10 Best Social Impact Agencies for Nonprofits (2026 Guide)

TL;DR

Social impact agencies differ from generic nonprofit marketing firms. They focus on purpose strategy, behavior change, and impact measurement rather than just donor acquisition. This guide profiles 10 agencies, compares them across pricing, specialization, and certifications, and includes honest tradeoffs for each. Grounded World is our Editor’s Pick for nonprofits that need to turn purpose into measurable outcomes, not just campaigns.

What Is a Social Impact Agency?

A social impact agency is a consultancy or marketing firm that helps organizations create measurable positive social, environmental, or community outcomes through strategy, communications, campaigns, and impact measurement. Unlike traditional nonprofit marketing agencies focused primarily on fundraising, social impact agencies often address behavior change, stakeholder alignment, sustainability, advocacy, and long-term mission outcomes.

Why This List Exists (and Why Most Others Fall Short)

Most “best agency” lists for nonprofits lump together wildly different services. A firm that runs Google Ads for food banks and a consultancy that builds global sustainability strategies for the United Nations both get labeled “social impact agencies.” That’s not helpful when you’re a nonprofit director trying to figure out who to call.

The distinction matters. Purpose-strategy agencies work on positioning, brand narrative, stakeholder alignment, and impact frameworks. Impact-execution agencies build campaigns, manage paid media, optimize websites, and drive donations. Some do both. Many do neither well. Understanding what type of agency you actually need is the single most important step before you start comparing names.

This guide separates those categories, provides pricing where available, flags real tradeoffs, and includes practitioner perspectives so you can shortlist the best social impact agencies for nonprofits based on your actual situation.

Explore what social impact agencies do →

At-a-Glance Comparison Table

How We Evaluated These Agencies

Every agency on this list was assessed against five criteria: demonstrated nonprofit case studies, social-impact specialization (not just a “purpose” page bolted onto a generalist agency), certifications like B Corp or equivalent commitments, measurable client outcomes, and real user feedback from platforms like Glassdoor and practitioner forums.

Each profile includes a “Best for” tag so you can skip to what’s relevant. Purpose-strategy firms and digital-execution firms are clearly labeled. And where pricing exists, even partially, it’s included. Nonprofits deserve that transparency.

How We Ranked These Social Impact Agencies

This ranking is not based on payment, sponsorship, or partnership status. Agencies were evaluated using publicly available information including:

• nonprofit specialization

• case study evidence

• service capabilities

• pricing transparency

• certifications

• measurable outcomes

• market reputation

The “Editor’s Pick” designation reflects strongest overall fit for organizations seeking measurable social impact strategy, not a universal ranking.

Best Social Impact Agencies for Nonprofits by Need

Different nonprofits require different agency capabilities. The best agency depends on your organization’s current challenge.

The 10 Best Social Impact Agencies for Nonprofits

1. Grounded World (Editor’s Pick)

Best for: Nonprofits that need to turn social purpose into measurable commercial and behavioral outcomes, not just awareness campaigns.

Grounded World is a B Corp-certified boutique agency that specializes in commercializing sustainability. Their service model follows four phases: Discover, Articulate, Activate, and Accelerate. What sets them apart in a crowded field is their focus on the intention-action gap, the space between what people say they care about and what they actually do. For nonprofits, that gap is the difference between awareness and donations, between supporters and advocates.

Key services:

• AI-driven 5C landscape assessments (Company, Culture, Category, Competitor, Consumer)

• Brand purpose and positioning strategy

• Sustainability storytelling and social impact campaigns

• Stakeholder engagement and cross-functional alignment

• Impact measurement and reporting

Notable nonprofit work: Fresh Air Fund, Mary’s Center, UNMAS, Plan USA, and Tribes on the Edge. Named to the Top 100 Global Social Impact Companies list, with a B Impact Score of 116. Women-led. Members of the Ethical Agency Alliance and 1% for the Planet. Committed to Science Based Targets.

Pricing: Custom-scoped projects. No transparent pricing tiers, which is standard for consulting-model agencies. However, they offer a complimentary AI-driven 5C landscape assessment, a genuine diagnostic tool that functions as a no-risk entry point.

Request your free 5C assessment →

Tradeoffs:

• Not a self-serve or plug-and-play platform. You’re buying a consulting relationship.

• Stronger on strategy and activation than on pure performance marketing (paid search, programmatic).

• Custom scoping means no public pricing, which can slow down early-stage budgeting.

Why it’s the Editor’s Pick: Most social impact agencies for nonprofits produce campaigns or strategy decks. Grounded World connects those outputs to revenue, behavior change, and organizational alignment. Their proprietary frameworks (BPP, 5Rs, Brand Activation for Good, Flywheel of Impact) and use of AI through their tool Gaia give them a structured methodology that’s rare in purpose-driven agencies.

2. HelpGood

Best for: Mid-to-large nonprofits needing full-service digital campaigns with paid social, video, and influencer components.

HelpGood was built specifically around the belief that pressing social issues need marketing muscle behind them. They work with major organizations including Ad Council, Planned Parenthood, Housing Works, UCLA, United Way, and YMCA. Certified as a B Corp, LGBTBE, and Disabled Owned Business Enterprise.

Key services:

• Paid social media campaigns

• Video production and influencer strategy

• Digital advertising and cause marketing

• Creative development

Notable results: Their Clean Path New York campaign reached 62 million people with a 2.3x boost in year-over-year impressions and an 80% positive sentiment score. They’ve received Campaign US’s Purpose Pioneer Award and won Shorty Impact and Webby Anthem Awards.

Pricing: Not publicly listed. Project-based engagements, which means costs vary significantly depending on scope.

Tradeoffs:

• Digital-first, which means less suited for organizations needing pure strategy or brand positioning without campaign execution.

• Not a sustainability specialist. Their strength is cause marketing and digital campaigns.

• Pricing opacity makes it hard to budget without an initial conversation.

3. Carol Cone ON PURPOSE

Best for: Nonprofits seeking top-tier purpose strategy, especially those navigating corporate partnerships or CSR-funded initiatives.

Called the “purpose queen” by the BBC, Carol Cone has spent 35+ years linking companies, brands, and social issues. Her consultancy operates through The Purpose Collaborative, a handpicked network of boutique agencies, creative consultants, and technologists.

Key services:

• Purpose strategy and positioning

• Corporate-nonprofit partnership design

• CSR program development

• Cause branding

Notable results: Developed social initiatives for Avon, Reebok, ConAgra Foods, Microsoft, and the American Heart Association that generated more than $1.5 billion for social issues.

Pricing: Not public. Senior consulting model with premium positioning. Expect enterprise-level budgets.

Tradeoffs:

• Strategy-heavy. If you need campaign execution, digital marketing, or website development, this isn’t the right fit.

• The network model means your day-to-day team may vary across projects.

• Best suited for large nonprofits or those working at the corporate-nonprofit intersection.

4. Whole Whale

Best for: Data-driven nonprofits wanting to maximize Google Ad Grants, SEO, and digital analytics.

Founded in 2010 in Brooklyn, Whole Whale is a certified B Corp digital agency built exclusively for nonprofits and for-benefit organizations. Their standout offering is Google Ad Grant management: the program gives nonprofits $10,000 per month in free search advertising, and Whole Whale specializes in keyword optimization to stretch those grant budgets.

Key services:

• Google Ad Grant management and optimization

• SEO and content strategy

• Data analytics and reporting

• Nonprofit digital training (Whole Whale University)

Notable results: Over a decade of operations, they’ve worked with 100+ nonprofit organizations and managed over $6 million in Google Ad Grants spending. Their training platform has served 7,500+ students.

Pricing: Not publicly listed. Retainer model with training components embedded.

Tradeoffs:

• More tactical and digital than strategic. Not the agency for brand repositioning or purpose-strategy work.

• Training focus is valuable but means some of the workload shifts back to your team.

• Google Ad Grants expertise, while valuable, addresses only one channel.

5. Fifty & Fifty

Best for: Nonprofits needing branding, website redesigns, and integrated digital campaigns with clear pricing.

Fifty & Fifty is a creative agency that marries digital craftsmanship and social impact. They take a brand’s social story through the full engagement funnel: strategy, design, development, and marketing.

Key services:

• Brand strategy and identity design

• Website design and development

• Digital marketing campaigns

• Fundraising campaign support

Notable results: Campaigns generating $19M+ raised and up to 400% return on marketing investment.

Pricing: One of the few agencies on this list with public pricing benchmarks. Branding typically runs $15K–$50K, websites $25K–$80K+, and strategic partnerships $1.5K–$10K+ monthly.

Tradeoffs:

• Not a sustainability or purpose-strategy specialist. Their strength is digital craft, not behavior change or impact measurement.

• Pricing, while more transparent than most, still has wide ranges that depend on project scope.

• Less suited for organizations needing ongoing retainer-style campaign management.

6. Futerra

Best for: Global nonprofits and NGOs focused on sustainability strategy, behavior change, and climate communication.

Futerra is a change agency, product incubator, and training academy working across continents. A Certified B Corp and woman-led, they’ve spent over 25 years building sustainability communications strategies for major institutions.

Key services:

• Sustainability strategy and communications

• Behavior change campaigns

• Climate communication

• Training programs

Key differentiator: Their “Logic and Magic” approach builds logical strategies with compelling stories that spark joy and positively reframe sustainability.

Pricing: Not public. Premium pricing suited for enterprise-level consulting. This is not a budget-friendly option for smaller nonprofits.

Tradeoffs:

• Primarily serves large corporations and global NGOs. Smaller nonprofits will likely find the price point prohibitive.

• Less focused on digital execution (websites, paid media, SEO) than on strategic communications.

• Their global orientation may not translate well to hyper-local nonprofit needs.

7. Big Duck

Best for: Nonprofits undergoing rebrands or needing to align messaging and communications across departments.

Big Duck is a worker-owned cooperative that helps nonprofits use communications to advance their missions. They focus on developing strong brands, strong campaigns, and strong teams. Certified woman-owned business.

Key services:

• Brand strategy and identity

• Communications planning

• Internal team development and training

• Campaign development

User sentiment: Because they partner solely with nonprofits, clients note they have a tremendous appreciation for the unique challenges facing these organizations. However, Glassdoor reviews surface a tension common across nonprofit-serving agencies. One former employee described a “cookie-cutter template” approach and felt the company “takes advantage of the term nonprofits.” Others praised the smart team and variety of clients.

Pricing: Not public. Project-based engagements.

Tradeoffs:

• Strong on branding and communications, lighter on digital performance marketing.

• The cooperative structure is admirable but may mean slower decision-making on complex projects.

• Mixed employee reviews suggest potential inconsistency in creative output.

8. Media Cause

Best for: Nonprofits wanting performance marketing (SEO, paid media, CRM) from a mission-focused team.

Media Cause is an award-winning nonprofit marketing agency with a singular focus: working only with organizations driving positive change. They apply best-in-class performance marketing practices to mission-driven contexts.

Key services:

• Search engine optimization

• Paid media management (PPC, social)

• CRM strategy and implementation

• Data analytics

Pricing: Not public. Retainer model.

Tradeoffs:

• Performance-marketing heavy. Not the right fit if you need purpose strategy or sustainability positioning.

• Less differentiated in their approach; the methods are standard digital marketing applied to nonprofit contexts.

• Limited public case study data compared to peers on this list.

9. BBMG

Best for: Nonprofits at the brand-innovation intersection wanting consumer-facing repositioning.

BBMG is a brand and innovation consultancy dedicated to creating brands of enduring value. They design and re-engineer brand experiences for growth and positive social impact.

Key services:

• Brand strategy and innovation

• Consumer insight and research

• Brand experience design

• Social impact positioning

Pricing: Not public.

Tradeoffs:

• More corporate-brand oriented. Nonprofits without a consumer-facing product or service may find less relevance.

• Less hands-on campaign execution. You’ll need a separate agency for digital marketing.

• Smaller body of publicly available nonprofit-specific case studies.

10. Matter Unlimited

Best for: Social-impact organizations wanting bold, creative campaigns that challenge the status quo.

Matter Unlimited is a strategic and creative agency exclusively focused on social impact. They position themselves as creative catalysts and change agents.

Key services:

• Creative campaign development

• Strategy and design

• Brand identity

• Social impact storytelling

Pricing: Not public.

Tradeoffs:

• Smaller agency, which means potential capacity constraints for large multi-channel programs.

• The “bold creative” positioning may not suit nonprofits looking for data-driven, conversion-focused marketing.

• Limited pricing and case study information publicly available.

How to Choose the Right Social Impact Agency

The best social impact agencies for nonprofits aren’t the ones with the most awards. They’re the ones that match your organization’s maturity stage and specific needs.

How to Evaluate a Social Impact Agency: 100-Point Scorecard

Before signing a contract, evaluate agencies across five categories:

A high-performing agency should demonstrate both mission alignment and measurable business or social outcomes.

Match Agency Type to Your Stage

Early-stage or small nonprofits with budgets under $50K annually for marketing should prioritize agencies that offer tactical digital execution. Whole Whale and Fifty & Fifty both specialize in getting concrete results from limited budgets. Google Ad Grants management alone can unlock $120K per year in free advertising.

Growth-stage nonprofits that have established programs but struggle to translate their impact into supporter growth or stakeholder engagement need a combination of strategy and activation. This is where agencies like Grounded World and Big Duck fit, building the strategic foundation and then executing against it.

Established nonprofits and NGOs with complex stakeholder landscapes, corporate partnerships, or global sustainability mandates need enterprise-level consultancies. Futerra and Carol Cone ON PURPOSE operate at this scale.

Red Flags to Watch For

Adrian Power, founder of Good Stuff Partners (a purpose-driven agency), offers a sharp warning: look under the hood. Many agencies now make purpose-driven claims, but potential clients should examine who else the agency works with. It’s not uncommon for an environmental nonprofit to be “rubbing shoulders with a fossil fuel industry client” in the same agency’s portfolio. Ask directly about client conflicts during discovery calls.

Joe Kattan, whose nonprofit agency roundup ranks #1 on Google for related searches, points out another risk. Organizations that “bootstrap their nonprofit partnerships, social impact strategy, and storytelling” usually diminish their ROI. Impact may not reach its full potential without proper time, effort, and internal buy-in.

Questions to Ask in a Discovery Call

1. Which nonprofits have you worked with in the last 12 months, and can I speak with them?

2. How do you measure impact beyond impressions and reach?

3. What does your team look like for my project, and who are the senior leads?

4. Do you work with any clients whose mission conflicts with ours?

5. What’s your approach when a campaign underperforms?

How Much Do Social Impact Agencies Cost?

Pricing varies based on whether you need strategy, creative production, or digital execution.

Factors affecting price:

• nonprofit size

• campaign complexity

• geographic scope

• research requirements

• number of stakeholders involved

What to Expect on Pricing

Budget transparency is the biggest gap in this category. Of the 10 agencies profiled, only Fifty & Fifty publishes pricing ranges. That’s a problem, because nonprofits often operate on tight budgets, and every discovery call that ends in sticker shock wastes time on both sides.

Here’s what the data suggests. Hiring a nonprofit digital marketing agency typically costs between $650 and $3,000 per month, depending on size, location, and involvement level. For branding and website projects, expect $15K–$80K+. Strategic consulting engagements from premium firms can run well into six figures.

The marketing industry generally recommends that nonprofits allocate 5 to 15% of their budget toward marketing. The Stanford Social Innovation Review has documented what they call “the nonprofit starvation cycle,” where organizations chronically underinvest in overhead and ultimately starve themselves of the resources needed to fulfill their mission. Spending $650/month on marketing when your programs need $6 million in annual funding isn’t frugality. It’s a strategic mistake.

Well-executed agency partnerships can deliver 2:1 to 5:1 ROI for nonprofit clients, with donation increases of 15–25%. The math usually works, but only if you invest enough to get results.

Some agencies offer sliding-scale fees or special nonprofit rates. Always ask, and don’t assume you can’t afford the conversation.

The Difference Between Purpose Strategy and Digital Execution

This distinction trips up more nonprofit leaders than any other. A purpose-strategy agency (Grounded World, Carol Cone ON PURPOSE, Futerra) helps you define what your organization stands for, how to communicate that to stakeholders, and how to measure whether your impact narrative translates into action. A digital-execution agency (Whole Whale, Media Cause, Fifty & Fifty) takes that narrative and turns it into social impact campaigns, website traffic, and donations.

Some agencies, like Grounded World and HelpGood, bridge both sides. But many don’t. If you hire a purpose-strategy firm expecting a Google Ads campaign, or hire a digital agency expecting a brand repositioning, you’ll be disappointed and out of budget.

The best social impact agencies for nonprofits are transparent about which side of this line they fall on. If an agency can’t clearly articulate where strategy ends and execution begins, that’s a warning sign.

Why B Corp Certification Matters (and Doesn’t)

Four agencies on this list are B Corp certified: Grounded World, HelpGood, Whole Whale, and Futerra. B Corp certification signals that an agency meets verified standards for social and environmental performance, accountability, and transparency. For nonprofits evaluating partners, it’s a useful shorthand for values alignment.

But certification alone doesn’t guarantee results. An agency with a B Corp badge and no relevant case studies is still a bad fit. Look for proof first: named clients, measurable outcomes, sector-specific experience. Then treat certifications as confirming evidence, not primary criteria.

Learn more about brand activation for good →

FAQ

What’s the difference between a social impact agency and a nonprofit marketing agency?

A social impact agency focuses on purpose strategy, sustainability communications, behavior change, and impact measurement. A nonprofit marketing agency focuses on fundraising, donor acquisition, digital advertising, and website optimization. Some agencies span both categories, but most specialize in one or the other. Choosing the wrong type is the most common mistake nonprofits make when hiring agency partners.

How much should a nonprofit spend on marketing?

Industry benchmarks recommend 5 to 15% of total budget. For a nonprofit with a $2 million annual budget, that’s $100K–$300K. The right number depends on your growth goals, current awareness levels, and fundraising targets. Chronically underspending creates what researchers call the “nonprofit starvation cycle,” where organizations can’t invest in the infrastructure they need to grow.

What ROI should I expect from a social impact agency?

Agencies working with nonprofits typically deliver 2:1 to 5:1 ROI, with well-executed campaigns driving donation increases of 15–25%. ROI measurement should go beyond financial returns to include awareness metrics, behavior change indicators, and stakeholder engagement. Ask agencies how they define and track ROI before signing a contract.

Can a small nonprofit afford to hire an agency?

Yes, but the type of agency matters. Digital marketing retainers start around $650/month. Google Ad Grants management can unlock $10,000/month in free advertising. Project-based work (a website redesign or brand refresh) has a defined start and end cost. Small nonprofits should prioritize agencies with nonprofit-specific experience and avoid enterprise consultancies where they’ll be a low-priority account.

Do I need a B Corp-certified agency?

Not necessarily. B Corp certification confirms that an agency meets standards for social and environmental performance, which signals values alignment. But it doesn’t guarantee quality work or sector expertise. Use certification as one factor among many, alongside case studies, client references, and pricing transparency.

How do I spot an agency that’s “purpose-washing”?

Ask who else they work with. If their client list includes organizations or industries that conflict with your mission, that’s a red flag. Review their case studies for specificity: vague claims about “driving impact” without named clients or measurable outcomes suggest surface-level commitment. And check whether their own operations reflect their stated values through certifications, employee reviews, and public impact reporting.

Finding the right social impact agency can transform how your nonprofit communicates, fundraises, and measures its mission. If you’re ready to start that process, a structured diagnostic is a practical first step.

Book a free discovery call with Grounded World →