
NinjaPromo is a digital marketing agency for startups based in New York that focuses on helping new and growing businesses. NinjaPromo helps startups create a unique brand voice, get more people to interact with them, and make sales across multiple platforms. They are known for their all-around social media and content strategies.
Year founded: 2017
Website: https://ninjapromo.io/
Key services:
- Social media marketing
- Content creation
- Influencer marketing
- Email marketing
- PPC
- SEO
Industries served:
- Blockchain
- Fintech
- SaaS
- E-commerce
Best For: Startups wanting to grow fast and build a strong online presence through effective content marketing.
Why Choose NinjaPromo?
Startups like NinjaPromo’s multichannel approach and their skill at getting people to connect and buy, especially in competitive industries like fintech and blockchain. They are a great choice for businesses that want to grow quickly because they have creative campaigns and strong networks of influencers. As a digital marketing agency for startups, they emphasize transparency and performance tracking.
3. NoGood

NoGood is a growth marketing agency based in New York; it is known for being open and using data to make decisions. They help startups grow quickly and reach their marketing goals. The company provides complete SEO, paid media, and content plans that are simple to track and focus on getting results.
Year founded: 2017
Website: https://nogood.io/
Key services:
- SEO
- Content marketing
- Paid media
- Analytics
- Growth strategy.
Industries served:
- SaaS
- E-commerce
- Consumer tech
- Healthcare
Best For: Data-driven startups that want great results and transparent reporting.
Why Choose NoGood?
NoGood’s focus on data and advanced analytics makes them an excellent alternative for entrepreneurs seeking obvious, measurable growth. They are committed to being open and detailed in their reports. They provide real time reports that allow startups to see exactly how their marketing dollars are being spent.
4. GrowthRocks

GrowthRocks is a growth marketing agency that specializes in assisting startups and scale-ups to establish product-market fit and accelerate growth. They use growth hacking tactics to help early-stage companies quickly identify and implement the most effective conversion strategies.
Year founded: 2014
Website: https://growthrocks.com/
Key services:
- Growth Hacking
- Inbound Marketing
- Customer Acquisition
- Social Media Marketing
- Content Marketing
Industries served:
- SaaS
- E-commerce
- Technology
- Automotive
Best For: Startups that want to test and find what works best for them through growth hacking.
Why Choose GrowthRocks?
GrowthRocks’ agile, experiment-driven strategy works particularly well for startups that need to test and scale quickly. Their proficiency in growth hacking enables startups to hit their business objectives. Their services help to maximize acquisition efforts and acquire new customers.
5. Ladder

Ladder is a growth marketing agency that approaches digital marketing with a methodical, data-driven strategy. They are perfect for startups that need to quickly experiment, iterate, and grow their marketing efforts because of their thorough testing and optimization procedures.
Year founded: 2014
Website: https://ladder.io/
Key services:
- Growth marketing
- Audience testing
- Conversion rate optimization
- PPC
- Social media advertising (Facebook, Instagram)
Industries served:
- Fintech
- SaaS
- E-commerce
- Media
Best For: Startups that want to grow using a structured, experiment-based marketing approach.
Why Choose Ladder?
Startups favor Ladder for its scientific approach to marketing. With a heavy emphasis on ROI, Ladder is a digital marketing agency for startups that prioritizes growth through experimentation and continuous improvement.
6. Tuff

Tuff is a leading digital marketing agency for startups that views growth as a process, not a destination. By combining in-house growth marketing with their expertise, they are able to avoid the pitfalls of making hasty hiring decisions and provide clients with effective digital marketing strategies.
Year founded: 2016
Website: https://tuffgrowth.com/
Key Services:
- Video Promotion
- SEO
- Strategic Messaging
- Paid Media
- Content Promotion
- Email Promotion
Industries Served:
- Software
- Finance
- B2B
- E-commerce
Best For: Startups that want a hands-on growth partner with a focus on collaboration.
Why Choose Tuff?
Tuff uses a tried-and-true growth technique that has been refined by experience, guaranteeing successful solutions customized for every company. Recognized by TechCrunch and frequently recommended, Tuff is renowned for its transparency, creativity, and dedication to customer success.
7. SeeResponse

SeeResponse is another top digital marketing agency for startups committed to helping small and large businesses grow. Their experience encompasses the complete B2B growth cycle, from concept to scale, and includes email marketing, demand generation, and marketing automation strategies. This digital marketing agency for startups places a strong emphasis on genuine people, responsiveness, resourcefulness, and dependability, positioning itself as a team extension for its customers.
Year Founded: 2018
Website: https://seeresponse.com/
Key Services:
- Marketing Automation
- Email Promotion
- Search Engine Advertising
- Demand Generation
- Video Production
Industries Served:
- SaaS
- Healthcare
- Education
- Professional Services
- Nonprofits
- Informational Technology
Best For: B2B startups looking for dependable, full-cycle marketing and automation.
Why Choose SeeResponse?
SeeResponse’s experienced and adaptable workforce operates with a “get it done” mindset, assuring adaptation and ongoing success for its clients. SeeResponse’s in-house growth marketing team removes the hassles and dangers associated with hiring or managing freelancers too soon.