spaceA
  • Popular
  • About
  • Our Standards
  • Contact
中文

spaceA curates products and services to give readers more options. Some information on this site comes from partner brands or organisations, who may provide product details or third-party links. Please evaluate carefully; all information is for reference only.

spaceA
PopularAboutOur StandardsContactPrivacy PolicyTerms of Use
© 2026 spaceA. All rights reserved.
Operated by 積木媒體行銷股份有限公司 (Tax ID 00206766)
  1. Home
  2. /Marketing
  3. /How to Choose an SEO Agency: 2026 Picks of 8 SEO Firms & Consultants
MarketingRecommendation
SEO CompanySEO ManagementSEO Recommendations

How to Choose an SEO Agency: 2026 Picks of 8 SEO Firms & Consultants

Compares SEO agencies, consultants and in-house teams, focusing on technical skill, pricing, deliverables and case results, and recommends 8 vetted firms for 2026.

KangKang·Published September 15, 2026·Updated September 15, 2026·21 min read

This article compiles public online discussion, marketplace and booking-site reviews, and official brand information, verified by our editors. Some links are affiliate links; they do not affect our picks. Prices and availability are subject to the retailer.

SEO行銷公司怎麼選?2026 精選 8 家口碑推薦

About the Editor

Kang
KangContent Editor

AI workflow developer by day; formerly an Instagram copywriter and marketing copy editor at a jewellery company. Asks AI before ordering anything, then opens five or six tabs to compare line by line, and reads real user reviews on Threads.

In This Article

  1. Introduction
  2. Outsource to an agency or do SEO in-house? How to choose
  3. Brand recommendations
  4. How to Evaluate SEO Agencies: 3 Key Selection Points
  5. How to Choose, How Fees Are Calculated, and Who It’s For — Quick Answer
  6. FAQ
  7. Conclusion
  8. References

Introduction

Before selecting an SEO agency or consultant, clarify your business goals, KPIs, acceptable timeline, and budget; don’t decide based on price alone. This article breaks down the practical items to look for when choosing a vendor, teaches you how to read the work-hour allocation, risks, and expected outcomes behind a proposal, and compares SEO strategy with site optimization, so marketing promises become verifiable deliverables.

Outsource to an agency or do SEO in-house? How to choose

Differences in outcomes and costs

Handing SEO to an SEO marketing agency usually requires higher upfront investment, but can integrate strategy, technical work, and resources; over time the return per unit invested (ROI) is often better. Handling SEO internally has lower initial costs and more control, but professional depth and execution speed may be limited, causing greater short-term performance variability.

Time and learning curve

Outsourcing saves time and management effort for training and daily operations, but requires work to communicate goals and hand over materials. Internal operations start slower, needing testing and experience accumulation; once proficient, internal teams are more flexible in adjusting pace and cross-department collaboration.

Principles for deciding

If you lack staff or want to quickly establish systematic processes, outsourcing to a consultant or an SEO marketing agency is more suitable. If you already have basic SEO skills and are willing to invest in long-term development, in-house management is more cost-effective and offers better control.

Brand recommendations

1

Jimu Marketing (積木行銷)

Editor’s TakeJimu Marketing handles everything from websites to video production in-house, offering end-to-end SEO plus AI SEO services. They’re well suited for SMEs that want to quickly boost content exposure; the team is small but agile, and the communication efficiency and execution speed were the most impressive aspects from my experience.
Service positioning
Comprehensive SEO and AI SEO consulting services focused on strategic planning, professional execution, and flawless implementation. They help brands be recommended and discovered in the AI-search era, acting as a key driver of brand growth.
Fee model
Contact the company for inquiries
Main features
Focus on content creation that meets E.E.A.T (Experience, Expertise, Authoritativeness, Trustworthiness) standards; target AI SEO/GEO so brands are recommended by AI tools; integrate keyword research + site technical optimization + content creation + external links + data analysis across the full process; provide structured data design to fit AI citation logic; team holds Google Ads certification
Suitable scenarios
SMEs and brands across diverse industries such as beauty and hair, medical and dental, F&B and travel, furniture and construction, e-commerce, and finance
Official Information
Jimu Media Marketing Co., Ltd. (積木媒體行銷股份有限公司), located in Xinyi District, Taipei City, focuses on SEO and AI SEO agency services.
Their website lists 40+ partner brands, including Relove, Grace Gift, and Simply (新普利).
Information is mainly published via the official website and social channels.
No public awards or third-party certifications were found; the team is relatively small, emphasizing creativity and execution, focusing on increasing website exposure through SEO/content and video.

Official product page

2

Welly SEO (偉利科技) AI SEO / GEO services

Editor’s TakeCombines traditional SEO with generative search (GEO), which is especially attractive to brands worried about ChatGPT taking traffic. The team is technology-driven with in-house tools, making them better suited for companies that need long-term data tracking and technical website optimization.
Service positioning
A Taiwan-based full-service search marketing provider focused on AI SEO and GEO (Generative Engine Optimization), helping brands increase Google organic traffic and visibility in AI search results.
Pricing
Contact company for inquiry
Key features
AI SEO (AI-driven search engine optimization), GEO (Generative Engine Optimization to increase likelihood of being cited by ChatGPT and similar AI searches), keyword layout strategy and quality content production/editing, website technical optimization and SOP institutionalization, long-term data tracking and ranking performance analysis
Best for
Brands wanting to increase Google organic traffic, companies worried AI search (e.g., ChatGPT) will replace brand exposure, projects needing website speed and technical optimization, clients needing long-term keyword layout and content marketing execution
Official Information
Founded in Taipei in 2021, team size exceeds 100 people
Claims to have served 30+ industries and 900+ clients (including cases like 法律010, 點點簽, funnow, 貳輪嶼)
Multiple media reports and interviews (The News/Yam, Economic Daily/UDN, Meet, podcasts, LinkedIn community, etc.)
No clear third-party awards or official certifications found in public data
Market highlight: in-house GEO brand visibility tool that combines site architecture optimization, content strategy, and data analysis to provide managed services and consulting

Positive reviews

  • Strong site technical and speed performance; praised for GTmetrix / Lighthouse scores
  • Focuses on content marketing and copy that converts; offers practical implementation plans
  • Provides free SEO analysis; gives a professional and results-oriented impression

Negative reviews

  • Few negative comments in public discussions, though some opinions mention the need to clarify scope of cooperation
  • For highly customized technical needs, confirm whether they meet deep technical requirements

Collaboration experience: Users generally report stable speed, competent technical work, content-focused approach that can drive traffic/results, and a good impression of the team’s practical operations

Renewal intent: Tends toward long-term/ongoing cooperation; overall renewal intention is high

Official product page

3

Zero One Marketing (零一行銷) content marketing and SEO services

Editor’s TakeContent-focused SEO is attractive to small and medium brands that want organic traffic and to reduce ad dependence; claiming results in 3–8 months is a selling point, but final outcomes depend on keyword choice, content depth, and sustained execution. I recommend clarifying time expectations and KPIs upfront.
Service positioning
Content-driven SEO and growth marketing at its core, using keyword research, data analysis, and user insights to help brands build long-term organic traffic and conversion growth.
Pricing
Contact company for inquiry
Key features
Content-driven SEO strategy and keyword research, data analysis and user-insight-driven content planning, build content-based websites/blogs to establish long-term organic traffic, provide consulting, content team and resource matchmaking as a one-stop service, claims of noticeable ranking and traffic growth in 3–8 months
Best for
Brands or SMBs that want to build a content ecosystem focused on organic traffic, those looking to reduce ad dependence, projects pursuing long-term traffic and conversion growth, sites/blogs needing SEO strategy, content team, or consultant support
Official Information
A Taiwan growth marketing/content marketing and SEO company (GrowthMarketing), office address: 5F, No. 37, Section 1, Kaifeng Street, Zhongzheng District, Taipei City
Publishes multiple content marketing cases and clients (such as Green Pharmacy, Pinkoi, Fresh Milk Shop, vitabox, iCHEF, Klook, KKday, AsiaYo, etc.)
Information mainly released through official website and Facebook community page
No public award or third-party certification records; emphasizes lowering ad costs and growing long-term customer loyalty through sustained traffic
4

Da Vinci Digital Technology (達文西數位科技) high-ranking website design

Editor’s TakeCombines website design and SEO, suitable for SMBs that want organic growth; the hybrid AI plus human editing approach looks efficient and steady, but actual results depend on content and execution. Pricing and details should be confirmed with the vendor.
Service positioning
Provides high-ranking website building and integrated marketing services that combine web design with SEO/GEO for enterprises.
Pricing
Contact company for inquiry
Key features
Web design built according to Google ranking guidelines, emphasizing SEO and PSI high scores, precise integration of website design with SEO/GEO, aimed at high rankings and long-term organic traffic growth, offers SEO automation, AI integrations and high-ranking article systems, human editing of ranking copy, supports ADS (paid search), international marketing, EDM and website data analysis, provides free site audits, competitor analysis, maintenance monitoring and monthly keyword reports
Best for
SMBs needing long-term organic traffic growth, traditional industries and brand companies doing website rebuilds or optimizations, e-commerce platforms wanting to improve search ranking and conversion, companies with B2B international marketing needs
Official Information
Founded in 2005, focusing on web design and digital integration services (including hosting and system maintenance)
Claims to have served over 800 enterprises and offers site audits and data analysis
The company website and author columns continuously publish articles and press releases and appear in industry directories/news platforms
No public awards or third-party certification information found in provided media and official materials
Clients include SMBs, traditional industries, brand companies and e-commerce; core combines design, SEO, content and advertising

Official product page

5

awoo (阿物科技) GEO Suite services

Editor’s TakeFocused on GEO Suite to get brands cited by models like ChatGPT, shifting traditional SEO thinking toward generative AI. Attractive for companies wanting to maintain visibility in the AI era, but the service is highly customized; I recommend discussing integration details with the team.
Service positioning
A MarTech solution and consulting service that helps enterprises improve “AI visibility” and citation/recommendation rates in generative AI/agent-driven search and decision environments.
Pricing
Contact company for inquiry
Key features
GEO (Generative Engine Optimization) strategies to increase the brand’s citation rate in generative AI, optimization for platforms like ChatGPT, Google AI Overviews, Perplexity to increase mention probability, enterprise-grade automated tagging and content optimization features, integration with marketing platforms (AMP), combining AI/SEO and MarTech consulting and technical services
Best for
Enterprises seeking increased visibility and citation in large language models and generative AI, brands that need correct recommendations in generative AI or agent-oriented search, marketing teams requiring automated tagging, content optimization and marketing platform integration, companies wanting to extend traditional SEO strategies into AI recommendation ecosystems
Official Information
Founded around 2015, founder Lin Siwu (Mike), headquartered in Chiayi, evolving from SEO consultancy into an AI/MarTech provider
Official materials and LinkedIn state they’ve served over 16,000 enterprises globally and promoted local entrepreneurship and international layouts
Multiple media reports and interviews (official website, LinkedIn, Sunrise, Compotech Asia, VERSE, related podcasts, etc.)
Company and LinkedIn mention having received awards in Taiwan and Japan, but media sources do not list specific award details
Market highlight: combines SEO with generative AI (GEO concept), offering automated tagging, content optimization and AMP marketing platform

Positive reviews

  • Has a professional image in Taiwan’s SEO field
  • Has transitioned from SEO consultancy to AI/MarTech/SaaS provider
  • Considered capable of servicing large brands
  • Local investment in Chiayi noted for talent development

Negative reviews

  • Few concrete negative comments or in-depth usage criticisms in public discussions

Collaboration experience: Users often describe the company as “technically strong” and “industry-leading”; community feedback is mostly news-style reporting with fewer deep usage details

6

Ai Si Yi Ou Marketing Company (艾斯伊歐行銷公司) full-service online marketing

Editor’s TakeThe combination of SEO and AI is eye-catching and appealing to SMBs that want to build long-term organic traffic; however, effectiveness still depends on strategy execution and data tracking, so review service details before deciding.
Service positioning
A Taiwan-based full-service digital marketing company combining traditional SEO, generative search (GEO) and AI technologies
Pricing
Contact company for inquiry
Key features
Combines traditional search engine optimization (SEO) with generative search (GEO), applies AI to marketing and content strategies, offers content marketing, social planning and integrated brand marketing, digital ad placements (Google/Meta/YouTube, etc.) and RWD web design, site conversion path design and data tracking, strategy adjustments, outcome-driven end-to-end execution from strategy to implementation
Best for
Improving organic traffic and keyword rankings, building long-term accumulative online visibility and conversions, SMBs and brands expanding internationally, projects needing integrated ad, content, social and conversion strategies
Official Information
Led by founder Morris, focuses on SEO, GEO, AI and content/social marketing
Claims to have served hundreds of clients and accumulated thousands of digital marketing consulting cases, serving Taiwan and over 100 countries
Has media interviews (Vocus startup feature), and company info appears on official website and job platforms (104)
No public awards or third-party certification information found in provided media and official materials
Emphasizes integrated services, tailored strategies and practical experience, highlighting organic traffic growth and international expansion

Official product page

7

MTMG SEO One-Stop Online Marketing Services

Editor’s TakeMTMG’s strength is its practical approach to managing SEO and content assets with a keyword map; suitable for B2B/SaaS companies seeking long-term stable organic traffic. I would confirm the execution details and reporting cadence for the first three months before signing a contract.
Service Positioning
A performance-driven integrated digital marketing agency in Taiwan, focused on SEO and customized integrated marketing solutions to help companies increase website traffic and brand visibility.
Pricing
Please contact the company for a quote (project-based pricing; free marketing consultation available)
Key Features
Integrated marketing services centered on SEO and content, keyword map SOP and content asset management, combines AI generative content engine with high-quality content output, integrates GA4, ad campaigns, EDM/CRM and MarTech feedback loops, provides initial execution plans (health check, keyword strategy, content planning, tracking setup, reporting cadence), and offers customized strategies adjusted by company type and product
Best For
B2B and high-ticket service industries aiming to increase organic traffic and leads, SaaS products that need a predictable conversion cadence, cross-border e-commerce and regional markets (Taiwan, Asia/Europe/America) expansion, companies that need to deploy SEO, GEO and paid campaigns simultaneously
Official Information
Registered company name / publicly known as “Aisi SEO (艾斯伊歐)”, an integrated online marketing company in Taiwan
The team includes SEO experts, content marketers, website and digital advertising specialists
Multiple platform introductions, interviews, or case studies available (MarsGo, Juhenghao (鉅亨號), 104 Learning / Nabi, Vocus, etc.)
No specific awards or third-party certifications were found in public information
Market highlights include keyword map SOP, AI content engine and a data closed loop between SEO and paid campaigns

Positive user reviews

  • Users praise their professionalism and SEO-centered approach
  • Capable of integrating GEO, advertising and brand growth strategies
  • Customizes strategies based on company type and product
  • Often proposes concrete initial execution plans and tracking setups

Negative user reviews

  • Few specific negative reviews in public discussion, making it hard to infer common problems from negative cases
  • Being frequently recommended does not mean they fit every company; you need to verify suitability yourself

Collaboration experience: Overall reputation is positive. The agency appears integrated and practice-oriented, suitable for companies that want to deploy SEO/GEO and grow traffic/content simultaneously. Considered relatively professional in local markets (e.g., Tainan).

Renewal intent: Renewal intent is generally high, but renewals often depend on the execution results of the first three months and whether needs are met.

Official product page

8

SharkTech (鯊客科技)

Editor’s TakeTreating the website as a long-term asset, Shark’s SharkEC is modular and SEO-centered. It appeals to companies that want practical operations and system maintenance to reduce advertising costs through organic search. I would pay attention to the details of system maintenance.
Service focus
Website design and digital marketing services centered on SEO, offering the SharkEC system and consulting services
Pricing
Contact the company for inquiries
Key features
Proprietary modular website system (SharkEC), SEO-centered website design and digital marketing, provides SEO consulting, copywriting and keyword performance tracking, regular software updates, strengthened security and system architecture, reduces advertising costs and increases organic inquiries through software and modularization
Best for
Assisting traditional industries with digital transformation, improving website performance and user interface, website build and maintenance for listed companies, SMEs and e-commerce brands, companies that want to reduce ad spending and increase inquiries via organic search
Official Information
Founded in 2014, a Taiwan software-origin internet marketing company
Developed the proprietary SharkEC modular website system
Commercial Times (2020) reported that Shark helped traditional industries with digital transformation and SEO results
According to official and media information, no public awards or official certifications are found
Clients include listed companies, SMEs and e-commerce brands, emphasizing system maintenance and technical support
Company Product/Service Pricing Key features Best for
Jimu Marketing SEO and AI SEO managed service Contact the company for inquiries End-to-end SEO + content + video integrated service, young and agile team SMEs that want to quickly boost content exposure
Welly SEO (偉利科技) AI SEO / GEO services Contact the company for inquiries AI SEO, GEO Improve search/AI visibility
Zero One Marketing Content marketing and SEO services Quoted per project, contact for details Keyword research, content strategy Build a brand website that brings its own traffic
Da Vinci Digital Technology High-ranking website design Contact the company for inquiries Google ranking guidance and PSI optimization SMEs, e-commerce
awoo (阿物科技) GEO Suite services Contact the company for inquiries GEO strategy, AI search optimization Brands being cited by generative AI
ASIO Marketing Comprehensive internet marketing services Contact the company for inquiries SEO + GEO + AI integration Increase organic traffic and conversions
MTMG SEO One-stop internet marketing services Contact the company for inquiries SEO core, keyword mapping, AI content B2B/SaaS/cross-border e-commerce needing traffic growth
SharkTech (鯊客科技) SEO-centered website and marketing services Contact the company for inquiries SharkEC modular system, SEO consulting Listed companies, SMEs, e-commerce

How to Evaluate SEO Agencies: 3 Key Selection Points

3 Key Selection Points Technical Ability & Ranking Check keyword ranking results Pricing & Service Match Verify scope and price Case Studies & Reputation Assess case effectiveness & feedback Cross-check technical skills, pricing, and reputation—don’t rely on just one factor. S paceA

Measurable Performance Metrics

Focus on verifiable numbers: organic traffic breakdown, keyword ranking trends, conversion rate, and average order value changes. Ask the provider for read-only access to analytics accounts or screenshots as proof, and use time-series charts to distinguish short-term fluctuations from sustained growth.

Breakdown of Pricing and Deliverables

Split the quote into labor, content, and technical components for comparison, and request a list of specific deliverables and a timeline (for example, X articles per month, Y technical fixes, Z external link verifications). Confirm whether keyword research, on-page optimization, and link building are included, and clarify who is responsible for writing and the review process.

Execution Details and Audit Mechanisms

Request work logs, schedules, and a list of external link sources, and include reporting frequency and response time in the contract. For an outsourced team, obtain access to analytics tools or regular exported reports; when working with consultants, agree on knowledge transfer, replacement of responsible persons, and change logs for traceability and auditing.

How to Choose, How Fees Are Calculated, and Who It’s For — Quick Answer

How to Choose, How Fees Are Calculated, and Who It’s For How to Choose Technical ability and results come first Pricing Models Plans are usually monthly or project-based Who It’s For Suitability depends on company size and goals Choose based on technical skill, content, and tracking period; fees and fit depend on service depth and duration. S paceA

  • When choosing an SEO marketing agency, outsourced SEO service, or SEO consultant, focus on technical ability and content: do they have AI SEO and GEO tools, SOPs, and long-term data tracking? Require real case studies and clear KPIs before signing.
  • Pricing is often split between one-time project fees and ongoing monthly management: Davinci tends toward high-ranking site build projects; Welly claims keyword performance guarantees and emphasizes AI/GEO outsourcing; awoo and ACE stress GEO and continuous tracking. Differences in plans depend on service scope and tracking duration.
  • Suitable clients vary by need: SMBs that need a website rebuild and conversion focus can consider Davinci or Shark; brands wanting to strengthen AI/GEO visibility fit Welly or awoo; those prioritizing content ecosystems and long-term traffic should look to ZeroOne, MTMG, or ACE for integrated consulting and outsourcing.

FAQ

▶How long does it usually take to see results from an SEO company’s services?

SEO timelines vary by industry competitiveness, the website’s current condition, and keyword difficulty. Generally, technical fixes and small keyword moves can show initial results in 1–3 months; content and link strategies usually begin producing noticeable traffic growth in 3–6 months; and stable rankings and performance improvements often take 6–12 months or more. We recommend signing at least a 6-month contract and evaluating long-term progress by traffic, conversions, and keyword groups.

▶How can I tell if an SEO company is using black-hat techniques?

Look for red flags such as promises of guaranteed short-term rankings, heavy use of low-quality external links or keyword stuffing, content that is frequently hidden or redirected, and a lack of transparent strategy or reporting. Ask to see real traffic growth records, the sources of external links, and contract breach terms. Use third-party tools to check backlinks and indexing to verify whether white-hat practices are being used.

▶What factors explain the cost differences between SEO marketing companies?

Cost differences stem from the project scope and target keyword competitiveness, website size and required technical changes, content output volume and quality, link-building strategy, ongoing maintenance and reporting frequency, and the executing team’s experience and regional costs. In short, the more complex the needs, the fiercer the competition, and the more comprehensive the service, the higher the price.

▶Should small and medium businesses choose a large agency or a specialist SEO company?

SMBs should decide based on goals and resources: choose a large agency for one-stop marketing integration, abundant resources, and brand exposure; choose a specialist SEO company for expert SEO skills, faster adjustments, and customized strategies—often more cost-effective. Focus on the vendor’s case studies, technical approach, reporting transparency, and communication frequency. Pick a partner who can align with your business cycles and deliver measurable results.

▶What key questions should I ask an SEO company before signing a contract?

Before signing, ask about specific KPIs and evaluation metrics, whether their methods are white-hat, past success cases and data, reporting frequency and account access, fees and contract length, breach or performance guarantee clauses, exit and data transfer arrangements, the communication point of contact and dedicated team members, and whether the quote includes paid ads or additional services.

Conclusion

First, decide whether you need an SEO marketing company to manage execution or to act as a consultant: if you want someone to do the day-to-day work, hire a managed-service team that can execute long term and deliver monthly data exports; if you plan to build your own team, hire a consultant who can provide a roadmap and knowledge transfer. Before signing, press on three questions: who will actually do the work, what does the monthly report look like, and how is the contract terminated mid-term. If the answers to these three are vague, put the cheap quote aside for now.

References

[1] Dcard Jobs board: Welly SEO discussion
[2] Dcard Social Media Editors board: discussion on choosing an SEO company
[3] PTT Chiayi board: discussion about awoo (阿物科技)
[4] Dcard Startup board: recommendations for SEO companies
Kang
Kang

We compile public discussion and reviews, cross-check them, and cite the source and update date of every claim. Spotted an error? Please contact us.

More in this category
  • Audio-Visual CreativeHow to Choose a Short-Form Video Agency? 5 Top Picks for 2026
  • Short-Form Video Gear for Beginners: Phone, Tripod, Lighting, Microphone
More Marketing
Other topics
  • Beauty & Skincare
  • Food
  • Travel & Stays