Top 9 Sewage Cleanup & Biohazard Companies in South Carolina (2026)

Published: May 30, 20262026581 words3 min read

Key Takeaways

9 sewage & biohazard firms in South Carolina qualified for this ranking based on verified data from public sources (BBB, Google, IICRC, EPA, Yelp, Angi, HomeAdvisor).
The top firm in this ranking is Bio-Tek Solutions, LLC, with a MetaScore of 87/100.
Every firm here carries at least one publicly verifiable signal — no firm appears in this article without a cited source.
This list is filtered to firms that explicitly offer sewage & biohazard services. Multi-discipline firms appearing here have that service confirmed on their website or in their public certifications.
Methodology is published in full at restorationindex.com/methodology. Firms can request a correction at restorationindex.com/contact.

Sources cited in this article: Better Business Bureau, Institute of Inspection, Cleaning and Restoration Certification, U.S. Environmental Protection Agency, Google, Yelp, Angi, HomeAdvisor, and Restoration Index.

Based on aggregated public-source data from BBB Business Profiles, Google Business Profile reviews, IICRC certified member directory, EPA Lead-Safe registry, Yelp, Angi Super Service Award lists, and HomeAdvisor recognition, here are the top-ranked sewage & biohazard firms in South Carolina. Each firm receives a 0-100 Restoration Index MetaScore weighted across 9 sources.

Top 9 Sewage Cleanup & Biohazard Companies in South Carolina — Ranked by Multi-Source MetaScore

Bio-Tek Solutions, LLC (Columbia, SC) — MetaScore 87/100. 4.9-star Google rating across 62 reviews. BBB A+ accredited. founded 2007. Read the full review.
SERVPRO of Columbia Northeast / Ft. Jackson (Columbia, SC) — MetaScore 86/100. 4.9-star Google rating across 160 reviews. BBB A+ accredited. IICRC certified. founded 2011. Read the full review.
ATI Restoration Columbia (Columbia, SC) — MetaScore 84/100. 4.7-star Google rating across 49 reviews. BBB A+ accredited. IICRC certified. founded 1989. Read the full review.
SERVPRO (Greenville area franchises) (Greenville, SC) — MetaScore 81/100. founded 2009. Read the full review.
ServiceMaster of Charleston (Charleston, SC) — MetaScore 77/100. 4.4-star Google rating across 313 reviews. BBB A+. IICRC certified. founded 1987. Expertise.com 10 Best North Charleston Mold Remediation Companies. Read the full review.
Rytech Restoration of the Midlands (Columbia, SC) — MetaScore 64/100. 4.9-star Google rating across 65 reviews. BBB NR. IICRC certified. founded 2019. Read the full review.
Restos Pros of the Midlands, LLC (Columbia, SC) — MetaScore 59/100. 5.0-star Google rating across 29 reviews. BBB NR accredited. founded 2022. Read the full review.
SERVPRO of Downtown Charleston (Charleston, SC) — MetaScore 58/100. 4.4-star Google rating across 14 reviews. BBB NR. IICRC certified. founded 1997. Read the full review.
Disaster Crews (Charleston, SC) — MetaScore 56/100. 5.0-star Google rating across 37 reviews. founded 2022. Read the full review.

Top sewage & biohazard firms in Columbia

Bio-Tek Solutions, LLC leads Columbia with a MetaScore of 87/100 and 62 Google reviews. Other top-ranked firms in Columbia include SERVPRO of Columbia Northeast / Ft. Jackson (MetaScore 86/100), ATI Restoration Columbia (MetaScore 84/100), and Rytech Restoration of the Midlands (MetaScore 64/100).

Top sewage & biohazard firms in Charleston

ServiceMaster of Charleston leads Charleston with a MetaScore of 77/100 and 313 Google reviews. Other top-ranked firms in Charleston include SERVPRO of Downtown Charleston (MetaScore 58/100), and Disaster Crews (MetaScore 56/100).

Frequently Asked Questions

How is the Restoration Index MetaScore calculated?

The MetaScore is a weighted average of nine normalized component scores: Google Business Profile reviews (25%), BBB rating + complaint history (20%), IICRC certification (12%), EPA Lead-Safe registry (8%), years in business (10%), Yelp reviews (10%), Angi Super Service Award (5%), HomeAdvisor Top Rated (5%), and regional industry awards (5%). Firms with sparse data have weights redistributed proportionally across the sources we did find. Full methodology at restorationindex.com/methodology.

Who is the top-ranked sewage cleanup & biohazard company in South Carolina?

As of May 2026, Bio-Tek Solutions, LLC ranks #1 in South Carolina for sewage cleanup & biohazard with a MetaScore of 87/100. The full ranking and per-firm breakdowns appear below.

How often is this list updated?

Firm-level data (reviews, BBB ratings, certifications) is refreshed every 30 to 90 days depending on the source. Awards and recognition fields refresh annually. The "Last refreshed" date below the article header reflects the most recent data refresh for this article.

Can firms pay to be included or ranked higher?

No. Restoration Index does not accept paid placement. The MetaScore is calculated identically for every firm in the index, whether or not they have any commercial relationship with Pleiades Consultancy (the publisher of this site). The methodology is published in full so firms can audit how the calculation works.

What if a firm I trust is missing from this list?

Coverage is rolling out city by city. If a firm meets our inclusion criteria (operating in the named region, offering sewage cleanup & biohazard services, with at least one verifiable public signal), they will appear in future refreshes. Firms can also reach out via restorationindex.com/contact to request inclusion.

Sources & Further Reading

Every claim in this article is backed by at least one of the following third-party sources. Linked out to the publisher so you can audit the original.