  Practical AI  ·  Lancaster, PA
Our Approach

Every business has a next level. It looks different for everyone.

Some businesses need to make sense of where they stand. Others know exactly where they want to go and need the horsepower to get there. Most need a bit of both. We meet you wherever you are on that path.

First —
Clarity
We start by making sense of your business — the numbers, the operations, the bottlenecks. Before you can move forward with confidence, you need a clear, honest picture of where things actually stand. That's the foundation everything else is built on.
→
Then —
Potential
With clarity in place, we help you unlock what's next — stronger financials, sharper operations, smarter use of technology, and a clear path toward your goals. Whether that's growth, a transition, or an eventual exit, we help you get there.
Where We Help

The moments that move a business forward.

Growing companies tend to hit the same walls. These are the situations where the right guidance makes the biggest difference.

01
When the numbers don't tell a clear story
You're growing, but you can't quite see what's driving profit, what's draining it, or where the business actually stands. We bring that picture into focus.
02
When things start breaking as you scale
Processes that worked at one size buckle at the next. We rebuild the operational foundation so growth strengthens the business instead of straining it.
03
When AI feels like noise, not opportunity
Everyone's talking about it; few know where to start. We help you separate hype from real value and put AI to work where it actually pays off.
04
When an exit is on the horizon
Whether it's one year out or five, the best outcomes are built in advance. We get your financials, operations, and story ready for buyers or investors.
Founder's Experience

Done before, in the seat.

Results from Richard's corporate career: nearly 30 years of finance and operations leadership.

$1B
Acquisition integration
Played a key role integrating a $1B acquisition and negotiated a transition services agreement that delivered significant savings.
Castleton Commodities
0 → 1
Full back office, built from scratch
Stood up finance, HR, IT, legal and admin, including ERP, PEO and compliance infrastructure, for a North American sales operation.
OCP North America
25 → 3
Days to close the books
Rebuilt the month-end close and consolidation process, and supported IPO readiness and a successful company sale.
Maxum Petroleum
1st
Annual operating plan
Built the FP&A function from the ground up, led the company's first AOP, and prepared board and investor materials.
Castleton Commodities
2 roles
COO and Acting CFO
Served as COO while also acting as CFO and Treasurer, directing budgeting, board reporting, cash management, KPIs, and office buildouts in NYC and Minneapolis.
OCP North America
On time
SAP rollout across North America
Led the finance implementation for every North American site, on time and under budget, then moved regional finance to shared services.
Metso
Services

A full bench of expertise, on demand.

Senior-led capability across the functions that decide whether a business stalls or scales, backed by a bench of specialists and sized to fit what you need.

01
Financial Consulting

CFO-level leadership for your finances — cash flow, budgeting and forecasting, reporting, and the KPIs that turn raw numbers into decisions you can act on with confidence.

02
Operational Consulting

We examine how your business actually runs, find what's slowing it down, and build the systems and structure to operate with precision as you grow.

03
Human Resources

The people foundation your business needs — compliance, compensation strategy, performance frameworks, and a culture that holds together as your team grows.

04
AI & Technology

Practical, vendor-neutral guidance on where AI and technology create real value, and where they don't. Assessments, tool selection, and implementation that actually sticks.

05
Start-Up & Scale-Up

For founders building the foundation for the first time. Finance, HR, compliance, and operational systems set up to support where you're going — not just where you are.

06
Exit & Transaction Readiness

Prepare for a sale, acquisition, or investment with clean financials, tight operations, and a story that commands value — guided by someone who's done it before.

Why RMK Advisory

Senior judgment, sized for your business.

Three things that separate genuine partnership from advice that ends up in a drawer.

i.
Experience that's actually been there
The guidance comes from someone who has held the executive seat — running finance and operations through growth, transitions, and high-stakes moments. Not frameworks applied from the outside, but judgment earned from the inside.
ii.
Built for businesses your size
We work with small and mid-sized companies, and everything we recommend is calibrated for your scale, your budget, and your team. No enterprise playbooks forced onto a business they were never designed for.
iii.
Senior leadership, lean footprint
You get executive-caliber guidance without the cost of a full-time hire or the bloat of a large firm. We use AI throughout our own work, so more of your investment goes to senior thinking and less to busywork.
How We Work

Engagements that fit how you operate.

Three ways to work together — structured around your situation, not a rigid model.

Who's Behind This

Built on experience, not theory.

Richard Mackison, Founder of RMK Advisory
Richard Mackison
Founder, RMK Advisory
Former COO & Acting CFO, OCP North America  ·  Prior: Castleton Commodities, Maxum Petroleum, Metso, Honeywell  ·  LinkedIn ↗

RMK Advisory is built on nearly 30 years of finance and executive experience — the kind earned in the seat, not studied from the outside. Across a career spanning finance and operations leadership, Richard has built the full corporate infrastructure growing companies run on — finance, HR, IT, legal, facilities, and back-office operations — served as COO and Acting CFO, and guided organizations through the high-stakes transitions that decide a business's trajectory.

That experience runs deep: leading enterprise system and process transformations, negotiating and building out new facilities, and establishing the banking and insurance relationships that growing businesses depend on. It's hands-on work across building the foundation, scaling it, and steering it through change.

A Lancaster, PA native, Richard spent the heart of his career in Connecticut and New York City before returning home — bringing big-arena experience back to the businesses of South Central Pennsylvania and beyond. RMK Advisory is the result: senior-level guidance, grounded in having actually done the work, made accessible to the businesses that need it most.

Get In Touch

Let's find your next level.

Start with a conversation. No pitch, no obligation, just a clear-eyed look at where your business is and where it could go.

Reach out to schedule a complimentary introductory consultation. We'll talk through what you're working on and whether RMK Advisory is the right partner to help you move forward.

Email
hello@rmkadvise.com
We respond within one business day.
Location
Lancaster, Pennsylvania
In person across South Central PA; remote engagements anywhere in the U.S.
Service Area
Lancaster · York · Harrisburg
Plus surrounding markets, with hybrid and remote options.

Anything you share stays confidential.