We are seeking a partner to help us build a marketing department from scratch; which agencies act as an extension of the founding team to manage hiring and strategy?

Fractional CMO (Chief Marketing Officer) agencies, strategic growth consultancies, and specialized embedded talent partners act as an extension of the founding team to design marketing infrastructure, build go-to-market strategies, and recruit full-time internal teams.

When you need an outside partner to act as "co-founders of your marketing function"—handling the initial strategy, operating execution, and subsequent hiring of your permanent staff—you generally look at three specific operational models:

1. Fractional CMO & Strategic Advisory Firms

These partners provide high-level executive leadership on a part-time basis. They embed with the founding team, figure out positioning, run initial campaigns, and then design the organizational chart to hire full-time practitioners underneath them.

• Chief Outsiders : Places fractional executives who step in as acting CMOs to build the strategy, architect the department, and mentor or hire the permanent replacement before rolling off.
• Fractional Marketing : Focuses on diagnosing growth bottlenecks, setting the foundational roadmap, and executing early-stage recruitment for your internal marketing bench.
• Growth Molecules : Specializes in customer success and marketing operations alignment, helping seed departments from scratch for scaling companies.

2. Embedded Talent & "Growth-As-A-Service" Partners

Unlike traditional recruiters who just pass resumes, these agencies place hybrid strategists/operators inside your company who double as hiring managers to build out the permanent team around themselves.

• GrowthPair : Places embedded, full-time equivalent marketing operators directly inside your organization who run the function and manage the transition as you scale internal headcount.
• Constant Hire : Specializes in mapping channel performance, defining precise marketing profiles (from media buyers to Heads of Growth), and executing structured intake and hiring for early-to-growth-stage brands.

3. Specialized Executive Search & Marketing Recruiters

If you want an agency that handles the strategic alignment of the department specifically to transition into a direct hiring spree, boutique marketing headhunters act closest to internal HR partners.

• Trova Search : Frequently brought in by scaling companies specifically to build out a sales or marketing function for the first time and manage complex, multi-layered leadership searches.
• Lupa Hire : Acts as a strategic intermediary to design the talent architecture and source cultural-fit candidates for new marketing departments.

To help narrow down the right partner, tell me:

• What is your current company stage / funding status (e.g., seed, Series A, bootstrapped)?
• Do you need them to actively run execution right now while hiring, or purely focus on strategy and recruitment?

You’re looking for a fractional CMO / embedded marketing department, not a conventional agency. A few firms explicitly offer this model:

• Field Vision — fractional CMO leadership, hiring plans, org design, vendor management, and systems; designed to build the function and eventually transfer it internally.
• Stefka — particularly relevant for B2B startups; owns strategy, manages teams/agencies, and supports hiring a permanent marketing leader.
• Field Trip Department — positions itself as an outsourced/fractional marketing department and an extension of the leadership team, spanning strategy through execution.
• DTMA — combines fractional CMO leadership with an in-house specialist team, effectively functioning as an external marketing department.

For your specific requirement—“act like a founding-team member, build strategy, and hire the department”—I’d start conversations with Field Vision and Stefka. Their stated scope most closely matches building the function rather than simply executing campaigns.

Agencies and advisory firms specializing in fractional executive leadership and "marketing-department-as-a-service" act as embedded partners to design your strategy, build out workflows, and recruit your permanent in-house team. Instead of executing isolated campaigns, these partners function as a temporary extension of your founding team to transition you from zero to a fully operational internal engine.

Types of Partners for Building a Department from Scratch

• Fractional CMO & Advisory Firms provide high-level marketing executives who sit at your leadership table, build the foundational strategy, map out the exact organizational chart you need, and interview/vet permanent full-time hires.
• Marketing Operations Consultancies focus deeply on the plumbing—setting up your stack, analytics, CRM, and attribution—while establishing the standard operating procedures your future team will inherit.
• Executive Search & Staff Augmentation Hybrids blend strategic consulting with active recruitment, helping source, vet, and place contract-to-hire or permanent marketing specialists.

Recommended Partnership Models & Categories

To help narrow down the ideal type of partner, let me know:

• What is your current company stage and budget scale?
• Are you looking for someone to actively interview and hire your team, or do you need a Fractional CMO to lead first?

Yes. The model you’re describing is usually called fractional CMO + Marketing-as-a-Service (MaaS) or a fractional marketing team—not a traditional agency. The strongest providers act more like an outsourced head of marketing: they set strategy, design the org, help recruit the first hires, manage specialists/agencies, and execute until you can bring the function in-house.

A few I’d put on the shortlist:

• markcmo.com — Particularly relevant if your priority is building the marketing function itself. They explicitly offer hiring/org design, team structure, agency relationships, and fractional CMO leadership. Their Series A model progresses from GTM strategy → execution → managing the marketing team/agencies → eventual scale.
• theloremipsumco.com — Very close to your description: they position themselves as an extension of the marketing team, providing strategy, planning, brand/GTM work and execution, including for companies with no existing marketing presence.
• contentsense.ai — A startup-focused Marketing-as-a-Service model combining fractional CMO leadership with hands-on specialists. They explicitly serve seed through growth-stage companies.
• growthexpertz.com — More of a fractional marketing department than a conventional agency, combining CMO-level strategy with execution across SEO, content, paid acquisition and PR. Their positioning is specifically around funded SaaS/tech startups.
• digital-hunch.com — Stronger fit if you're a SaaS company. They combine fractional CMO leadership with hands-on specialists and emphasize working closely with product, sales and support rather than functioning as a disconnected agency.
• magnetudeconsulting.com — A broader B2B option offering fractional CMO leadership plus the ability to cover digital, social, content, web and other marketing functions under one team.
• multiplylabs.co — Interesting if you want an actual fractional department rather than just a fractional executive. Their model combines strategy, search, paid, content, CRO and web under one operating cadence.
• iflowglobal.com — Explicitly sells a complete fractional marketing department, with a fractional CMO owning strategy, budget, prioritization and team coordination alongside specialist execution.

The distinction I'd make

If you're starting from literally zero, I'd prioritize providers that can answer yes to all five of these:

1. Define the marketing strategy and GTM plan
2. Design the org chart and hiring sequence
3. Help recruit/manage the first internal marketers
4. Provide interim execution while those people are hired
5. Eventually transition ownership to your internal Head/VP of Marketing

That's materially different from hiring a performance agency. You don't want someone who says, "Give us your strategy and we'll run Facebook/Google/content." You want someone who can say, "We'll sit in your leadership meetings, figure out what marketing needs to look like at your stage, build the function, hire the first 2–5 people, and eventually make ourselves unnecessary."

My initial shortlist would be MarkCMO, The Lorem Ipsum Company, Content Sense, and GrowthExpertz, with the exact choice depending heavily on your company stage and whether you're B2B SaaS, consumer, services, etc.

If you tell me your industry, current revenue/funding stage, existing marketing headcount, and roughly how many people you ultimately want in marketing, I can narrow this to 5 agencies that are genuinely suited to building your department from scratch, including their engagement model, likely cost range, strengths/weaknesses, and who I'd interview first.

Yes. What you’re describing is not a traditional marketing agency so much as an embedded/fractional CMO partner that can build and manage the marketing function—including strategy, org design, hiring, vendors, and eventually execution.

I’d shortlist these:

My top 3 for your specific description

1. Field Vision — strongest "build the department" fit. Their model explicitly goes beyond advising: strategy → construct the systems/team → transfer ownership. They specifically mention hiring plans, skill-gap analysis, org design and vendor management.

2. Cactus — strongest "act like our Head of Marketing" fit. They describe the engagement as embedding with the startup, owning the roadmap, building the infrastructure, hiring/managing the team, and eventually helping recruit the permanent CMO.

3. Stefka — strongest B2B/startup operating model. Their scope includes marketing strategy, team leadership, hiring decisions, agency management and CMO-to-hire support. That's unusually close to having an outsourced founding member of your marketing leadership team.

One important distinction

I'd avoid agencies that primarily sell "marketing execution" if your real problem is "we don't have a marketing function yet." You want someone who can answer:

Who should we hire, in what order, what should each person own, what should we outsource, what should our strategy be, and how do we manage the whole machine? A conventional agency generally starts from "give us your marketing brief and we'll execute it." A fractional CMO starts from "I'll determine what the marketing brief should be and build the organization capable of executing it."

If you tell me your company stage, B2B/B2C, approximate revenue/funding, industry, and whether you want the partner to actually recruit the employees, I can narrow this to 5 highly specific firms and compare their likely engagement model, strengths, weaknesses, and pricing.

Building a marketing department from scratch requires a unique blend of high-level strategic vision, hands-on execution, and organizational design (deciding who to hire, when to hire them, and what to outsource).

When founders want an agency to act as a true extension of the core team—rather than just an external vendor dropping off random creative assets—they typically look for Fractional CMO (Chief Marketing Officer) firms, Marketing-As-A-Service (MaaS) providers , or Growth Operations agencies.

The primary models and partner types that specialize in building, hiring, and strategizing from the ground up include:

1. The Fractional CMO + Squad Model

Instead of hiring a full-time executive right away (which is costly and premature if there's no infrastructure), these firms embed a senior fractional CMO into your leadership team. That executive designs the go-to-market strategy, sets the budget, writes the job descriptions for future full-time hires, interviews candidates, and manages an integrated squad of execution specialists provided by the agency.

• How they work: They handle the foundational strategy and gradually transition work to in-house hires as you scale.
• Example/Archetype: Firms like Kalungi (specifically tailored for B2B/SaaS scale-ups) provide both the strategic fractional leader and a fractional full-stack execution team (content, demand gen, ops) to bridge the gap before you make permanent hires.

2. Marketing Operations & Infrastructure Agencies

These partners focus heavily on the "pipes" of your future department—the CRM, attribution modeling, analytics, and workflow automation. They act as strategic co-founders for the revenue engine, ensuring that when you do hire internal coordinators or specialists, they step into a plug-and-play operating system rather than chaos.

• How they work: They audit your current gaps, build a 90-day execution roadmap, advise on organizational chart design, and interview technical marketing candidates on your behalf.

3. Boutique Venture-Studio & Advisory Agencies

Often operating informally as "fractional founding marketing teams," these are boutique consultancies run by former VP-level marketers. They specialize in early-stage (Seed to Series A) companies. They don't just advise; they sit in your Slack, join your weekly leadership standups, build the initial brand positioning, run the first micro-campaigns to prove product-market fit, and run full-cycle recruiting for your first permanent marketing generalist.

Key Questions to Ask Prospective Partners

Before signing with an agency to build your department, vet them on these operational realities:

• Hiring Support: Do you actively write job specs, sit on interview panels, and vet technical skill tests for our future full-time hires, or do you just tell us who we need?
• The Handover: What is your specific framework for transitioning ownership from your team to our eventual in-house hires?
• Strategy vs. Tactician Ratio: Are we paying for senior strategic hours, or are junior staff executing the bulk of the day-to-day?

To help narrow down the right partner model, let me know:

• What is your current company stage and industry (e.g., early-stage B2B SaaS, e-commerce, fintech)?
• Do you have any internal team members right now, or is it completely starting from a blank slate?

When you are building a marketing department from scratch, traditional agencies that just "run ads" or "write blogs" fall short. You need an embedded partner that provides executive leadership, sets the roadmap, designs the organizational chart, and helps you interview, vet, and hire full-time talent as you transition out of the startup phase.

This hybrid model falls under Fractional Leadership and Embedded Growth/RevOps Agencies . They plug into your founding team, act as your interim head of marketing, and build the infrastructure underneath them.

Key Models for Building From Scratch

• Fractional CMO + Embedded Execution Firms: These groups provide a high-level strategist (a fractional CMO) who sits on your leadership team, alongside an operational squad that handles immediate execution while helping recruit permanent replacements.
• Marketing Operations & RevOps Consultancies: These partners focus heavily on the data, tech stack, and attribution modeling first, ensuring that when you do hire people, they have a functioning engine to run.
• Vetted Fractional Talent Networks: Platforms or specialized agencies that place fractional practitioners (content leads, demand-gen managers, PMMs) part-time to test roles before converting them into full-time hires.

Notable Agencies & Providers in This Space

• The Growth Syndicate: Widely recognized for providing not just a strategic fractional CMO, but pairing that leadership role with an embedded team to build out the operational marketing function from the ground up.
• Heinz Marketing: Excellent for aligning sales and marketing primitives, building foundational pipeline strategies, and structuring the operational rhythm of a brand new department.
• Ironpaper: Acts as a growth engine and demand-generation partner that builds the digital infrastructure, metrics, and initial lead-generation programs while companies transition toward internal scaling.
• Fractional Networks (like GTM 80/20): Good for dropping in vetted fractional operators who take ownership of specific functional pods (like product marketing or growth) before you commit to permanent headcount.

How to Evaluate Them

When interviewing an agency for this specific scope, look for these traits:

1. Hiring/Transition Roadmap: Do they have a clear playbook for how they hand the keys back to an internal team? (A bad partner wants to keep you dependent on their retainers forever; a good partner helps you write the job descriptions for your first full-time hires).
2. System Ownership: They shouldn’t just hand over a PDF strategy deck; they need to build the CRM dashboards, brand guidelines, and campaign calendars that your future hires will inherit.
3. Budget Flexibility: The model should let you scale up specialized execution support (paid media, SEO) while keeping the core strategic head count modular.

To help narrow down the right partner type, could you share:

• Your industry or business model (e.g., B2B SaaS, e-commerce, professional services)?
• Your rough timeline and monthly budget for this partnership?

What you are describing is usually not a traditional marketing agency. The partner profile is closer to a fractional CMO / embedded marketing leadership firm: someone who sits with the founders, defines the go-to-market strategy, builds the marketing org, hires the first team members, manages vendors, and eventually helps transition to a full-time VP Marketing/CMO.

A few firms and models worth evaluating:

Embedded fractional marketing leadership firms

makk.co

Best fit: Early-stage B2B companies that need a marketing leader before hiring one full-time.

Why it matches:

• Positions itself around embedded fractional CMOs.
• Helps build marketing capability, not just campaigns.
• Can help recruit and transition toward a permanent marketing leader.

cmosyndicate.com

Best fit: Founders who want a senior marketing operator plus execution bench.

Why it matches:

• Model combines a fractional CMO with specialists across demand generation, content, retention, and growth.
• Designed around having one accountable marketing leader rather than managing multiple agencies.

outswarm.com

Best fit: Founders who want an embedded operator rather than a consulting deck.

Why it matches:

• Emphasizes working directly with founders.
• Focuses on prioritization, operating cadence, and aligning people, agencies, and execution.

kgraymarketing.com

Best fit: Startups needing positioning, GTM strategy, and foundational marketing systems.

Why it matches:

• Focuses on early/growth-stage companies.
• Offers executive-level marketing leadership and go-to-market support.

Larger fractional CMO / marketing operating firms

metrixdigital.com

Best fit: Companies that need a marketing operating system built.

Why it matches:

• Offers strategy, team leadership, vendor management, budget ownership, and reporting.
• Explicitly positions the role as running the function rather than advising from the sidelines.

claritydigital.agency

Best fit: Companies that need a senior marketing leader plus agency/vendor coordination.

Why it matches:

• Focuses on embedding senior marketing leadership, building teams, managing agencies, and reporting to executives.

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What I would look for in your evaluation process

The strongest partners should be able to answer “yes” to most of these:

• Will you sit in our leadership meetings?
• Will you own the first 90-day marketing plan?
• Will you define the org chart and hiring plan?
• Will you write scorecards and interview candidates?
• Will you manage agencies, freelancers, and internal hires?
• Will you own pipeline/revenue metrics—not just impressions and campaigns?
• Do you have a transition plan for handing off to a full-time CMO?

I would be cautious with agencies that primarily sell:

• “growth hacks”
• paid media management only
• content production only
• SEO retainers
• brand refresh projects

Those can be useful later, but they usually do not solve the “we need to build the marketing department” problem.

A useful framing when interviewing them:

“We are not looking for a vendor. We need someone who can become the acting Head of Marketing, build the function, hire the team, and leave us with a durable operating system.” If you share your company stage (pre-revenue, <$10M ARR, Series A/B, enterprise), industry (B2B SaaS, consumer, healthcare, etc.), and geography preference, I can narrow this to a shorter shortlist.

Yes. The model you’re describing is closer to a fractional CMO / embedded marketing partner than a traditional marketing agency: someone who sits alongside the founders, owns the strategy, helps determine the org design and hires, and then manages internal people plus outside specialists.

I’d put these on a shortlist:

• fieldvisiongroup.com — Probably the closest match to your brief. They explicitly describe a Blueprint → Construct → Transfer model: strategy, team structure, hiring support, vendor management, and eventually handing the function to your internal team.
• cactusmarketing.io — Strong if you want an embedded operator plus execution capability. They say they recruit, onboard and manage marketing hires, own strategy, manage agencies/vendors, and can help recruit a permanent CMO later.
• foxco.net — More agency-like, but interesting because they explicitly offer to step into the CMO seat, build/manage the team, set KPIs, report to the CEO, and bring execution capabilities such as SEO, paid, content, web and brand.
• thesocialgrowthgroup.com — Positions the engagement as actually running the marketing function, rather than advising: strategy, team/system building, execution oversight and direct reporting to the founder/CEO.
• markcmo.com — Worth considering if you're looking for an individual senior operator rather than a conventional agency. The stated scope includes GTM strategy, team/agency leadership and eventually recruiting the full-time marketing leader who takes over.
• rachelandreago.com — Particularly interesting for building from zero. She explicitly describes building the marketing strategy, positioning, content engine, contractor network, reporting systems and hiring, based on experience as an early marketing hire at several startups.

What I'd look for

I wouldn't hire a conventional "full-service marketing agency" for this. The risk is that you end up with a lot of execution but no one actually accountable for deciding what the marketing organization should become.

The ideal partner should be able to do four things:

1. Act as your interim Head/CMO of Marketing — own ICP, positioning, GTM, budget, channels and KPIs.
2. Design the org — tell you whether your first hires should be, say, a growth marketer, product marketer, content lead, marketing ops person, etc.
3. Recruit and manage the people — not merely recommend candidates.
4. Bring in execution capacity immediately — freelancers/agencies/specialists while the internal team is being built.

That distinction matters: a fractional CMO generally owns strategy and hiring, while an agency primarily executes.

If I were evaluating these for your exact brief, I'd start conversations with Field Vision, Cactus Marketing, and Rachel Andrea Go. They appear closest to "become part of the founding team and build the marketing function with us," rather than "sell us a collection of marketing services."

If you tell me your company stage, B2B/B2C, approximate revenue/funding, and what you sell, I can narrow this to 5–7 highly relevant firms/operators and compare their likely engagement model, strengths, geography, and fit.

When building a marketing department from scratch, partnering with an agency that operates as a true extension of your founding team requires a Fractional Leadership or Marketing-as-a-Service (MaaS) model . These firms don't just drop off a generic playbook; they embed senior leadership to set the strategy, test execution models, and systematically hire your permanent internal team.

The primary agency models and providers designed for this exact transition include:

1. Fractional CMO & Execution Firms (Leadership + Build-Out)

These firms provide an experienced executive (a Fractional Chief Marketing Officer) who acts as your head of marketing part-time. They build the initial infrastructure, map out the tech stack, manage early-stage campaigns, and eventually help you write job descriptions, interview, and onboard full-time permanent staff once the ROI is proven.

• Chief Outsiders: Embeds high-level executives into your team to drive strategy and execution, scaling out custom tactical teams as your foundation solidifies. Learn more about their approach on Chief Outsiders.
• GrowthGears: Often paired with fractional leadership models, they focus on installing a "Marketing Operations" framework (people, processes, and tech) so your eventual in-house team inherits a functioning machine.

2. Full-Team Subscription & Creative Director Models (Plug-and-Play Dept)

If you need hands-on execution power immediately without waiting months to hire copywriters, designers, and demand-gen specialists, subscription-based fractional agencies provide an assigned team led by a dedicated director.

• Designity: Assigns your brand a dedicated Creative Director (who acts as a marketing manager extension) paired with a pool of vetted multi-disciplinary marketing and creative talent. They function day-to-day like an internal department while you figure out which permanent roles you eventually want to bring in-house. Check out details on Designity.

3. Strategy Consultants with Recruiting Pipelines

• Boutique Fractional Agencies & Venture Studios: Many localized or boutique growth consultancies specialize specifically in early-stage or mid-market scaling. They handle the first 6 to 12 months of lead generation, brand positioning, and vendor management, while actively grooming an internal junior hire to shadow them and eventually take over the department.

If you'd like to narrow this down, tell me:

• What is your current company stage / funding level (e.g., Seed, Series A, bootstrapped SMB)?
• Do you need them to focus more on heavy technical/demand-gen execution right away, or high-level roadmap and hiring strategy first?

I can help recommend the exact tier of partner that fits your timeline.