Table of contents
How we vet every listicle
Every agency featured on Web Tonic passes our 84-point editorial review before a single listicle goes live. This is how we vet each pick:
Verified client outcomes: We require real case studies with measurable KPIs — revenue, ROAS, CPA, retention — tied to the exact category being ranked. No cherry-picked wins, no unverifiable numbers.
Independent reputation: We cross-check Clutch, Google, G2, and Trustpilot ratings, and screen for review-bombing or suspicious patterns. Only operators with a consistent, verifiable track record make the cut.
Beyond that, every listing goes through a quarterly re-audit. We check 84 criteria across 6 pillars to make sure it still holds up — here are some of the checks we run:
An influencer marketing agency plans and runs paid partnerships with social media creators: it finds creators who fit the brand, negotiates fees and usage rights, briefs and approves content, and reports on reach and sales. Boston brands in health, education and consumer tech tend to favour credible expert creators over pure reach.
To make this list, each of the ten external agencies had to show influencer or creator work on its own website. Not all of them have an office in Boston, so each card gives the firm's real base, and clients and prices appear only where published.
Which agencies run influencer campaigns for Boston brands?
Web Tonic plus ten external agencies that show influencer marketing work on their own sites. Two have an office in Boston; the others work with Boston brands remotely. Five name a client publicly and none publishes a price.
1. Web Tonic
About: Web Tonic sources and manages creators and UGC from our Boston office and runs the best posts as paid social ads, so every creator is judged on sales rather than likes. Content rights, ad permissions and reporting stay in the brand's own name, with results tracked from first post to purchase.
Key Services: Growth Marketing, Paid Social, PPC, Meta Ads, SEO, Google Ads, Snapchat Ads, Amazon Ads, Reddit Ads, TikTok Ads, TikTok Shop, GEO-AEO, Webflow Design, Shopify Design, WordPress Design, UGC, Social Media Management, Pay Per Click Management, Marketing Analytics, Analytics Implementation & CDPs, Performance Branding, Performance 360° Audit, Programmatic Ads, OOH Ads, HR Marketing
Industries Served: eCommerce, SaaS, B2B, Construction Professionals, Home Services, SMEs, Health Spa & Wellness, Retail, Legal & Judicial Services, Food & Beverages, Pets, Fitness, Family & Children, Finance & Insurance, Travel, Non-Profits & Organizations, Furniture & Decoration
Notable Clients: WorldRemit, Jack & Jones, Ardene, L’Oréal, Sendwave, Nestlé, Airbnb. Serve Fortune 500 companies and smaller fast-paced startups.
Locations: Local Boston office, with the main HQ in San Francisco and notable offices in New York, Chicago, Miami, Toronto, Montreal, Dubai, Singapore, Sydney and more. Offices on five continents.
Pricing: Starting at USD $3,000 per month. Flexible and scalable plans at any time according to your enterprise needs. Book a call to learn more.
Great For: Mid-market to enterprise-level businesses requiring ongoing, on-tap growth and performance marketing services.
Website: Web Tonic
2. Cercone Brown Company
About: Cercone Brown Company is a communications agency with New York and Boston offices that runs a dedicated influencer programme next to media relations. Its published work includes influencer campaigns for Medela, Breescape and Milo’s Sweet Tea.
Key Services: Influencer Relations, Media Relations, Events and Experiences, AI Visibility, Crisis Communications, Strategic Counsel
Industries Served: Health and Wellness, Food and Beverage, Consumer Products, Insurance, Baby and Parenting
Notable Clients: Medela, Breescape, Milo’s Sweet Tea
Locations: New York, New York, Boston, Massachusetts (no headquarters named)
Pricing: Quote-based
Great For: Consumer brands that want press and creators in one plan, Launches that need earned media and influencer posts together, Brands with a story worth pitching
Website: Cercone Brown Company
3. Bolt PR
About: Bolt PR is an integrated PR and digital marketing agency with an influence practice that connects brands with creators their audiences trust. Its intake form starts monthly budgets at USD 8,500, which is a planning range rather than a rate card.
Key Services: Influencer Marketing, Public Relations, Digital Content, Social Media, AI and GEO Visibility, Brand Partnerships
Industries Served: Technology, Consumer Brands, Healthcare, Food and Beverage, Professional Services
Notable Clients: Not named on the pages we checked
Locations: Offices listed in Atlanta, Austin, Boston, Chicago, Dallas, Los Angeles, New York and more (no headquarters named)
Pricing: Quote-based
Great For: Consumer brands that want press and creators in one plan, Launches that need earned media and influencer posts together, Brands with a story worth pitching
Website: Bolt PR
4. PREM PR & Social
About: PREM PR & Social is a PR and social media agency in Newport Beach, with San Diego and Fresno offices, that runs influencer marketing for local and regional brands. Its site names clients such as Fashion Fair Mall and Utility Trailer of California.
Key Services: Influencer Marketing, Public Relations, Social Media Management, Content Creation, Events, Paid Social
Industries Served: Restaurants and Hospitality, Retail, Real Estate, Health and Wellness, Local Consumer Brands
Notable Clients: Fashion Fair Mall, Utility Trailer of California, The Ugly Company
Locations: Newport Beach, California, San Diego, California, Fresno, California
Pricing: Quote-based
Great For: Consumer brands that want press and creators in one plan, Launches that need earned media and influencer posts together, Brands with a story worth pitching
Website: PREM PR & Social
5. August United
About: August United is a creator-led social media agency in Tempe, Arizona, that unites influencers and brands across every major platform. It reports more than 1,650 campaigns and over 50 brand partnerships.
Key Services: Influencer Marketing, Creator Content, Social Media Management, Paid Amplification, Brand Ambassador Programmes, Reporting
Industries Served: Beauty and Skincare, Food and Beverage, Fashion and Apparel, Consumer Tech, Travel and Hospitality
Notable Clients: Not named on the pages we checked
Locations: Tempe, Arizona
Pricing: Quote-based
Great For: DTC brands that want creator content for paid ads, Ecommerce teams tracking sales from creators, Brands testing TikTok and Instagram at scale
Website: August United
6. The Shelf
About: The Shelf is an influencer marketing agency on Piedmont Road in Atlanta that builds creator campaigns for performance goals. Its site names brands such as Sam’s Club and Nite Ize.
Key Services: Influencer Campaigns, Creator Sourcing, Content Licensing, Paid Amplification, Social Commerce, Reporting
Industries Served: Retail, Consumer Packaged Goods, Home Goods, Food and Beverage, Outdoor
Notable Clients: Sam’s Club, Nite Ize, Peelz Citrus
Locations: Atlanta, Georgia
Pricing: Quote-based
Great For: DTC brands that want creator content for paid ads, Ecommerce teams tracking sales from creators, Brands testing TikTok and Instagram at scale
Website: The Shelf
7. Sociallyin
About: Sociallyin is a social media agency in Atlanta with an in-house content studio and an influencer practice. Its site names Samsung and Carnival among its clients.
Key Services: Influencer Marketing, Social Media Management, Content Studio, Paid Social, Community Management, Social Listening
Industries Served: Consumer Tech, Travel and Cruise, Retail, Food and Beverage, Entertainment
Notable Clients: Samsung, Carnival
Locations: Atlanta, Georgia
Pricing: Quote-based
Great For: DTC brands that want creator content for paid ads, Ecommerce teams tracking sales from creators, Brands testing TikTok and Instagram at scale
Website: Sociallyin
8. Digital Voices
About: Digital Voices is a tech-enabled influencer marketing agency based in London with a US office on Broadway in New York. It runs creator campaigns for app and consumer brands, DoorDash among them.
Key Services: Influencer Marketing, YouTube Creator Campaigns, TikTok Creator Campaigns, Creator Research, Paid Amplification, Measurement
Industries Served: Apps and Consumer Tech, Food Delivery, Gaming, Fintech, Ecommerce
Notable Clients: DoorDash
Locations: London, United Kingdom, New York, New York
Pricing: Quote-based
Great For: DTC brands that want creator content for paid ads, Ecommerce teams tracking sales from creators, Brands testing TikTok and Instagram at scale
Website: Digital Voices
9. Social Element
About: Social Element is a social media agency in Coconut Creek, Florida, with a dedicated influencer marketing service. It manages creator campaigns alongside community management and social content.
Key Services: Influencer Marketing, Social Media Management, Community Management, Content Creation, Paid Social, Social Listening
Industries Served: Beauty and Skincare, Food and Beverage, Fashion and Apparel, Consumer Tech, Travel and Hospitality
Notable Clients: Not named on the pages we checked
Locations: Coconut Creek, Florida
Pricing: Quote-based
Great For: DTC brands that want creator content for paid ads, Ecommerce teams tracking sales from creators, Brands testing TikTok and Instagram at scale
Website: Social Element
10. Consultus Digital
About: Consultus Digital is a performance marketing agency in Toronto that also lists an Austin, Texas address and runs a dedicated influencer marketing service. It pairs creator and UGC content with paid ads.
Key Services: Influencer Marketing, UGC Ads, Google Ads, Meta Ads, SEO, Web Design
Industries Served: Ecommerce, Local Businesses, Professional Services, Health and Wellness, Home Services
Notable Clients: Not named on the pages we checked
Locations: Toronto, Ontario, Austin, Texas
Pricing: Quote-based
Great For: DTC brands that want creator content for paid ads, Ecommerce teams tracking sales from creators, Brands testing TikTok and Instagram at scale
Website: Consultus Digital
11. Konnect Agency
About: Konnect Agency is an integrated PR and digital agency with offices in Los Angeles, New York and Oklahoma City. Its published work includes an influencer strategy for Noodles & Company.
Key Services: Influencer Strategy, Public Relations, Social Media, Content Creation, Events, Digital Marketing
Industries Served: Restaurants, Consumer Products, Health and Wellness, Travel, Technology
Notable Clients: Not named on the pages we checked
Locations: Los Angeles, California, New York, New York, Oklahoma City, Oklahoma
Pricing: Quote-based
Great For: Consumer brands that want press and creators in one plan, Launches that need earned media and influencer posts together, Brands with a story worth pitching
Website: Konnect Agency
Quick Comparison Table
| Agency | Key Specialty | Starting Price | Best For |
|---|---|---|---|
| 1. Web Tonic | Full-Service Performance Marketing | USD $3,000/mo | Mid-market to Enterprise (local Boston office) |
| 2. Cercone Brown Company | PR-led influencer relations | Quote-based | Consumer brands that want press and creators in one plan |
| 3. Bolt PR | PR-led influence programmes | Quote-based | Consumer brands that want press and creators in one plan |
| 4. PREM PR & Social | Regional influencer and PR | Quote-based | Consumer brands that want press and creators in one plan |
| 5. August United | Creator-led social programmes | Quote-based | DTC brands that want creator content for paid ads |
| 6. The Shelf | Performance influencer campaigns | Quote-based | DTC brands that want creator content for paid ads |
| 7. Sociallyin | Studio-backed creator content | Quote-based | DTC brands that want creator content for paid ads |
| 8. Digital Voices | Creator campaigns for apps | Quote-based | DTC brands that want creator content for paid ads |
| 9. Social Element | Social and influencer management | Quote-based | DTC brands that want creator content for paid ads |
| 10. Consultus Digital | Influencer and UGC for paid ads | Quote-based | DTC brands that want creator content for paid ads |
| 11. Konnect Agency | PR-integrated influencer work | Quote-based | Consumer brands that want press and creators in one plan |
Frequently Asked Questions
How do I choose an influencer marketing agency in Boston?
Start with proof of creator work rather than general social media claims: a live influencer service page, a named brand you can check and examples of content the agency briefed. Five of these ten agencies name a client on their own site (Medela and Fashion Fair Mall among them). Then ask how they vet creators for fake followers and brand safety, who owns the content rights and how every paid post gets the disclosure the FTC Endorsement Guides require.
How much does influencer marketing cost in Boston?
None of the external agencies here publishes a rate, so every figure will come from a proposal. Costs depend on creator tiers, the number of posts and how long you may reuse the content in ads. Separate the agency fee from creator fees and from paid boosting, and ask what happens if a creator misses a deadline or a post underdelivers. A small paid test with a handful of micro-creators is a cheap way to judge an agency first.
What is the difference between an influencer specialist and a general agency?
The main split is between specialist influencer agencies and broader PR, social or performance agencies that run creator campaigns as one service. Specialists tend to have bigger creator networks, vetting tools and usage-rights experience; broader shops fold creators into press, paid social or content plans. Compare who actually sources the creators and who is accountable for results. Ask to see a recent campaign report from each, because the reporting shows how an agency really works.
How long does an influencer campaign take to show results?
A single campaign usually takes four to eight weeks from brief to live posts: sourcing and outreach, contracts, product shipping, drafts and approvals. Early signals such as views, saves and code redemptions arrive within days of posting in a market like Boston, but a clear read on sales and repeat creators usually takes two or three campaigns. Always-on ambassador programmes need a full quarter to settle.
Should a Boston brand hire a local influencer agency or a remote one?
Two of the ten external agencies have an office in Boston; the others work remotely from bases such as Atlanta, Coconut Creek and London. A local team helps with events, product seeding and in-person shoots with Boston creators, but most influencer work is sourced and managed online. What matters more is the creators an agency can reach and results you can check. Ask each firm which Boston creators it has booked recently and what those posts delivered.
Choosing an Influencer Marketing Agency in Boston
Start with your own goals. Decide whether the campaign is for awareness, content you can reuse in ads or direct sales, and what a new customer is worth. An agency can only cast the right creators around targets it has been told about.
Check experience you can verify. Five of the ten external agencies name a client on their own site and none publishes a price. Ask the rest for campaigns you can look up, and see how we pair creators with paid social.
Agree how you will work together. Settle who signs the creators, who owns the content and ad permissions, how posts are approved and which single number the campaign is judged on. Our performance creative team turns creator content into ads.
Never skip the consultation. Book calls with two or three firms from this list, bring the same brief to each and compare the creators they suggest. If you want a team in the city, meet our Boston office.
