StackOptimise

Co-Founder

Birdie

Account Executive

Oxwash

Sales Manager

Senior Account Executive

Mallow & Marsh

Selling a premium FMCG product to cafes and convenience stores.

Opened over 30 accounts in 3 months during the hottest summer on record. Exceeded target by 100%.

Field Sales Intern

The Dealer App

Selling a discounter platform that allowed cafes, deli*s and restaurants to sell surplus food, minimising their waste and maximising revenue.

Closed 16 accounts, predominantly independent cafes. Delivered in-person platform demos to ensure a smooth onboard.

Conducted a multi-channel B29 campaign targeting University students, resulting in over 100 sign-ups.

Co-Founder @StackOptimise | Everything Sales-Tech ⭐️

Co-Founder @StackOptimise

A Premium Growth Partner for B2B Companies.  

We combine the latest AI tools & sales-tech with industry-leading copywriting to put your top-of-funnel on autopilot. 

1. Over 15+ years in B2B Sales. 
2. Awarded 2x expert certification in B2B sales-tech (1/6 Clay experts in the UK). 
3. Amassed a community of over 50k sales pro's across all platforms. 
4. Supported over 25+ B2B companies to generate a consistent stream of high-quality leads. 

If you're a B2B business with a total addressable market over 10k, let's have a chat: 

https://calendly.com/d/cqf2-9q8-qty/meeting-with-stackoptimise

Or if you're really serious, call me: 

+447800727673

Email: Penn@stackoptimise.com ✉️
IG: www.instagram.com/sellmethis_penn/ 📷
Newsletter: https://stackoptimise.substack.com/ 🚨
Website: https://stackoptimise.com

Penn Frank ⚙️

Most LinkedIn DMs go nowhere.

Ours booked 756 meetings this year alone, across all clients. 

Here are the 3 message styles that got prospects to actually say “yes.”

1️⃣ The Curious Insider Message
2️⃣ Future Framing
3️⃣ The Gut Check Voice Note

And that’s just a glimpse - these are pulled from our full library of 17 proven outreach templates we use every day to start real conversations.

Want the full list?

Like this post + comment “DM” below, and I’ll send it over. (Must be following to receive.)

11 Cold Emails That Booked Calls at Disney, Apple & Google (and more global brands)

Breaking into enterprise is a different ball game - and these 11 real-email examples show you exactly how we did it.

Inside you’ll find:
 • The full emails that secured meetings at massive companies
 • The exact prompts to replicate these emails for your own business
 • The gatekeeper-friendly trick that got messages forwarded to decision-makers

Want a copy? 

Like this post + comment “ENTERPRISE” below and I’ll send it over. (Must be following to receive.)

Year 2 building StackOptimise 🚀

Here’s what we shipped this year:

1️⃣ Launched the world’s first GTM Engineer course. 
2️⃣ Released the $1M Messages eBook. 
3️⃣ Launched our newsletter - 15k subs in 8 months.
4️⃣ Grew the team from 2 to 17.
5️⃣ Expanded our client base from 8 to 20+.
6️⃣ Rebuilt our website - monthly traffic up from 4k to 30k/month.
7️⃣ Became 3× certified experts in B2B sales-tech.
8️⃣ Expanded service line (LinkedIn outreach & RevOps). 

Year 1 was survival.
Year 2 was systems and scale.
Year 3 is where everything compounds.

Onwards.

Welcome to the team, Viktor. 

He’s only a few weeks in, but we knew straight away he was built for GTM Engineering.

We assigned him three clients on day one.

One of them launched a week after he started. Their target was 28 leads per month. He smashed that target in 3 days. 

Beyond the numbers, his technical depth is insane.

Custom landing pages and AI-generated videos personalised to each lead… fully bespoke GTME workflows that would take most people months to figure out.

This is exactly the level we’re building towards at StackOptimise. Elite operators who ship fast and seriously raise the bar.

If you’re an elite operator who wants to build at this pace, we’re still hiring - come join us: https://tally.so/r/m6a5rY

Cold email and LinkedIn DMs serve the same goal - but they work in slightly different ways.

We’ve run thousands of both everyday, and here’s what we’ve learned 👇

1️⃣ Copy
Cold emails need to sound professional and stripped down.
LinkedIn DMs work best when they sound like something you’d actually say.

2️⃣ Volume
Cold email = scale. 20–30/inbox/day.
LinkedIn = slower pace. Around 200 new connections/week/profile. 

3️⃣ Rules
Email success comes from relevance and proof - direct, simple, and credible.
LinkedIn success comes from consistency - showing up, commenting, and sharing useful content.

4️⃣ Follow-up
Email: 3-5 value-led touchpoints. No empty followups. 
LinkedIn: max 3 messages, spaced out, keep it social.

5️⃣ Tools & Testing
Email: test multiple versions - value, case study, pain question.
LinkedIn: test different DMs at scale, double down on what gets replies.

6️⃣ Results & Setup
Cold email: higher volume, lower reply rate, easy to scale.
LinkedIn: smaller volume, higher engagement, harder to scale.

Both channels work - but for different reasons.
Email is the engine.
LinkedIn is the accelerator.

The best outbound strategies use both — working together, not competing.

Learn how to leverage both at scale in 2025: https://lnkd.in/eN7qinfB

$250k ARR closed this week.

We’re scaling hard. We need more hands.

GTME applications @StackOptimise ⚙️: https://tally.so/r/m6a5rY

You’ll learn GTM Engineering at the highest level - plus a platform to build your brand and establish yourself as a recognised leader.

Felix and I only spotted the opportunity in outbound (AI-driven sales + GTM engineering) because we’d spent 15 years collectively in B2B sales. If we weren’t deep in that world, we wouldn’t have seen it. 

People talk about “eureka moments” like flashes of inspiration. Ideas that magically fall out of the sky. They don’t. As Zuckerberg says, this is a dangerous lie.

Your ideas are a product of your knowledge.
Your knowledge is a product of your experiences.
The deeper your experiences, the better your ideas. 

So don’t get emotionally attached to the first draft of a business idea - it’s just the starting point. Because early on, your business will likely change direction anyway (we've pivoted our model 3 times in 2 years). 

And the deeper you get into your domain, the more opportunities emerge. We’re now seeing entirely new ways to scale the business - ideas we simply couldn’t have accessed without being in the trenches long enough to earn that level of insight.

Don’t refrain from entrepreneurship because you question your initial idea - that idea is the stepping stone to unlocking great ideas. Get started.

How we generated $450k ARR for our agency in the last 3 months:

Cold email.

A 6-step cold email sequence.

Not 2 steps.
Not 3 steps.
Six.

Because when done properly, a longer sequence compounds your credibility.

This is the most powerful sequence I’ve ever created.

Here’s why it works:

1️⃣ We identify 22+ unique personalisation points per lead.
2️⃣ Every email builds on the last. There’s a cohesive narrative. 
3️⃣ Zero reminders. Every step adds new value.
4️⃣ The tone is so human it disarms people.
5️⃣ Lots of pattern disruptors. Copy that makes the reader pause and think: “Ok… this is different.”

When you stack all of that across six well-crafted touches, you create something rare: a sequence that starts conversations with people who normally ignore cold email.

The industry keeps preaching 2 - 3 steps.
But if each step compounds, you can scale it up. 

And if we can make it work pitching outbound service (the hardest, most saturated service to pitch via outbound), we can make it work for your business. 

If you want us to build this exact engine for you -
book a call and I’ll walk you through it step by step: https://lnkd.in/e3qxXKmr

Ok, I'm super biased. 

But I really believe this is the Age of the Outbound Agency.

Let me explain why 👇

1️⃣ Ramp time
SDRs take months to get going. You need to train people, test scripts, build lists, and wait for results. With an agency, you start seeing leads within weeks, sometimes days. 

2️⃣ Experience level
Most SDRs are entry-level. They learn on the job - which usually means learning with your accounts. Agencies are made up of specialists who’ve already run hundreds of campaigns. You skip the learning curve.

3️⃣ Tech stack
In-house teams often use old tools or limited software budgets. Agencies already have the full stack - data tools, enrichment layers, AI personalisation, automation - all integrated.

4️⃣ Data and optimisation
SDR teams often lack the volume or data to learn fast. Agencies run thousands of sends per day across clients, so they can spot patterns instantly and keep improving results.

5️⃣ Risk
Inexperienced SDRs are susceptible to bad practices that can destabilise performance, like burning your domain or TAM. Agencies protect deliverability with domain pools, warm-up systems, and smarter targeting logic.

6️⃣ Experimentation
A/B testing rarely happens consistently in-house. It’s slow, and SDRs don’t always have the time or know-how. Agencies live and breathe iteration. They test constantly - messaging, timing, CTAs - and double down on what works.

7️⃣ Cost
An SDR setup means salary, tools, management, and turnover. An agency gives you a whole team, stack, and strategy for a fraction of the cost.

Right now, agencies have the edge because outbound has become a technology game. The power lies in the tools, data, and automation - and agencies are the ones moving fastest to harness it ⚙️

Book in a call with StackOptimise and see how we can build a fully optimised outbound engine for your business: https://lnkd.in/eg3YnNdR

The StackOptimise mission statement: 

To find the fastest path to ROI in outbound, for B2B companies of all sizes. 

Our process is built around one goal: to scientifically find message-market fit as fast as possible.

Here's how we do it.

1. Create 10+ unique outreach messages  
2. Allocate 1–2k leads to each message. 
3. Scrap the low performers. 
3. Further testing on top performers (subject line, PS line etc). 
4. Merge the top-performing messages into a sequence. 
5. Granular testing on the full sequence (scheduling, length etc). 
6. Allocate 80% of volume to optimised sequence and keep 20% for innovation. 
7. Refresh messaging every 4 months. 

We treat outbound like a product. 

One that should evolve every month based on data, not instinct.

That’s how we find engineer message-market fit faster than anyone else.

Book in call with us to learn more: https://lnkd.in/e3qxXKmr

The 47 Laws of Outreach Copy 📕

Law 1️⃣ Never use the long em dash "—". 
Law 2️⃣ Keep paragraphs to 1-2 lines. 
Law 3️⃣ Emails can be long or short but always trim the fat. 

To access all remaining laws: 

📺 Video breakdown: https://lnkd.in/eN2BGNNr

📕 PDF File: https://lnkd.in/eKmMa8Cr

The most unhinged offer in outbound:

We build you an elite 4-month outbound engine with:

↳ Fully managed infrastructure
↳ AI-powered personalization
↳ Signal-based targeting
↳ Unlimited campaigns & volume
↳ Custom automations
↳ Dynamic lead magnets
↳ Full CRM integration

The guarantee: 50+ positive replies in Month 4 alone, or full refund.

That's it. Give us time to dial it in, then we deliver - or you pay nothing.

All we need? A big enough TAM.

Don't care about your offer, industry, or if you even have customers yet. 

If the market's there, we'll crack it.

Apply: https://tally.so/r/A777po

4 new eBooks released 📚📚

1️⃣ The Secret to Close Outbound Sales Opportunities 
↳ Turn warm replies into signed deals - consistently.

2️⃣ Inbox Engineering 
↳ The 2025 military-grade method to bypassing spam filters. 

3️⃣ 24 Business Learnings in 24 Months 
↳ Real lessons from rapidly scaling to $1.5M ARR. 

4️⃣ Making Cold Outreach Funny 
↳ How to utilise the most underutilised weapon in outbound.

Vol 30 🚀

Email sub here (15k+ subs in 8 months): https://lnkd.in/enBDWP5w

View newsletter: The StackOptimise Newsletter 

Go-To Newsletter for GTM Operators. Every week we share 1 template, 1 tutorial, 1 tool, 1 tip and 1 FREE Gift. This exists to be the most value-packed

Open article: Vol 30.  by Penn Frank ⚙️ • 2 min read

Michael Blakley

Equitas

Creating faster, fairer hiring with Equitas. Our inclusive interview software and dynamic interview frameworks allow companies to run their interview and assessment process with a simple, intuitive and structured approach to interviewing, assessing and selecting candidates. 

We are changing the way people assess with a focus on reducing interviewer and assessor bias, improving accuracy and making the assessment process more efficient and cost-effective. Currently working with some of the biggest healthcare providers in Ireland and the UK.

Freedom Recruiting

Founded a recruitment agency in 2012 focusing on primary contract with ALDI as my first client. Worked on freelance contracts as an interview and assessment specialist with BSkyB, MOJ, Home Office & TFL. Completed over 10,000 interviews and assessments with both FTSE 100 companies and the Public sector. A selection of clients are listed below:


Ministry of Justice
 
•	Delivered high volume recruitment campaigns to help recruit over 7000 Prison Officers and over 1000 Probation Service Officers
•	Resourced, led and managed a team of 20 assessors across three HMP locations
•	Assessed complex role-plays using professional actors
•	Assessed and interviewed on HMP Graduate Fast Track Scheme
•	Lead assessor for HMP Graduate written and IT tests
•	Developed best practice guide for written test invigilation
•	Delivered and implemented a new IT system for HMP assessment centre
•	Trained both assessors and internal HMP staff on the new equipment and software
•	Compiled an IT manual for the recruitment department
•	IT integration resulted in a cost-saving of over £100,000 per year


BSkyB

•	Delivered hundreds of assessment centres and interviews for BSkyB for their high volume recruitment campaigns for call centres and engineering across UK
•	Executed quality assurance and materials training to over 15 BSkyB assessors, in order to promote continuous improvement of their recruitment process
•	Weekly updates with BSkyB leadership team to ensure their requirements are fully met and that each team exceed client expectations


ALDI Stores LTD

•	Formulated a recruitment strategy for ALDI NE region to meet their exponential growth strategy
•	Worked in partnership with ALDI to develop and deliver their attraction, telephone screening, open days, assessment centres, interviews, work trials, contract signing and exit interviews
•	Recruited over 100 new ALDI starters in one year
•	A retention rate of over 70% for new starters in the first year (previously 40%)

Founder

Havas People

Assessment Consultant with Havas People. Focused on high volume recruitment campaigns.

Associate Assessment Consultant

Hays

Recruiting on high volume, graduate campaigns through to director level.

Associate Assessment & Recruitment Consultant

Transport for London

Associate Recruitment & Assessment Consultant with TfL. Working on high volume recruitment campaigns. Delivering hundreds of high volume assessment centres.

Assessment Consultant

ALDI Stores

ALDI Graduate Area Manager Scheme

•	Managed 5 Stores and over 90 members of staff, with annual turnover of over £25m
•	Successfully trained, coached, motivated and mentored a team of 14 Managers
•	Involved with managing risks and delivering new products to market
•	Managed high volume recruitment campaign
•	Self-developed own business acumen, time management and prioritising workload
•	Responsible for sales increase of 42% resulting in 80% increase in staff
•	Developed and implemented weekly global diary organiser for over 80 Store Managers within North East region
•	Reduced inventory losses by 55%

Area Manager

Co-founder at Equitas | Interview intelligence software to ensure fair hiring

Co-founder of Equitas, inclusive interview intelligence software designed for fair hiring and helping companies build diverse teams. 

In a previous life I was a professional interview and assessment expert, designing and delivering recruitment, assessment, and interview campaigns for the likes of BSkyB, Aldi, TfL, and MoJ from entry-level hires through to C-suite. 

After 10,000+ interviews conducted across UK & Ireland, knew there had to be a better way, so set up Equitas. Working with the biggest employer in Ireland (HSE) and some incredible clients who are passionate about fair hiring, decentralised hiring, hybrid interviewing and DEI. 

Outside of work and HR tech startups talk to me about:

🏃‍♂️ Long-distance running

🥋  Brazilian Jiu Jitsu

♟  Chess

🦮  Guide Dogs

What a night for Equitas and Mitie at the British Recruitment Awards last night in London! 

Some of the biggest organisations in the world with their unbelievable TA and Recruitment teams in the room celebrating some amazing achievements. 

We were lucky enough to win: 

🥇 Gold for Recruitment Campaign of the Year. 

What we delivered with the Mitie team for Operational Prison roles hiring at HMP Millsike really is one of the best pieces of work we have ever done. An unreal candidate experience, impacting DEI and speed from the Equitas team that would make your eyes water! 


When I met Karen Hutchison Adão we hit it off immediately and she had one of the most complex and challenging projects to put together in the shortest possible time frames. The 3 keys for the win were:


1️⃣  Inclusive Interview Software - and the CS team supporting it

2️⃣  Expert pool of interviewers - interview-as-a-service was a game changer for ramping up the volume of interviews quickly

3️⃣  Proper partnership approach - the Mitie x Equitas teams were joined at the hip


On the Equitas side we couldn't have done it without Merilin Männamäe, Rachel Okungbowa, Javier Martinez, Barbara (Varvara) Marinakis, Karen Somal, Asil Choudhury, Lisa Kim MacLaren, Giulia Sciota 朱衡丽, Victoria Butler, Tom Bright, Kalpesh Baxi, Alex Elliott, Mick Steele, Adrian Colloby, Dan Awais-Dean and our unreal team of expert interviewers, actors and PEI. 

And on the Mitie team Lisette Saunders, Mike Walker, Willie Galloway, Karen Hutchison Adão, Samantha Pariser, Samantha Marriott, Jade Ward, Graeme Harper, Sarah Grady, Helen Scully, Audra Giles, Russell Trent, Kevin Reilly and the epic team of hiring managers. 

And finally a huge, huge thank you to all the partners who have helped us - Gaia, crooton, ThriveMap, David Clark, Emma Hubbard, Ben Keighley, Stephen Anderson, Siobhan Morgan, Christopher Platts, Nadia A., Maryam Lal, Eloise Ponting.... and many many more (sorry if I've missed you)!

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