Your Trusted Insurance Partner
Our Agency has helped thousands of Texas clients find the lowest rates available and the best insurance plans to protect their cars, homes, businesses, and families for decades. Let us do the same for you! Go BIG, Save BIG!
Our Mission: Coverage with Expertise
As a Texas independent agency, we are dedicated to serving you. We represent several leading insurance companies rather than any single provider. Therefore, we have the ability to continually monitor the marketplace and offer you the best possible rates.
Our mission is to provide you the highest level of customer service and dedicate our resources to meet your needs and earn your trust. Our success is based on your continued satisfaction.
Our Story
BIG-Brock Insurance Group, was founded on a simple belief: people deserve clarity, care, and real advocacy when it comes to protecting what matters most.
From day one, we set out to be a neighbor first and an agency second—growing through trust, referrals, and the outcomes we deliver for Texas families and businesses. We have become a trusted partner in Texas.
Our office includes a state-of-the-art computer system for policy services, and a comparative computer rating service. This gives our agents the ability to get rates quickly and to be able to compare each policy coverage with all our carriers to get you the best rate year after year. Our Agency has helped thousands of Texas clients for decades. Let us do the same for YOU!
We serve clients all over Texas with offices in Friendswood and New Braunfels Texas.
Meet Our Team
Mark Brock
Founder
Hello, I'm Mark Brock, founder of BIG-Brock Insurance Group. As a 4th generation agent with over 30 years of experience in the insurance industry, I've dedicated my career to helping families and businesses in Texas overcome their insurance challenges with solutions that offer both security and savings.
Jessica Engesveen
Commercial Lines Account Manager
Elvie Reformina
Commercial Lines – Virtual Assistant
Ruth A Saenz
Personal Lines Account Manager
Brenda Ann Guerra
Servicing all customers policy needs
What Sets Us Apart
Client Commitment
We put our clients first, ensuring that every policy is tailored to fit their needs. Our approach is centered around delivering exceptional service and value, with a focus on long-term relationships.
Security-First Mindset
We protect what you’ve earned before we pursue new growth, ensuring you never build on shaky ground.
Expertise in the Texas Market
With deep roots in Texas, we know the unique challenges and opportunities that the state presents. Our team leverages local knowledge to offer the most relevant insurance solutions.
Fourth Generation Experience Since 1992
Serving Texas families and businesses across generations with seasoned guidance, local advocacy, and proven results since 1992.
Over 100 Carriers—Best Rate for You
We compare 100+ trusted carriers to tailor coverage and value—so you don’t have to shop around.
Technology Focus and Leverage
Fast quotes, secure digital service, and proactive reviews—technology that elevates your client experience.
How We’ve Made a Difference
“We operate 4 companies that have insurance policies through Brock Insurance. They have great and prompt service and calling them for service or advice is a pleasure. They are attentive to our needs and make sure we are up to date with all of our policies.”
“If you are looking for insurance (home, auto and business insurance). I highly recommend that you use Brock Insurance Group! They will shop over 100 insurance carriers to get you the BEST price/coverage with the best customer service. They have saved thousands of customers money on their premiums.”
Ready to protect what matters—with clarity and confidence? Go BIG, Save BIG!
As an independent Texas agency, we compare 100+ trusted carriers and explain your options in plain language—for home, auto, business, and life. Expect quick quotes, proactive reviews, and a local team that advocates for you from quote to claim.