Authority Builders alternative: Serpier and Authority Builders compared
Serpier makes this page. Every fact about Authority Builders comes from Authority Builders' own website, and the facts on this page were last checked on . Sources are listed at the end.
Authority Builders sells guest posts, link insertions and managed monthly link plans called ABC Plus. Serpier sells placements through a marketplace where you pick the site, and its link plans are quoted by sales.
Pick Serpier if you want to see and pick each site yourself and track AI visibility in the same account. Stay with Authority Builders if you want a managed monthly plan with a published price and a stated guarantee.
As of 28 October 2026, Authority Builders ABC Plus Starter costs $1,000 a month (€893.81). Serpier charges per placement, and you can order on the free Serpier Light plan. Serpier Starter, which adds AI visibility tracking, costs €199 a month billed monthly.
Where Serpier is better
Buying a link is one step. Serpier also suggests which step to take next, and does it once you approve.
- Navi, Serpier's AI agent, reads your website, SEO performance, AI visibility and link monitoring, and suggests what to do next, each with why it is there: for example ordering a placement from a shortlist of publishers to work on a keyword sitting just off page one, or fixing robots.txt, llms.txt, the sitemap or meta tags.
- You click Hand over to Navi or I'll do it myself.
- Navi does the work, and you approve before anything is bought or changed. As your rankings, AI visibility and links change, new suggestions keep coming.
Authority Builders does not state whether it suggests next steps or whether it has a task board with an AI agent that can take tasks.
- Serpier lets you pick the site for each placement. Serpier's Marketplace offers 200,000 media agreements, and each listing shows Price, Domain Rating (DR), organic traffic, referring domains, relevance score, country, content language and category.
- Serpier shows every marketplace price once you open a free account. Serpier publishes example prices: UK media from €13, and half cost under €400. Authority Builders states on public prices: No for the marketplace inventory: site URLs are blocked out for new users.
- Serpier tracks AI visibility on Starter, Growth and Enterprise and sells placements in the same account. Authority Builders lists AI Platform tracking in its ABC Plus Starter plan. For placements that AI assistants pick up, Serpier sells AI Publication: an article with no links or only nofollow links, for brand mentions that AI assistants pick up. Authority Builders sells ABC AI Plus | Managed AI Search Authority as a managed service, from $1,500 a month for AI Plus Starter.
- Serpier has an MCP server and a partial API. Serpier states yes for the MCP server. Authority Builders does not state whether you can order from an AI assistant through MCP. Authority Builders does not state whether you can order by API.
- Serpier also tracks your site's SEO performance and runs scheduled automations, such as a weekly summary. Authority Builders does not state whether it tracks SEO performance or whether it runs scheduled automations.
Where Authority Builders is better
- Authority Builders states its link guarantee: Replacement or full refund if the link is removed within a year and cannot be got live again. Serpier states that homepage placements last 12 months, and does not state a guarantee period for other placements.
- Authority Builders offers a 30 Day Satisfaction Guarantee. Serpier states: No refunds unless agreed. If a publisher fails to deliver, Serpier may give an account credit.
- Authority Builders publishes the price of its managed plans: ABC Plus Starter costs $1,000 a month, ABC Plus Pro costs $2,000 a month and ABC Plus Custom starts at $3,000 a month. Serpier's link plans are quoted by sales.
- Authority Builders sells High-Authority Links Gold Subscription at $2,000 a month for 5 links, with a minimum Domain Rating of 60.
What else you get with Serpier
Serpier is one platform for AI visibility, SEO and link building. Besides what this page compares with Authority Builders, it includes:
AI visibility tracking
See how often AI assistants such as ChatGPT, Gemini and Perplexity mention your brand, with share of voice, rank, sentiment and the sources they cite, next to the competitors you name.[24][22][25]
SEO performance
Track where your site ranks in search, find keywords close to page one, and see referring domains and page speed. With Search Console connected, Serpier also flags keywords losing clicks and pages competing for the same query.[16]
Suggestions and tasks with Navi
Navi, Serpier's AI agent, suggests next steps for your site, links, rankings and AI visibility. Hand a task to Navi and it quotes the order, drafts the change to your site or drafts an email to the publisher, and waits for your approval.[18][19]
Automations
Have Navi run a prompt on a schedule, such as a weekly summary of your SEO performance and AI visibility.[20]
Link monitoring
The Publication Tracker checks that every link you bought or added stays live, indexed and as ordered, and spots edits to the article before they cost you the link.[26]
Publishing to your own site
Connect WordPress, Shopify, Magento or Umbraco, and Navi publishes fixes and new pages after you approve them.[27]
Connections and MCP
Connect Search Console, Analytics, Shopify and other tools, and use Serpier from your own AI tools through MCP.[28][29]
Placements on real media
Order articles and links on other companies' websites in the Serpier Marketplace, including AI Publications: articles for brand mentions that AI assistants pick up.[30][11]
See Serpier with your own brand
Authority Builders pricing and Serpier pricing
As of 28 October 2026, Authority Builders ABC Plus Starter costs $1,000 a month (€893.81), ABC Plus Pro costs $2,000 a month and ABC Plus Custom starts at $3,000 a month. Authority Builders sells an AI service, ABC AI Plus, at $1,500, $3,000 or $5,000 a month. Serpier charges per placement on any plan, including the free Serpier Light plan. The optional Serpier Starter plan, which adds AI visibility tracking, costs €199 a month billed monthly.
Serpier
€0 a month
Order placements on the free Serpier Light plan. You pay for each placement you order, and no subscription is needed.[22]
Monthly plans are optional and add tracking on top: Serpier Starter (€199 a month) adds SEO and AI visibility monitoring and watches up to 500 publications, and Serpier Growth (€599 a month) covers more projects, prompts and publications.[22][22] See all plans
Authority Builders
| Plan | A month, billed monthly | A month, billed yearly | Currency | Includes |
|---|---|---|---|---|
| ABC Plus Starter[23] | $1,000€893.81 | Not stated | USD | Managed mix; example: 2 guest posts, 1 Silver HAL, 1 listicle or Gold HAL, with R&R + AI Platform tracking |
| ABC Plus Pro[23] | $2,000€1,787.63 | Not stated | USD | Doubled volume; example: 4 guest posts, 2 Silver HALs, 2 listicles or Gold HALs |
| ABC Plus Custom[23] | $3,000€2,681.44 | Not stated | USD | Fully custom blend, dedicated strategist |
| AI Plus Starter[12] | $1,500€1,340.72 | Not stated | USD | Foundational AI Audit, Content Refresh Plan, High Authority Links |
| AI Plus Growth[12] | $3,000€2,681.44 | Not stated | USD | Everything in Starter plus Earned Media PR Placements, Review and Reputation Strategy |
| AI Plus Custom[12] | $5,000€4,469.07 | Not stated | USD | Everything in Growth plus Digital PR, highest-tier links |
| High-Authority Links Gold Subscription[9] | $2,000€1,787.63 | Not stated | USD | 5 or 10 links/month, min DR60, 10k monthly organic traffic |
Every fact, row by row
Every feature, limit and term we compared, with the source for each value. Serpier on the left, Authority Builders on the right.
| What we compare | Serpier'%3e%3cpath%20d='M117.754%2063C105.603%2063%2097.3548%2057.4694%2097%2047.7252H106.401C106.756%2052.2901%20110.925%2055.6259%20117.754%2055.6259C123.874%2055.6259%20127.599%2053.4313%20127.599%2049.5687C127.599%2045.4427%20123.519%2044.6526%20116.956%2043.8625C106.313%2042.7214%2097.8869%2040.6145%2097.8869%2031.0458C97.8869%2022.5306%20105.603%2017%20116.512%2017C127.687%2017%20135.581%2022.0917%20136.202%2031.0458H126.8C126.268%2027.1832%20122.632%2024.4619%20116.601%2024.4619C110.747%2024.4619%20107.288%2026.3931%20107.288%2030.0802C107.288%2034.2939%20111.368%2035.084%20117.931%2035.8741C128.574%2037.1031%20137%2039.1221%20137%2048.9542C137%2057.5573%20128.752%2063%20117.754%2063Z'%20fill='%231E1E1E'/%3e%3cpath%20d='M162.588%2062.9826C148.465%2062.9826%20139.605%2053.8597%20139.605%2040.0878C139.605%2026.2282%20148.465%2017.0176%20161.711%2017.0176C174.605%2017.0176%20183.465%2025.351%20183.465%2038.8597V42.1054H149.518V42.6317C149.518%2050.1755%20154.605%2055.2633%20162.062%2055.2633C167.939%2055.2633%20172.237%2052.3685%20173.553%2047.4562H183.026C181.448%2056.2282%20173.728%2062.9826%20162.588%2062.9826ZM149.781%2035.0878H173.816C173.026%2028.4212%20168.465%2024.6492%20161.798%2024.6492C155.833%2024.6492%20150.57%2028.5089%20149.781%2035.0878Z'%20fill='%231E1E1E'/%3e%3cpath%20d='M188.76%2062.4561V17.5439H197.094L198.058%2024.2982C200.339%2020.614%20203.848%2017.5439%20211.392%2017.5439H213.585V26.4035H209.462C200.953%2026.4035%20198.322%2032.9825%20198.322%2039.9123V62.4561H188.76Z'%20fill='%231E1E1E'/%3e%3cpath%20d='M217.139%2080.0001V17.544H225.472L226.437%2024.2983C229.419%2020.351%20234.069%2017.0176%20241.174%2017.0176C253.455%2017.0176%20262.49%2025.6141%20262.49%2040.0001C262.49%2053.8597%20253.455%2062.9826%20241.262%2062.9826C234.244%2062.9826%20229.419%2060.1755%20226.7%2056.0527V80.0001H217.139ZM239.595%2054.9124C247.49%2054.9124%20252.753%2048.9475%20252.753%2040.0001C252.753%2031.1405%20247.49%2025.0878%20239.595%2025.0878C231.788%2025.0878%20226.525%2031.1405%20226.525%2039.9124C226.525%2048.8597%20231.788%2054.9124%20239.595%2054.9124Z'%20fill='%231E1E1E'/%3e%3cpath%20d='M267.788%2062.4561V17.5439H277.349V62.4561H267.788ZM272.525%2010.9649C269.454%2010.9649%20266.998%208.59649%20266.998%205.43859C266.998%202.2807%20269.454%200%20272.525%200C275.683%200%20278.051%202.2807%20278.051%205.43859C278.051%208.59649%20275.683%2010.9649%20272.525%2010.9649Z'%20fill='%231E1E1E'/%3e%3cpath%20d='M305.571%2062.9826C291.448%2062.9826%20282.588%2053.8597%20282.588%2040.0878C282.588%2026.2282%20291.448%2017.0176%20304.694%2017.0176C317.588%2017.0176%20326.448%2025.351%20326.448%2038.8597V42.1054H292.501V42.6317C292.501%2050.1755%20297.588%2055.2633%20305.044%2055.2633C310.922%2055.2633%20315.22%2052.3685%20316.536%2047.4562H326.009C324.43%2056.2282%20316.711%2062.9826%20305.571%2062.9826ZM292.764%2035.0878H316.799C316.009%2028.4212%20311.448%2024.6492%20304.781%2024.6492C298.816%2024.6492%20293.553%2028.5089%20292.764%2035.0878Z'%20fill='%231E1E1E'/%3e%3cpath%20d='M331.742%2062.4561V17.5439H340.075L341.04%2024.2982C343.321%2020.614%20346.829%2017.5439%20354.373%2017.5439H356.566V26.4035H352.443C343.935%2026.4035%20341.303%2032.9825%20341.303%2039.9123V62.4561H331.742Z'%20fill='%231E1E1E'/%3e%3c/g%3e%3cpath%20d='M16.5758%2032.3333V47.6666H31.8584V62.9999H22.8377C10.2276%2062.9999%200%2052.7463%200%2040.0864V39.9134C0%2027.2615%2010.2198%2017.0078%2022.8377%2017.0078H31.8584V32.3411H16.5758V32.3333Z'%20fill='%231E1E1E'/%3e%3cpath%20d='M78.999%2039.9135V40.0865C78.999%2052.7385%2068.7793%2063%2056.1613%2063H47.1406V47.6667H62.4233V32.3333H47.1406V17H56.1613C68.7714%2017%2078.999%2027.2537%2078.999%2039.9056V39.9135Z'%20fill='%231E1E1E'/%3e%3cpath%20d='M47.14%2032.333H31.8574V47.6663H47.14V32.333Z'%20fill='%231E1E1E'/%3e%3cdefs%3e%3cclipPath%20id='clip0_326_1272'%3e%3crect%20width='260'%20height='80'%20fill='white'%20transform='translate(97)'/%3e%3c/clipPath%3e%3c/defs%3e%3c/svg%3e){kind=small} | Authority Builders |
|---|---|---|
| What it does | Serpier is an AI-powered SEO and AI visibility platform. It combines SEO intelligence, prompt strategy, performance monitoring, and automated execution in one system, so you can rank on Google and get cited by AI.[1] | Sells guest posts, link insertions, high-authority news links and managed monthly link-building plans (ABC Plus), plus an AI-visibility service line (ABC AI Plus).[2] |
| Link building | ||
| How you buy | Mix: a self-serve marketplace and link plans quoted by sales[3]Navi, the AI agent, can also search the marketplace and order. Third-party publishers publish the placements. | Not stated[4] |
| Publishers | 200,000 media agreements[5]Across every category and country, with filters for country, content language and category. | Not stated[6] |
| Prices visible without an account | No, a free account shows every price[7]Prices are shown per project, because some sites charge more for certain industries. | No for the marketplace inventory: site URLs are blocked out for new users[6] |
| How the vendor charges | Price per placement, plus monthly plans[8]Serpier pays each publisher a separately agreed price and does not publish its markup. Ordering is also possible on the free Light plan. | Not stated[9] |
| Minimum order | Not stated[10] | Not stated[6] |
| Link guarantee | Homepage placements last 12 months[8]For article placements, Serpier does not state a guarantee period or a replacement if a link disappears. | Replacement or full refund if the link is removed within a year and cannot be got live again[6] |
| Publisher metrics shown | Price, Domain Rating (DR), organic traffic, referring domains, relevance score, country, content language and category[11] | Buyer chooses metrics such as organic traffic and domain authority[4] |
| Placements sold for AI visibility | AI Publication: an article with no links or only nofollow links, for brand mentions that AI assistants pick up[11]Writing options for it include Brand mention, PR Post and Co-citation. | ABC AI Plus | Managed AI Search Authority[12] |
| Order by API | Partly[13]On Enterprise you can search the Marketplace through the API. The API reference lists no endpoint for placing orders. | Not stated[6] |
| Order from an AI assistant (MCP) | Yes[14]The MCP server can search the Marketplace, change the cart, place an order and read the Publication Tracker. Claude connects on any plan. ChatGPT cannot place orders, and other clients need Enterprise. | Not stated[6] |
| Refunds | No refunds unless agreed. If a publisher fails to deliver, Serpier may give an account credit.[3]A placement that a publisher declines is refunded, with suggested replacement sites. Subscription payments are non-refundable. | 30 Day Satisfaction Guarantee[15] |
| Other features | ||
| SEO performance tracking | Yes[16]Included on Starter, Growth and Enterprise. SEO Performance tracks rankings in Google, Yahoo or Baidu, on desktop and mobile, daily, weekly or monthly. With Search Console connected it also flags keywords losing clicks, low click-through rates and pages competing for the same query. | Not stated[17] |
| Suggested next steps | Yes[18]Examples: order a placement for a keyword just off page one, fix robots.txt, llms.txt, the sitemap or meta tags, repair a dropped link, or write a page where competitors outrank you. | Not stated[17] |
| Task board and AI agent | Yes[19]Navi can quote an order, draft a change to your site, draft an email to a publisher about a link fix, or research. Nothing is bought or changed on your site until you approve. | Not stated[17] |
| Scheduled automations | Yes[20]Schedules: every hour, day, week or month, or a custom cron. | Not stated[17] |
| Data, contracts and switching | ||
| EU invoicing and VAT | EUR, prices exclude VAT[3]Your account currency can be DKK, EUR, USD or GBP. | Not stated[6] |
| Company | ||
| Headquarters | Denmark[21]Headquarters in Aarhus. The company is Serpier ApS. | United States (St. Pete Beach, Florida)[6] |
| Founded | 2024[21] | Not stated[4] |
How to switch from Authority Builders to Serpier
- List what you bought at Authority Builders and where each link sits, so you know what to keep tracking.
- Start on the free Serpier Light plan. A free Serpier account shows every marketplace price for your project. To track AI visibility as well, start Serpier Starter, which has a 7-day free trial, card required.
- Pick the project you are buying for, find sites that fit it and add placements to your cart.
- Read your Authority Builders terms before you end a monthly plan. This page does not cover Authority Builders' cancellation terms.
Questions and answers
Does Authority Builders guarantee that a link stays live?
Authority Builders states its link guarantee as Replacement or full refund if the link is removed within a year and cannot be got live again. Authority Builders also offers a 30 Day Satisfaction Guarantee. Serpier states that homepage placements last 12 months.
Can I see Authority Builders' sites and prices before I sign up?
Authority Builders states on public prices: No for the marketplace inventory: site URLs are blocked out for new users. Authority Builders does not state publishers. Serpier lists 200,000 media agreements, and a free Serpier account shows every price.
What can I choose myself at Authority Builders?
Authority Builders states that the buyer chooses metrics such as organic traffic and domain authority. Authority Builders does not state a minimum order. Serpier lets you pick each site in its Marketplace.
Where do the facts on this page come from?
Every fact about Authority Builders comes from Authority Builders' own website. Every fact about Serpier comes from Serpier's own website. Review sites and articles about either company are not used. The facts on this page were last checked on 28 October 2026, and each one links to its source at the end of the page.
What else does Serpier do?
Serpier is one platform for AI visibility, SEO and link building. Besides what this page compares, it includes AI visibility tracking, SEO performance, suggestions and tasks with Navi, automations, link monitoring, publishing to your own site, connections and MCP and placements on real media. See how often AI assistants such as ChatGPT, Gemini and Perplexity mention your brand, with share of voice, rank, sentiment and the sources they cite, next to the competitors you name. Track where your site ranks in search, find keywords close to page one, and see referring domains and page speed. With Search Console connected, Serpier also flags keywords losing clicks and pages competing for the same query. Navi, Serpier's AI agent, suggests next steps for your site, links, rankings and AI visibility. Hand a task to Navi and it quotes the order, drafts the change to your site or drafts an email to the publisher, and waits for your approval. Have Navi run a prompt on a schedule, such as a weekly summary of your SEO performance and AI visibility. The Publication Tracker checks that every link you bought or added stays live, indexed and as ordered, and spots edits to the article before they cost you the link. Connect WordPress, Shopify, Magento or Umbraco, and Navi publishes fixes and new pages after you approve them. Connect Search Console, Analytics, Shopify and other tools, and use Serpier from your own AI tools through MCP. Order articles and links on other companies' websites in the Serpier Marketplace, including AI Publications: articles for brand mentions that AI assistants pick up.
Sources and method
Sources (30)
- 1.
- 2.
- 3.
Serpier: serpier.com/terms-conditions
Shows: how you buy; refunds; EU invoicing and VAT.
Checked on 27 October 2026. Archived copy
- 4.
Authority Builders: authority.builders/guest-posts
Shows: publisher metrics shown.
Does not state: how you buy; founded.
Checked on 27 October 2026.
- 5.
- 6.
Authority Builders: authority.builders/faq
Shows: prices visible without an account; link guarantee; headquarters.
Does not state: publishers; minimum order; order by API; order from an AI assistant (MCP); EU invoicing and VAT.
Checked on 27 October 2026.
- 7.
Serpier: serpier.com/lp/link-building
Shows: prices visible without an account; placement prices; prices shown.
Checked on 27 October 2026. Archived copy
- 8.
Serpier: docs.serpier.com/publisher-deals
Shows: how the vendor charges; link guarantee.
Checked on 27 October 2026. Archived copy
- 9.
Authority Builders: authority.builders/high-authority-links
Shows: the price of High-Authority Links Gold Subscription.
Does not state: how the vendor charges.
Checked on 27 October 2026.
- 10.
Serpier: docs.serpier.com/cart
Does not state: minimum order.
Checked on 27 October 2026. Archived copy
- 11.
Serpier: docs.serpier.com/marketplace
Shows: publisher metrics shown; placements sold for AI visibility.
Checked on 27 October 2026. Archived copy
- 12.
Authority Builders: authority.builders/ai-plus
Shows: placements sold for AI visibility; the prices of AI Plus Starter, AI Plus Growth and AI Plus Custom.
Checked on 27 October 2026.
- 13.
- 14.
Serpier: docs.serpier.com/mcp
Shows: order from an AI assistant (MCP).
Checked on 27 October 2026. Archived copy
- 15.
- 16.
Serpier: docs.serpier.com/seo-performance
Shows: SEO performance tracking.
Checked on 28 October 2026. Archived copy
- 17.
Authority Builders: authority.builders
Does not state: SEO performance tracking; suggested next steps; task board and AI agent; scheduled automations.
Checked on 28 October 2026.
- 18.
- 19.
- 20.
- 21.
Serpier: serpier.com/ai-instructions
Shows: headquarters; founded.
Checked on 27 October 2026. Archived copy
- 22.
Serpier: serpier.com/pricing
Shows: the prices of Light, Starter and Growth; AI assistants tracked (Light, Starter, Growth and Enterprise).
Does not publish: the price of Enterprise.
Checked on 27 October 2026. Archived copy
- 23.
Authority Builders: authority.builders/abc-plus
Shows: the prices of ABC Plus Starter, ABC Plus Pro and ABC Plus Custom.
Checked on 27 October 2026.
- 24.
Serpier: docs.serpier.com/ai-visibility
Shows: what it measures.
Checked on 27 October 2026. Archived copy
- 25.
Serpier: serpier.com/ai-visibility
Shows: competitor benchmarks.
Checked on 27 October 2026. Archived copy
- 26.
Serpier: docs.serpier.com/publication-tracker
Shows: checks links after they go live.
Checked on 28 October 2026. Archived copy
- 27.
Serpier: docs.serpier.com/suggestions
Shows: publishes to your own website.
Checked on 27 October 2026.
- 28.
- 29.
- 30.
Serpier: docs.serpier.com/marketplace
Shows: order placements on other websites.
Checked on 28 October 2026. Archived copy
Method and what each row means
We read each company's own website: its pricing page, docs, help center, terms and announcements. Review sites, directories and articles about a company are never a source. Every value links to its source, with the date we checked it. Serpier's facts follow the same rule and come from Serpier's own website.
Prices are per month and exclude VAT, in the currency the company publishes. A price in another currency is also shown in EUR, at the ECB reference rate of 26 October 2026. Some companies show other prices or currencies depending on where the visitor is, so the page says which visitor the prices were shown to.
Each value in the table is one of these, or the number or words the company uses:
- Yes:
- the company's own pages say the product has it.
- No:
- the company's own pages say it is not offered, or a complete plan table leaves it out.
- Partly:
- offered with a limit, written next to the value.
- Not stated:
- we could not find it on the company's own pages. It does not mean No.
- Not public:
- the company does not publish it, for example a price behind Contact sales.
What each row means
- What it does:
- What the product does in one sentence, based on the company's own website.
- How you buy:
- Whether it is a self-serve marketplace, a managed service, a digital PR agency or a mix.
- Publishers:
- How many publishers or sites the vendor says it offers, with its main markets and languages.
- Prices visible without an account:
- Whether you can see what each publisher costs before you sign up.
- How the vendor charges:
- How the vendor says it earns money: a markup or commission on the publisher's price, a subscription or a fixed price per link.
- Minimum order:
- The smallest deposit or order the vendor accepts.
- Link guarantee:
- How long a link is guaranteed and what happens if it disappears, such as a replacement or a refund.
- Publisher metrics shown:
- Which publisher metrics you see before you buy, such as Domain Rating, Domain Authority or traffic.
- Placements sold for AI visibility:
- A product the vendor sells for visibility in AI answers, named the way the vendor names it.
- Order by API:
- Whether you can order through an API.
- Order from an AI assistant (MCP):
- Whether you can order from an AI assistant such as Claude or ChatGPT through an MCP server.
- Refunds:
- The vendor's refund policy in one line.
- SEO performance tracking:
- Whether the product tracks your own website in search: rankings, clicks, or keywords close to page one.
- Suggested next steps:
- Whether the product suggests what to do next for your site, rankings, links or AI visibility.
- Task board and AI agent:
- Whether you can track the work in the product and hand tasks to an AI agent that does them, with your approval.
- Scheduled automations:
- Whether the product can run a task or report on a schedule you set, such as a weekly summary.
- EU invoicing and VAT:
- How the company invoices a business in the EU: the currency, and whether VAT is charged or handled by reverse charge with a valid VAT number.
- Headquarters:
- The country of the company's headquarters, as its own website states it.
- Founded:
- The year the company was founded, as its own website states it.
Report an error
If a fact is wrong or out of date, write to hello@serpier.com with the page and the source. We check every report against the company's own website.
Try Serpier yourself
