About NLI

35+ years of interpreting expertise. Owner-operated. Madison-based. Serving WI, IL, MN, and IA.

Nexus Lingo Intelligence LLC provides professional interpreting and translation services to school districts, healthcare organizations, businesses, law firms, and public agencies throughout Wisconsin, northern Illinois, and the Chicago metro area — with phone and video interpreting available across Wisconsin, Illinois, Minnesota, and Iowa. We specialize in high-stakes communication where accuracy, professionalism, and cultural understanding matter.

Built on more than 35 years of professional interpreting experience, NLI delivers services in Russian, Spanish, and more than 20 additional languages through a carefully vetted network of qualified interpreters and translators. Each assignment is thoughtfully matched with the interpreter whose language skills, subject-matter expertise, and professional background best meet the client's needs.

As a Wisconsin-based, woman-owned, founder-led company, we are committed to responsive service, long-term partnerships, and exceptional quality.

Download our capability statement (PDF) — a one-page summary of core competencies, differentiators, past performance, and company data for procurement and vendor onboarding.

Note: Nexus Lingo Intelligence LLC is not affiliated with any similarly named companies, including "Nexus Workforce", "Nexus Staffing", or "Nexus Expert Research". We never recruit via unsolicited text messages, never send checks to applicants, and never charge candidates any fees.

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35+ Years Experience

More than three and a half decades of interpreting excellence. Tatiana Sonnikova brings unmatched depth of experience to every client relationship.

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Native Speakers

Interpreters are assigned as native or near-native speakers of the target language, bringing both linguistic fluency and cultural understanding to the setting.

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Certifications & Professional Standards

When the client or applicable regulations require it, NLI assigns certified or credentialed interpreters appropriate for the engagement — including CCHI-certified medical interpreters and Wisconsin court-certified interpreters. Member of the American Translators Association (ATA) and MATI — Midwest Association of Translators and Interpreters.

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Owner-Operated

You work directly with our team, not a call center. Tatiana personally oversees interpreter matching and quality.

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Dual-State Coverage

On-site across Wisconsin, Northern Illinois, and the Chicago metro area; phone and video across Wisconsin, Illinois, Minnesota, and Iowa.

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Flagship Russian & Spanish

Russian and Spanish staffed by our own interpreters. Core coverage adds Ukrainian, Polish, Serbian, Bulgarian, Georgian, and Mandarin — plus 20+ more through our vetted network.

Frequently Asked Questions

Is Nexus Lingo Intelligence affiliated with Nexus Workforce or Nexus Staffing?

No. Nexus Lingo Intelligence LLC is not affiliated with any similarly named companies, including "Nexus Workforce", "Nexus Staffing", or "Nexus Expert Research". NLI is an independent Wisconsin interpreting and translation company based in Madison, WI, organized in February 2026 and owned by Tatiana Sonnikova.

We never recruit via unsolicited text messages, never send checks to applicants, and never charge candidates any fees. Every NLI linguist is engaged through a signed contractor agreement after direct contact with our team. If you received an unsolicited message from a "Nexus" company, it did not come from us. You can verify any communication by emailing info@nexuslingo.com or calling (608) 572-7287.

Are your interpreters certified?

When the client or applicable regulations require it, NLI assigns certified or credentialed interpreters appropriate for the engagement — including CCHI-certified medical interpreters and Wisconsin court-certified interpreters where applicable. Every linguist we assign is vetted, signs a contractor agreement and confidentiality terms, and works under native-speaker quality review. NLI is a member of the American Translators Association (ATA) and MATI — the Midwest Association of Translators and Interpreters.

What areas do you serve?

NLI provides in-person interpreting throughout Wisconsin, Northern Illinois, and the Chicago metro area, and phone and video interpreting across Wisconsin, Illinois, Minnesota, and Iowa.

What Our Clients Say

★★★★★

Tatiana is an excellent interpreter and translator. She is highly professional, dependable, and very easy to communicate with. She is responsive, accessible, and consistently available when interpretation or translation services are needed.

She has provided support with translating written documents, interpreting during standardized assessments, facilitating parent meetings, and handling other complex and challenging translation needs. Her accuracy, professionalism, and ability to navigate sensitive situations make her a valuable resource.

I highly recommend her services as an interpreter and translator.

Shqipe S.School district staff member
★★★★★

Tatiana was hired for us in a very difficult court case where emotions were running high, and she did an outstanding job. She stayed calm, professional, and neutral the entire time, and her interpretation was accurate and clear from start to finish. In a situation where every word mattered, she helped ensure that communication in the courtroom was smooth and precise. Her professionalism made a very stressful process much easier to manage.

AlGoogle review
★★★★★

We hired a Russian speaking interpreter by the name Tatiana though this company to assist with a very stressful situation involving a child with special needs and a very emotional mother. The child had difficulty communicating clearly, and the mother was in tears, trying to explain her concerns while the child was also struggling to express what was happening. She remained calm, professional, and neutral throughout the interaction, helping both sides communicate as clearly as possible. In such a difficult situation, her ability to stay composed and support the conversation was extremely valuable.

In general we liked working with this company, the communication process was very smooth and quick. Thank you!

Vladislava H.Google review

Ready to Break Language Barriers?

Get a free quote today and discover how NLI can help your organization communicate effectively across languages.