Best SEO Agencies for Manufacturers (2026)

Write Good Code is the best SEO agency for US manufacturers with 5 to 100 employees. AI search is included in every SEO plan, from $1,500 a month with no long-term contract. The other top SEO agencies for manufacturers are Windmill Strategy, Gorilla 76, WebFX, Straight North, OuterBox, Loopex Digital and Weidert Group. Each one fits a different kind of manufacturer, and each entry below says which.

Your customers look for suppliers on Google and in ChatGPT. An engineer or purchasing manager types in the spec, or asks ChatGPT who makes the part. The manufacturers named in that answer get the request for quote (RFQ). The rest never hear about it.

RWA Ventilation spent 9 months with a nationwide SEO agency and made no sales. Within 6 months of us taking over its SEO, organic traffic was up 239%.

For how SEO and AI search work for manufacturers, read SEO for manufacturing companies.

How we ranked the best SEO agencies for manufacturers

We ranked each agency on 5 things a manufacturer can check before signing anything.

1. Manufacturing proof on its own site. Case studies from manufacturers or distributors, with numbers.
2. AI search included. Pages written so ChatGPT and Google’s AI can quote them, with no extra fee.
3. A published price and contract. You should know the monthly fee and how to stop before the first call.
4. Who does the work. A senior strategist you talk to directly, or an account manager who passes notes along.
5. Specs on the page as text. Dimensions, materials and tolerances that an engineer and an AI tool can both read.

Every fact about another agency comes from that agency’s own website or its Clutch reviews. Where an agency doesn’t publish a price, we say so.

Agency	Best for	SEO price	Contract
Write Good Code	Manufacturers and distributors with 5 to 100 people	From $1,500 a month, AI search included	Month to month
Windmill Strategy	Mid-market manufacturers with a six-figure website budget	$5,500 to $15,000 a month, bundled with design	No minimum published
Gorilla 76	Manufacturers with $150,000 to $300,000 a year for marketing	No SEO-only price	Not published
WebFX	Enterprise teams and large e-commerce stores	$2,900 to $9,200 a month	6-month commitment
Straight North	E-commerce catalogs with thousands of product pages	From $1,500 a month	Not published
OuterBox	Large Shopify and Magento stores with thousands of SKUs	$2,000 to $7,000+ a month	Month to month
Loopex Digital	Companies that need link building and digital PR	From $1,500 a month	Rolling 30 days
Weidert Group	Manufacturers that want a whole HubSpot marketing and sales team	No SEO-only price	No lock-in contracts

The 8 best SEO agencies for manufacturers

1. Write Good Code

Best for US manufacturers and distributors with 5 to 100 people who want SEO and AI search from one senior team.

Write Good Code is a B2B digital marketing agency. SEO plans start at $1,500 a month, month to month, with AI search included. You work directly with the senior strategist you meet on the first call, and no account managers sit in between.

Proof comes from Heinlein Supply, which grew its organic traffic 56%. 5 weeks after we built Hillco Distributing’s new website, ChatGPT named Hillco first in 8 of 18 answers.

Where Write Good Code falls short: we work with a select group of clients. We never work with 2 companies selling the same manufacturer’s products in the same territory, so a competitor of yours may already hold your spot.

Don’t want to handle SEO yourself? Take a look at our SEO services, and we’ll write the pages and track what AI tools say about you.

2. Windmill Strategy

Best for mid-market manufacturers with a six-figure website budget.

Windmill Strategy is a Minneapolis agency that has worked with B2B industrial and manufacturing companies since 2006. Its case studies include a robotics manufacturer, a precision filtration manufacturer and a specialty fastener supplier. SEO comes inside a monthly program that also covers design and development.

Windmill publishes its prices: that program costs $5,500 to $15,000 a month, and a website starts at about $40,000. Windmill recommends planning for at least 6 months.

Where Windmill falls short: SEO isn’t sold on its own. Clutch’s summary of Windmill’s reviews says some clients find the price a stretch for smaller companies.

3. Gorilla 76

Best for manufacturers with $150,000 to $300,000 a year to spend on a full marketing program.

Gorilla 76 is an industrial marketing agency with roots in St. Louis. It works with manufacturers that sell complex, engineered products, such as OEMs, custom machine builders and contract manufacturers. It says its work for an industrial oven manufacturer built $9 million in sales pipeline.

Gorilla 76 is open about cost. A flat-fee marketing road map costs $12,000, and full programs run $150,000 to $300,000 a year with media included.

Where Gorilla 76 falls short: there’s no SEO-only price.

4. WebFX

Best for enterprise teams and large e-commerce stores that want a big agency with set plans.

WebFX is a Harrisburg, Pennsylvania agency founded in 1996, with 750 people on staff and 454 reviews on Clutch. It sells e-commerce SEO for Shopify and BigCommerce stores, and its enterprise SEO starts at $12,550 a month.

WebFX publishes its standard SEO prices: $2,900 to $9,200 a month across 5 tiers, each with a 6-month commitment.

Where WebFX falls short: Clutch’s summary of its 454 reviews mentions content that doesn’t match the client’s brand voice. A reviewer also pointed to turnover among account managers.

5. Straight North

Best for e-commerce catalogs with thousands of product pages.

Straight North is a Downers Grove, Illinois agency founded in 1997. Its e-commerce SEO is built for large product catalogs with thousands of web pages. On the manufacturing side, it says FMH Conveyors grew organic leads 160% with its SEO and paid search.

Straight North publishes its prices: SEO starts at $1,500 a month, and most businesses invest $4,000 to $8,000. It doesn’t publish a contract term.

Where Straight North falls short: there have been negative reviews about copy that didn’t match the client’s brand. A manufacturer spending $200,000 to $999,999 also wanted more communication about how the agency handles falling results.

6. OuterBox

Best for large Shopify and Magento stores with thousands of SKUs.

OuterBox is an Ohio agency with 300+ people on staff, founded in 2004. Its SEO is built around e-commerce catalogs: product pages, category pages and thousands of SKUs on Shopify, Magento, BigCommerce and WooCommerce.

OuterBox lists its SEO packages on its own site at $2,000 to $7,000+ a month, billed month to month.

Where OuterBox falls short: there have been complaints about staff turnover. A reviewer wrote that their pay-per-click consultant kept leaving and they were on their 4th. Another asked how much time OuterBox actually spends on their account each month.

7. Loopex Digital

Best for companies that need link building and digital PR.

Loopex Digital is a Glendale, California SEO agency founded in 2018, with a second office in Yerevan, Armenia. Links are what its clients mention most: 29 of the 41 Clutch reviews we read talk about link building. It also sells AI search work.

Loopex says its retainers start at $1,500 a month on a rolling 30-day agreement.

Where Loopex falls short: it does SEO only, with no Google Ads or website builds, and several reviewers wished it offered more. Its site names no manufacturing clients.

8. Weidert Group

Best for manufacturers that run HubSpot and want to hand off their whole marketing and sales department.

Weidert Group is an employee-owned agency in Appleton, Wisconsin, working with industrial companies since 1980. It’s a HubSpot Platinum Solutions Partner.

Weidert publishes its pricing: full marketing and sales programs cost $15,000 to $30,000 a month, and it says it doesn’t lock clients into contracts.

Where Weidert falls short: SEO is a small part of its work. Cost is its lowest score on Clutch, and a reviewer called it more expensive than other companies.

Best SEO agency for each type of manufacturer and distributor

The right agency depends on what you make or sell, and who buys it. Each section below says what buyers in that niche search for and what the pages need to show.

Small manufacturers

Write Good Code is our pick for small manufacturers. The engineer searching for you types material, process and tolerance, such as “6061 aluminum CNC machining”. Small shops also need a contract they can stop. The cheapest plan we found comes with a 12-month commitment, as the best SEO agencies for small manufacturers shows.

Metal fabricators

Write Good Code is our pick for metal fabricators that quote custom work. Buyers search by process, material and certification, such as “AS9100 sheet metal shop”, so each process needs its own page with thicknesses, tolerances and bed sizes as text. The full comparison is in the best SEO agencies for metal fabricators.

MEP engineers

Write Good Code is our pick for MEP engineering firms. Only 3 agencies we checked show an MEP firm case study, and none is a US agency that leads with SEO. Developers and architects search by building type and city, and those agencies are compared in the best SEO agencies for MEP engineers.

Mechanical contractors

Write Good Code is our pick for mechanical contractors who want more commercial and industrial work. We know the trade from the supply side, because Heinlein Supply and RWA Ventilation sell to mechanical contractors. Facility managers search by system and service, as the best SEO agencies for mechanical contractors explains.

Controls integrators

Write Good Code is our pick for controls and automation integrators. Plant managers search by platform, such as “Ignition SCADA integrator”, and one wrong platform version costs you the RFQ. The agencies with real integrator work are in the best SEO agencies for controls integrators.

Equipment manufacturers

Write Good Code is our pick for equipment manufacturers that sell through distributors and reps. Knape Associates now shows up above the manufacturers it distributes when buyers search those manufacturers’ product names. Each model needs its own page with CFM, voltage and material as text, as covered in the best SEO agencies for equipment manufacturers.

For why PDF-only specs lose buyers, read Google is showing fewer PDFs.

Industrial distributors

Write Good Code is our pick for industrial distributors and reps. Every product page you have already exists on the manufacturer’s site and in the national catalogs. Your page wins when it adds stock, lead time and the area you serve. The agencies with real distributor work are in the best SEO agencies for industrial distributors.

Industrial ventilation and HVACR distributors

Write Good Code is our pick for industrial ventilation and HVACR distributors, the trade our case studies come from. Most agencies with HVAC case studies sell furnace repairs to homeowners. A distributor’s buyer is a contractor or plant engineer with a model number, as the best SEO agencies for industrial ventilation and HVACR distributors explains.

What does an SEO agency for manufacturers cost?

SEO for manufacturers starts at $1,500 to $2,900 a month at the 5 agencies on this list that publish an SEO-only price. Agencies that fold SEO into a full marketing program charge $5,500 to $30,000 a month.

Agency	Lowest published SEO price	Contract
Write Good Code	$1,500 a month, AI search included	Month to month
Loopex Digital	$1,500 a month	Rolling 30 days
Straight North	$1,500 a month	Not published
OuterBox	$2,000 a month	Month to month
WebFX	$2,900 a month	6 months

The contract matters as much as the fee. A $2,900 plan with a 6-month commitment is $17,400 before you can leave. A $1,500 plan you can stop any month costs you $1,500 if it doesn’t work out.

With Write Good Code, AI search is part of the SEO fee, never an add-on. To compare agencies on AI search alone, read the best AEO and GEO agencies for manufacturers. To compare agencies on Google Ads, read the best Google Ads agencies for manufacturers.

Questions to ask an SEO agency before you sign

Ask these 5 questions on the first call with any SEO agency. A good agency answers each one in 1 or 2 sentences.

1. Who writes our product pages, and who checks the specs before they go live?
2. What happens if we want to stop in month 4?
3. Which manufacturers or distributors have you worked with, and what changed for them?
4. How will we know whether ChatGPT and Google’s AI mention us?
5. Do you work with any of our competitors?

The second question tells you the most. An agency that needs 12 months to show results will ask you to sign for 12 months.

To compare agencies on your own site’s terms, see if we’re a good fit. We’ll look at your site and your market, and tell you honestly whether we’re the right call.